SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Biolase, Inc – ‘10-K’ for 12/31/13 – ‘EX-101.PRE’

On:  Monday, 3/17/14, at 4:22pm ET   ·   For:  12/31/13   ·   Accession #:  1564590-14-856   ·   File #:  0-19627

Previous ‘10-K’:  ‘10-K’ on 3/15/13 for 12/31/12   ·   Next:  ‘10-K/A’ on 4/30/14 for 12/31/13   ·   Latest:  ‘10-K’ on 3/21/24 for 12/31/23

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/17/14  Biolase, Inc                      10-K       12/31/13   76:14M                                    ActiveDisclosure/FA

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.28M 
 2: EX-4        Ex-4.4                                              HTML     29K 
 3: EX-10       Ex-10.42                                            HTML     61K 
 4: EX-21       Ex-21.1                                             HTML     21K 
 5: EX-23       Ex-23.1                                             HTML     23K 
 6: EX-31       Ex-31.1                                             HTML     29K 
 7: EX-31       Ex-31.2                                             HTML     29K 
 8: EX-32       Ex-32.1                                             HTML     25K 
 9: EX-32       Ex-32.2                                             HTML     25K 
53: R1          Document and Entity Information                     HTML     53K 
43: R2          Consolidated Balance Sheets                         HTML    144K 
51: R3          Consolidated Balance Sheets (Parenthetical)         HTML     51K 
55: R4          Consolidated Statements Of Operations And           HTML    107K 
                Comprehensive Loss                                               
71: R5          Consolidated Statements Of Shareholders' Equity     HTML    101K 
                (Deficit)                                                        
45: R6          Consolidated Statements Of Cash Flows               HTML    176K 
50: R7          Basis of Presentation                               HTML     55K 
39: R8          Summary of Significant Accounting Policies          HTML    152K 
30: R9          Supplementary Balance Sheet Information             HTML    122K 
72: R10         Intangible Assets and Goodwill                      HTML     92K 
57: R11         Lines of Credit and Other Borrowings                HTML     44K 
56: R12         Income Taxes                                        HTML    190K 
62: R13         Commitments and Contingencies                       HTML     56K 
63: R14         Stockholders' Equity                                HTML    274K 
61: R15         Segment Information                                 HTML     49K 
64: R16         Concentrations                                      HTML     26K 
52: R17         Subsequent Events                                   HTML     38K 
54: R18         Schedule II-Consolidated Valuation and Qualifying   HTML     88K 
                Accounts and Reserves                                            
60: R19         Accounting Policies (Policies)                      HTML    306K 
76: R20         Summary of Significant Accounting Policies          HTML    109K 
                (Tables)                                                         
67: R21         Supplementary Balance Sheet Information (Tables)    HTML    129K 
47: R22         Intangible Assets and Goodwill (Tables)             HTML     83K 
58: R23         Income Taxes (Tables)                               HTML    183K 
49: R24         Commitments and Contingencies (Tables)              HTML     31K 
24: R25         Stockholders' Equity (Tables)                       HTML    229K 
68: R26         Segment Information (Tables)                        HTML     41K 
73: R27         Basis of Presentation - Additional Information      HTML     52K 
                (Detail)                                                         
34: R28         Estimated Useful Lives of Property, Plant and       HTML     28K 
                Equipment (Detail)                                               
33: R29         Changes in Initial Product Warranty Accrual and     HTML     41K 
                Expenses Under Initial and Extended Warranties                   
                (Detail)                                                         
37: R30         Classification of Compensation Expense Associated   HTML     32K 
                with Share-Based Payments (Detail)                               
38: R31         Assumptions Used in Estimating Fair Value of Stock  HTML     35K 
                Options Granted (Detail)                                         
40: R32         Summary of Significant Accounting Policies -        HTML     57K 
                Additional Information (Detail)                                  
22: R33         Components of Accounts Receivable, Net of           HTML     31K 
                Allowance (Detail)                                               
65: R34         Components of Inventory (Detail)                    HTML     34K 
46: R35         Summary of Property, Plant, and Equipment (Detail)  HTML     45K 
48: R36         Components of Accrued Liabilities (Detail)          HTML     51K 
27: R37         Summary of Deferred Revenue (Detail)                HTML     40K 
75: R38         Supplementary Balance Sheet Information -           HTML     48K 
                Additional Information (Detail)                                  
16: R39         Intangible Assets and Related Accumulated           HTML     56K 
                Amortization (Detail)                                            
41: R40         Intangible Assets and Goodwill - Additional         HTML     44K 
                Information (Detail)                                             
70: R41         Lines of Credit and Other Borrowings - Additional   HTML    137K 
                Information (Detail)                                             
26: R42         Summary of Income Tax Current and Deferred          HTML     69K 
                Provision (Benefit) (Detail)                                     
32: R43         Federal Income Tax Provision Compared With          HTML     63K 
                Statutory Rates (Detail)                                         
36: R44         Summary of Net Deferred Tax Assets and Net          HTML     87K 
                Deferred Tax Liabilities (Detail)                                
44: R45         Summary of Unrecognized Tax Benefits (Detail)       HTML     31K 
21: R46         Income Taxes - Additional Information (Detail)      HTML     58K 
29: R47         Commitments and Contingencies - Additional          HTML     41K 
                Information (Detail)                                             
18: R48         Future Minimum Rental Commitments Under Operating   HTML     45K 
                Lease Agreements (Detail)                                        
69: R49         Summary of Option Activity (Detail)                 HTML     81K 
25: R50         Options Outstanding and Exercisable (Detail)        HTML     70K 
66: R51         Cash Proceeds Along with Fair Value Disclosures     HTML     41K 
                Related to Grants Exercises and Vesting Options                  
                (Detail)                                                         
28: R52         Stockholders' Equity - Additional Information       HTML    251K 
                (Detail)                                                         
42: R53         Summary of Net Revenue by Geographic Location       HTML     27K 
                (Detail)                                                         
17: R54         Segment Information - Additional Information        HTML     32K 
                (Detail)                                                         
20: R55         Concentrations - Additional Information (Detail)    HTML     36K 
35: R56         Subsequent Events - Additional Information          HTML     67K 
                (Detail)                                                         
23: R57         Consolidated Valuation and Qualifying Accounts and  HTML     36K 
                Reserves (Detail)                                                
74: XML         IDEA XML File -- Filing Summary                      XML    111K 
19: EXCEL       IDEA Workbook of Financial Reports                  XLSX    190K 
31: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   2.05M 
10: EX-101.INS  XBRL Instance -- biol-20131231                       XML   2.69M 
12: EX-101.CAL  XBRL Calculations -- biol-20131231_cal               XML    200K 
13: EX-101.DEF  XBRL Definitions -- biol-20131231_def                XML   1.08M 
14: EX-101.LAB  XBRL Labels -- biol-20131231_lab                     XML   1.53M 
15: EX-101.PRE  XBRL Presentations -- biol-20131231_pre              XML   1.21M 
11: EX-101.SCH  XBRL Schema -- biol-20131231                         XSD    220K 
59: ZIP         XBRL Zipped Folder -- 0001564590-14-000856-xbrl      Zip    215K 


‘EX-101.PRE’   —   XBRL Presentations — biol-20131231_pre


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" standalone="yes" encoding="windows-1252"?>
<!-- RRD ActiveDisclosure(SM) XBRL Linkbase Document - http://www.financial.rrd.com/ -->
<!-- Creation Date : 2014-03-17T00:56:31.7108279+00:00 -->
<!-- Version : 1.7.0.24 -->
<!-- Package ID : F307B6BCC66C5C64B70C5A59E973AD00-0000811240-001401 -->
<!-- Copyright (c) 2014 R. R. Donnelley & Sons Company. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<roleRef roleURI="http://www.biolase.com/20131231/role/TemplateLink" xlink:href="biol-20131231.xsd#TemplateLink" xlink:type="simple"/>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="biol-20131231.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DocumentDocumentAndEntityInformation">
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:type="locator" xlink:label="dei_EntityPublicFloat"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:type="locator" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:type="locator" xlink:label="dei_EntityFilerCategory"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:type="locator" xlink:label="dei_EntityVoluntaryFilers"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:type="locator" xlink:label="dei_EntityCurrentReportingStatus"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:type="locator" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:type="locator" xlink:label="dei_CurrentFiscalYearEndDate"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalPeriodFocus"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalYearFocus"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationLineItems" xlink:type="locator" xlink:label="dei_DocumentInformationLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntitiesTable" xlink:type="locator" xlink:label="dei_EntitiesTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DocumentDocumentandEntityInformationAbstract" xlink:type="locator" xlink:label="biol_DocumentDocumentandEntityInformationAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DocumentDocumentandEntityInformationAbstract" xlink:to="dei_EntitiesTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntitiesTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntitiesTable" xlink:to="dei_DocumentInformationLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalYearFocus" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalPeriodFocus" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_TradingSymbol" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" order="10560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CurrentFiscalYearEndDate" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityWellKnownSeasonedIssuer" order="10800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCurrentReportingStatus" order="10880.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityVoluntaryFilers" order="10960.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFilerCategory" order="11040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCommonStockSharesOutstanding" order="11120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityPublicFloat" order="11200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedBalanceSheets" xlink:href="biol-20131231.xsd#Role_StatementConsolidatedBalanceSheets" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedBalanceSheets">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:type="locator" xlink:label="us-gaap_StockholdersEquity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockValue" xlink:type="locator" xlink:label="us-gaap_TreasuryStockValue"/>
<loc xlink:href="biol-20131231.xsd#biol_StockholdersEquityExcludingTreasuryStock" xlink:type="locator" xlink:label="biol_StockholdersEquityExcludingTreasuryStock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapital"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:type="locator" xlink:label="us-gaap_CommonStockValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:type="locator" xlink:label="us-gaap_PreferredStockValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingencies"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:type="locator" xlink:label="us-gaap_Liabilities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:type="locator" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_LiabilitiesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:type="locator" xlink:label="us-gaap_CustomerDepositsCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsPayableCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:type="locator" xlink:label="us-gaap_LinesOfCreditCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:type="locator" xlink:label="us-gaap_Assets"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:type="locator" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:type="locator" xlink:label="us-gaap_Goodwill"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="locator" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:type="locator" xlink:label="us-gaap_AssetsCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:type="locator" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:type="locator" xlink:label="us-gaap_InventoryNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsCurrentAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="10290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetsAbstract" order="10360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetsCurrentAbstract" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="10520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="10600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_InventoryNet" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" order="10760.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent" order="10840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="10920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill" order="11000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Goodwill" order="11080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DeferredTaxAssetsNetNoncurrent" order="11160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherAssetsNoncurrent" order="11220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Assets" order="11300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" order="11380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract" order="11460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LinesOfCreditCurrent" order="11540.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_AccountsPayableCurrent" order="11620.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_AccruedLiabilitiesCurrent" order="11700.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_CustomerDepositsCurrent" order="11780.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_DeferredRevenueCurrent" order="11860.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent" order="11940.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DeferredTaxLiabilitiesNoncurrent" order="12020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DeferredRevenueNoncurrent" order="12100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="12180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Liabilities" order="12240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingencies" order="12320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquityAbstract" order="12400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockValue" order="12480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" order="12560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapital" order="12640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="12720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="12800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="biol_StockholdersEquityExcludingTreasuryStock" order="12880.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockValue" order="12960.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquity" order="13040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" order="13120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical" xlink:href="biol-20131231.xsd#Role_StatementConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockShares" xlink:type="locator" xlink:label="us-gaap_TreasuryStockShares"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesAuthorized" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesIssued" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" order="10560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesIssued" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesOutstanding" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockShares" order="10800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" xlink:href="biol-20131231.xsd#Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareDiluted"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareBasic"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:type="locator" xlink:label="us-gaap_NetIncomeLoss"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:type="locator" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:type="locator" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="locator" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:type="locator" xlink:label="us-gaap_OperatingIncomeLoss"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:type="locator" xlink:label="us-gaap_OperatingExpenses"/>
<loc xlink:href="biol-20131231.xsd#biol_ExciseTax" xlink:type="locator" xlink:label="biol_ExciseTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:type="locator" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:type="locator" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:type="locator" xlink:label="us-gaap_SellingAndMarketingExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:type="locator" xlink:label="us-gaap_OperatingExpensesAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:type="locator" xlink:label="us-gaap_GrossProfit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:type="locator" xlink:label="us-gaap_CostOfGoodsSold"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:type="locator" xlink:label="us-gaap_SalesRevenueNet"/>
<loc xlink:href="biol-20131231.xsd#biol_LicenseFeesAndRoyaltyRevenue" xlink:type="locator" xlink:label="biol_LicenseFeesAndRoyaltyRevenue"/>
<loc xlink:href="biol-20131231.xsd#biol_ProductsAndServicesRevenue" xlink:type="locator" xlink:label="biol_ProductsAndServicesRevenue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeStatementAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_StatementTable" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_ProductsAndServicesRevenue" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_LicenseFeesAndRoyaltyRevenue" order="10360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SalesRevenueNet" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CostOfGoodsSold" order="10600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GrossProfit" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" order="10840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_SellingAndMarketingExpense" order="10960.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" order="11080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="11200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="biol_ExciseTax" order="11320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpenses" order="11440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="11560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" order="11680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InterestIncomeExpenseNonoperatingNet" order="11800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NonoperatingIncomeExpense" order="11920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" order="12040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="12160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="12280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" order="12400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" order="12520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax" order="12640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareAbstract" order="12760.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="12880.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="13000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" order="13120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="13240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="13360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfShareholdersEquityDeficit" xlink:href="biol-20131231.xsd#Role_StatementConsolidatedStatementsOfShareholdersEquityDeficit" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfShareholdersEquityDeficit">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:type="locator" xlink:label="us-gaap_SharesIssued_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:type="locator" xlink:label="us-gaap_StockholdersEquity_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:type="locator" xlink:label="us-gaap_NetIncomeLoss"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockDividendsShares" xlink:type="locator" xlink:label="us-gaap_StockDividendsShares"/>
<loc xlink:href="biol-20131231.xsd#biol_StockIssuedDuringPeriodValueWarrantsExercised" xlink:type="locator" xlink:label="biol_StockIssuedDuringPeriodValueWarrantsExercised"/>
<loc xlink:href="biol-20131231.xsd#biol_StockIssuedDuringPeriodSharesPurchaseWarrantsExercised" xlink:type="locator" xlink:label="biol_StockIssuedDuringPeriodSharesPurchaseWarrantsExercised"/>
<loc xlink:href="biol-20131231.xsd#biol_AdjustmentsToAdditionalPaidInCapitalWarrantRepurchased" xlink:type="locator" xlink:label="biol_AdjustmentsToAdditionalPaidInCapitalWarrantRepurchased"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:type="locator" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:type="locator" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<loc xlink:href="biol-20131231.xsd#biol_AdjustmentsToAdditionalPaidInCapitalFairValueOfOtherCompensation" xlink:type="locator" xlink:label="biol_AdjustmentsToAdditionalPaidInCapitalFairValueOfOtherCompensation"/>
<loc xlink:href="biol-20131231.xsd#biol_AdjustmentsToAdditionalPaidInCapitalNonEmployeeEquityInstruments" xlink:type="locator" xlink:label="biol_AdjustmentsToAdditionalPaidInCapitalNonEmployeeEquityInstruments"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:type="locator" xlink:label="us-gaap_SharesIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:type="locator" xlink:label="us-gaap_StockholdersEquity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockMember" xlink:type="locator" xlink:label="us-gaap_TreasuryStockMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember" xlink:type="locator" xlink:label="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_TreasuryStockMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_RetainedEarningsMember" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" order="10690.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" order="10870.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" order="11070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_AdjustmentsToAdditionalPaidInCapitalNonEmployeeEquityInstruments" order="11270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_AdjustmentsToAdditionalPaidInCapitalFairValueOfOtherCompensation" order="11470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="11670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" order="11850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares" order="12050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodValue" order="12230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_AdjustmentsToAdditionalPaidInCapitalWarrantRepurchased" order="12430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_StockIssuedDuringPeriodSharesPurchaseWarrantsExercised" order="12630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_StockIssuedDuringPeriodValueWarrantsExercised" order="12810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockDividendsShares" order="13010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="13190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" order="13370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity_li0l2" order="13550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued_li0l2" order="13810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" order="15370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" xlink:href="biol-20131231.xsd#Role_StatementConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:type="locator" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:type="locator" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:type="locator" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:type="locator" xlink:label="us-gaap_InterestPaid"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="locator" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="locator" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:type="locator" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfWarrants" xlink:type="locator" xlink:label="us-gaap_PaymentsForRepurchaseOfWarrants"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:type="locator" xlink:label="us-gaap_ProceedsFromWarrantExercises"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInCustomerDeposits"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInInventories"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:type="locator" xlink:label="us-gaap_OtherNoncashIncomeExpense"/>
<loc xlink:href="biol-20131231.xsd#biol_OtherEquityInstrumentsCompensation" xlink:type="locator" xlink:label="biol_OtherEquityInstrumentsCompensation"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:type="locator" xlink:label="us-gaap_AmortizationOfFinancingCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:type="locator" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
<loc xlink:href="biol-20131231.xsd#biol_AmortizationOfDiscountsOnLinesOfCredit" xlink:type="locator" xlink:label="biol_AmortizationOfDiscountsOnLinesOfCredit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryWriteDown" xlink:type="locator" xlink:label="us-gaap_InventoryWriteDown"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:type="locator" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:type="locator" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:type="locator" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:type="locator" xlink:label="us-gaap_NetIncomeLoss"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementTable" order="10360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10390.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetIncomeLoss" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="10610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="10730.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" order="10850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ProvisionForDoubtfulAccounts" order="10950.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_InventoryWriteDown" order="11070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="biol_AmortizationOfDiscountsOnLinesOfCredit" order="11190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts" order="11290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AmortizationOfFinancingCosts" order="11370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ShareBasedCompensation" order="11490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="biol_OtherEquityInstrumentsCompensation" order="11610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_OtherNoncashIncomeExpense" order="11730.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" order="11850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInInterestPayableNet" order="11970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" order="12070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable" order="12190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInInventories" order="12310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="12430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInCustomerDeposits" order="12550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="12670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue" order="12790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="12910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="13030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="13150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromSaleOfProductiveAssets" order="13270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireIntangibleAssets" order="13350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="13450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" order="13570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromLinesOfCredit" order="13690.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLinesOfCredit" order="13790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLongTermDebt" order="13890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts" order="13970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromWarrantExercises" order="14070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfWarrants" order="14170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="14250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock" order="14350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="14450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="14570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" order="14690.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" order="14810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="14930.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_li0l2" order="15030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract" order="15090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_InterestPaid" order="15210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_IncomeTaxesPaidNet" order="15330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NoncashInvestingAndFinancingItemsAbstract" order="15450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" order="15570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureBasisOfPresentation" xlink:href="biol-20131231.xsd#Role_DisclosureBasisOfPresentation" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureBasisOfPresentation">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:type="locator" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformation" xlink:href="biol-20131231.xsd#Role_DisclosureSupplementaryBalanceSheetInformation" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformation">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:type="locator" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwill" xlink:href="biol-20131231.xsd#Role_DisclosureIntangibleAssetsAndGoodwill" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwill">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureLinesOfCreditAndOtherBorrowings" xlink:href="biol-20131231.xsd#Role_DisclosureLinesOfCreditAndOtherBorrowings" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureLinesOfCreditAndOtherBorrowings">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DebtDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxes" xlink:href="biol-20131231.xsd#Role_DisclosureIncomeTaxes" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxes">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingencies" xlink:href="biol-20131231.xsd#Role_DisclosureCommitmentsAndContingencies" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingencies">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquity" xlink:href="biol-20131231.xsd#Role_DisclosureStockholdersEquity" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquity">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformation" xlink:href="biol-20131231.xsd#Role_DisclosureSegmentInformation" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformation">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureConcentrations" xlink:href="biol-20131231.xsd#Role_DisclosureConcentrations" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureConcentrations">
<loc xlink:href="biol-20131231.xsd#biol_ConcentrationsTextBlock" xlink:type="locator" xlink:label="biol_ConcentrationsTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_ConcentrationsTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSubsequentEvents" xlink:href="biol-20131231.xsd#Role_DisclosureSubsequentEvents" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSubsequentEvents">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:type="locator" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SubsequentEventsTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureScheduleIIConsolidatedValuationAndQualifyingAccountsAndReserves" xlink:href="biol-20131231.xsd#Role_DisclosureScheduleIIConsolidatedValuationAndQualifyingAccountsAndReserves" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureScheduleIIConsolidatedValuationAndQualifyingAccountsAndReserves">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureAccountingPoliciesPolicies" xlink:href="biol-20131231.xsd#Role_DisclosureAccountingPoliciesPolicies" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureAccountingPoliciesPolicies">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
<loc xlink:href="biol-20131231.xsd#biol_NewAccountingStandardsNotYetAdoptedPolicyTextBlock" xlink:type="locator" xlink:label="biol_NewAccountingStandardsNotYetAdoptedPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<loc xlink:href="biol-20131231.xsd#biol_RecentAccountingPronouncementsPolicyTextBLock" xlink:type="locator" xlink:label="biol_RecentAccountingPronouncementsPolicyTextBLock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
<loc xlink:href="biol-20131231.xsd#biol_ExciseTaxesPolicyTextBlock" xlink:type="locator" xlink:label="biol_ExciseTaxesPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
<loc xlink:href="biol-20131231.xsd#biol_EngineeringAndDevelopmentCostsPolicyTextBlock" xlink:type="locator" xlink:label="biol_EngineeringAndDevelopmentCostsPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShippingAndHandlingCostPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ShippingAndHandlingCostPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StandardProductWarrantyPolicy" xlink:type="locator" xlink:label="us-gaap_StandardProductWarrantyPolicy"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_InventoryPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ReceivablesPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiquidityDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_LiquidityDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskCreditRisk"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="locator" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:type="locator" xlink:label="us-gaap_UseOfEstimates"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ConsolidationPolicyTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ConsolidationPolicyTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_UseOfEstimates" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ConcentrationRiskCreditRisk" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiquidityDisclosureTextBlock" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" order="10560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ReceivablesPolicyTextBlock" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InventoryPolicyTextBlock" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" order="10800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy" order="10880.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" order="10960.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" order="11040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" order="11120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock" order="11200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StandardProductWarrantyPolicy" order="11280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShippingAndHandlingCostPolicyTextBlock" order="11360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdvertisingCostsPolicyTextBlock" order="11440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_EngineeringAndDevelopmentCostsPolicyTextBlock" order="11520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" order="11600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_ExciseTaxesPolicyTextBlock" order="11680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxPolicyTextBlock" order="11760.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock" order="11840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_RecentAccountingPronouncementsPolicyTextBLock" order="11920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" order="12000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_NewAccountingStandardsNotYetAdoptedPolicyTextBlock" order="12080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" order="12160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" order="12240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentUsefulLifeTableTextBlock" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentUsefulLifeTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_PropertyPlantAndEquipmentUsefulLifeTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformationTables" xlink:href="biol-20131231.xsd#Role_DisclosureSupplementaryBalanceSheetInformationTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformationTables">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueByArrangementDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwillTables" xlink:href="biol-20131231.xsd#Role_DisclosureIntangibleAssetsAndGoodwillTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwillTables">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxesTables" xlink:href="biol-20131231.xsd#Role_DisclosureIncomeTaxesTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxesTables">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:type="locator" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingenciesTables" xlink:href="biol-20131231.xsd#Role_DisclosureCommitmentsAndContingenciesTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingenciesTables">
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfFutureMinimumLeaseIncomeUnderNoncancelableOperatingLeasesTableTextBlock" xlink:type="locator" xlink:label="biol_ScheduleOfFutureMinimumLeaseIncomeUnderNoncancelableOperatingLeasesTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_ScheduleOfFutureMinimumLeaseIncomeUnderNoncancelableOperatingLeasesTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquityTables" xlink:href="biol-20131231.xsd#Role_DisclosureStockholdersEquityTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquityTables">
<loc xlink:href="biol-20131231.xsd#biol_CashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsTableTextBlock" xlink:type="locator" xlink:label="biol_CashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsTableTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="biol_CashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsTableTextBlock" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformationTables" xlink:href="biol-20131231.xsd#Role_DisclosureSegmentInformationTables" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformationTables">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureBasisOfPresentationAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureBasisOfPresentationAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureBasisOfPresentationAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:type="locator" xlink:label="us-gaap_LaborAndRelatedExpense"/>
<loc xlink:href="biol-20131231.xsd#biol_ProposedMaximumAggregateOfferingPrice" xlink:type="locator" xlink:label="biol_ProposedMaximumAggregateOfferingPrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_NumberRevolvingCreditFacilityAgreements" xlink:type="locator" xlink:label="biol_NumberRevolvingCreditFacilityAgreements"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:href="biol-20131231.xsd#biol_WorkingCapital" xlink:type="locator" xlink:label="biol_WorkingCapital"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskPercentage1"/>
<loc xlink:href="biol-20131231.xsd#biol_BasisOfPresentationLineItems" xlink:type="locator" xlink:label="biol_BasisOfPresentationLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_BasisOfPresentationTable" xlink:type="locator" xlink:label="biol_BasisOfPresentationTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:type="locator" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="biol_BasisOfPresentationTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="biol_BasisOfPresentationLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_WorkingCapital" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" order="10340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_NumberRevolvingCreditFacilityAgreements" order="10380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="10450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_ProposedMaximumAggregateOfferingPrice" order="10530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_LaborAndRelatedExpense" order="10630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="10780.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureEstimatedUsefulLivesOfPropertyPlantAndEquipmentDetail" xlink:href="biol-20131231.xsd#Role_DisclosureEstimatedUsefulLivesOfPropertyPlantAndEquipmentDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureEstimatedUsefulLivesOfPropertyPlantAndEquipmentDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentDisclosureLineItems" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentDisclosureLineItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:type="locator" xlink:label="us-gaap_MaximumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:type="locator" xlink:label="us-gaap_FurnitureAndFixturesMember"/>
<loc xlink:href="biol-20131231.xsd#biol_EquipmentAndOtherRelatedMember" xlink:type="locator" xlink:label="biol_EquipmentAndOtherRelatedMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:type="locator" xlink:label="us-gaap_LeaseholdImprovementsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingMember" xlink:type="locator" xlink:label="us-gaap_BuildingMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentDisclosureTable" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentDisclosureTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="biol_PropertyPlantAndEquipmentDisclosureTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_BuildingMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LeaseholdImprovementsMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="biol_EquipmentAndOtherRelatedMember" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_FurnitureAndFixturesMember" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="us-gaap_RangeAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="biol_PropertyPlantAndEquipmentDisclosureLineItems" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" order="10340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureChangesInInitialProductWarrantyAccrualAndExpensesUnderInitialAndExtendedWarrantiesDetail" xlink:href="biol-20131231.xsd#Role_DisclosureChangesInInitialProductWarrantyAccrualAndExpensesUnderInitialAndExtendedWarrantiesDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureChangesInInitialProductWarrantyAccrualAndExpensesUnderInitialAndExtendedWarrantiesDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:type="locator" xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrualNoncurrent" xlink:type="locator" xlink:label="us-gaap_ProductWarrantyAccrualNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:type="locator" xlink:label="us-gaap_StandardProductWarrantyAccrual_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyExpense" xlink:type="locator" xlink:label="us-gaap_ProductWarrantyExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StandardProductWarrantyAccrualWarrantiesIssued" xlink:type="locator" xlink:label="us-gaap_StandardProductWarrantyAccrualWarrantiesIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:type="locator" xlink:label="us-gaap_StandardProductWarrantyAccrual"/>
<loc xlink:href="biol-20131231.xsd#biol_AccruedLiabilitiesLineItems" xlink:type="locator" xlink:label="biol_AccruedLiabilitiesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_AccruedLiabilitiesTable" xlink:type="locator" xlink:label="biol_AccruedLiabilitiesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:type="locator" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="biol_AccruedLiabilitiesTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="biol_AccruedLiabilitiesLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_StandardProductWarrantyAccrual" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_StandardProductWarrantyAccrualWarrantiesIssued" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_ProductWarrantyExpense" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_StandardProductWarrantyAccrual_li0l2" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_ProductWarrantyAccrualNoncurrent" order="10520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="us-gaap_ProductWarrantyAccrualClassifiedCurrent" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureClassificationOfCompensationExpenseAssociatedWithShareBasedPaymentsDetail" xlink:href="biol-20131231.xsd#Role_DisclosureClassificationOfCompensationExpenseAssociatedWithShareBasedPaymentsDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureClassificationOfCompensationExpenseAssociatedWithShareBasedPaymentsDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_EngineeringAndDevelopmentMember" xlink:type="locator" xlink:label="biol_EngineeringAndDevelopmentMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:type="locator" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
<loc xlink:href="biol-20131231.xsd#biol_SalesAndMarketingMember" xlink:type="locator" xlink:label="biol_SalesAndMarketingMember"/>
<loc xlink:href="biol-20131231.xsd#biol_CostOfRevenueMember" xlink:type="locator" xlink:label="biol_CostOfRevenueMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TypeOfDeferredCompensationDomain" xlink:type="locator" xlink:label="us-gaap_TypeOfDeferredCompensationDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:type="locator" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:to="us-gaap_TypeOfDeferredCompensationDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="biol_CostOfRevenueMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="biol_SalesAndMarketingMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="biol_EngineeringAndDevelopmentMember" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureAssumptionsUsedInEstimatingFairValueOfStockOptionsGrantedDetail" xlink:href="biol-20131231.xsd#Role_DisclosureAssumptionsUsedInEstimatingFairValueOfStockOptionsGrantedDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureAssumptionsUsedInEstimatingFairValueOfStockOptionsGrantedDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividend" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividend"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividend" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationNetImpactOnEarningPerShareDiluted" xlink:type="locator" xlink:label="biol_ShareBasedCompensationNetImpactOnEarningPerShareDiluted"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvertisingExpense" xlink:type="locator" xlink:label="us-gaap_AdvertisingExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LicensesRevenue" xlink:type="locator" xlink:label="us-gaap_LicensesRevenue"/>
<loc xlink:href="biol-20131231.xsd#biol_UndeliveredElementsExtendedWarranty" xlink:type="locator" xlink:label="biol_UndeliveredElementsExtendedWarranty"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesReturnsAndAllowancesGoods" xlink:type="locator" xlink:label="us-gaap_SalesReturnsAndAllowancesGoods"/>
<loc xlink:href="biol-20131231.xsd#biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices" xlink:type="locator" xlink:label="biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:type="locator" xlink:label="us-gaap_Depreciation"/>
<loc xlink:href="biol-20131231.xsd#biol_AccountingPoliciesLineItems" xlink:type="locator" xlink:label="biol_AccountingPoliciesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_AccountingPoliciesTable" xlink:type="locator" xlink:label="biol_AccountingPoliciesTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:type="locator" xlink:label="biol_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:to="biol_AccountingPoliciesTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesTable" xlink:to="biol_AccountingPoliciesLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_Depreciation" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_SalesReturnsAndAllowancesGoods" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="biol_UndeliveredElementsExtendedWarranty" order="10540.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_LicensesRevenue" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_AdvertisingExpense" order="10860.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense" order="11040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="biol_ShareBasedCompensationNetImpactOnEarningPerShareDiluted" order="11100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" order="11280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" order="11380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountingPoliciesLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="11520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfAccountsReceivableNetOfAllowanceDetail" xlink:href="biol-20131231.xsd#Role_DisclosureComponentsOfAccountsReceivableNetOfAllowanceDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfAccountsReceivableNetOfAllowanceDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:type="locator" xlink:label="us-gaap_OtherReceivablesNetCurrent"/>
<loc xlink:href="biol-20131231.xsd#biol_RoyaltyRevenuesReceivable" xlink:type="locator" xlink:label="biol_RoyaltyRevenuesReceivable"/>
<loc xlink:href="biol-20131231.xsd#biol_TradeAccountsReceivables" xlink:type="locator" xlink:label="biol_TradeAccountsReceivables"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetCurrentAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfInventoryLineItems" xlink:type="locator" xlink:label="biol_ScheduleOfInventoryLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfInventoryTable" xlink:type="locator" xlink:label="biol_ScheduleOfInventoryTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_InventoryDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InventoryDisclosureAbstract" xlink:to="biol_ScheduleOfInventoryTable" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="dei_LegalEntityAxis" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="biol_ScheduleOfInventoryLineItems" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryLineItems" xlink:to="us-gaap_AccountsReceivableNetCurrentAbstract" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsReceivableNetCurrentAbstract" xlink:to="biol_TradeAccountsReceivables" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsReceivableNetCurrentAbstract" xlink:to="biol_RoyaltyRevenuesReceivable" order="10270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsReceivableNetCurrentAbstract" xlink:to="us-gaap_OtherReceivablesNetCurrent" order="10350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountsReceivableNetCurrentAbstract" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfInventoryDetail" xlink:href="biol-20131231.xsd#Role_DisclosureComponentsOfInventoryDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfInventoryDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:type="locator" xlink:label="us-gaap_InventoryNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:type="locator" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:type="locator" xlink:label="us-gaap_InventoryWorkInProcess"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:type="locator" xlink:label="us-gaap_InventoryRawMaterials"/>
<loc xlink:href="biol-20131231.xsd#biol_ComponentsOfInventoryAbstract" xlink:type="locator" xlink:label="biol_ComponentsOfInventoryAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfInventoryLineItems" xlink:type="locator" xlink:label="biol_ScheduleOfInventoryLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfInventoryTable" xlink:type="locator" xlink:label="biol_ScheduleOfInventoryTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_InventoryDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InventoryDisclosureAbstract" xlink:to="biol_ScheduleOfInventoryTable" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="dei_LegalEntityAxis" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="biol_ScheduleOfInventoryLineItems" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryLineItems" xlink:to="biol_ComponentsOfInventoryAbstract" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfInventoryAbstract" xlink:to="us-gaap_InventoryRawMaterials" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfInventoryAbstract" xlink:to="us-gaap_InventoryWorkInProcess" order="10270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfInventoryAbstract" xlink:to="us-gaap_InventoryFinishedGoodsNetOfReserves" order="10350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfInventoryAbstract" xlink:to="us-gaap_InventoryNet" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfPropertyPlantAndEquipmentDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfPropertyPlantAndEquipmentDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfPropertyPlantAndEquipmentDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Land" xlink:type="locator" xlink:label="us-gaap_Land"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentNetExcludingLand" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentNetExcludingLand"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentGrossExcludingLand" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentGrossExcludingLand"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
<loc xlink:href="biol-20131231.xsd#biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:type="locator" xlink:label="biol_ComponentsOfPropertyPlantAndEquipmentAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentDisclosureLineItems" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentDisclosureLineItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:type="locator" xlink:label="us-gaap_ConstructionInProgressMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:type="locator" xlink:label="us-gaap_FurnitureAndFixturesMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:type="locator" xlink:label="us-gaap_ComputerEquipmentMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:type="locator" xlink:label="us-gaap_LeaseholdImprovementsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingMember" xlink:type="locator" xlink:label="us-gaap_BuildingMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_PropertyPlantAndEquipmentDisclosureTable" xlink:type="locator" xlink:label="biol_PropertyPlantAndEquipmentDisclosureTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="biol_PropertyPlantAndEquipmentDisclosureTable" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="dei_LegalEntityAxis" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10060.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_BuildingMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LeaseholdImprovementsMember" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_ComputerEquipmentMember" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_FurnitureAndFixturesMember" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_ConstructionInProgressMember" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureTable" xlink:to="biol_PropertyPlantAndEquipmentDisclosureLineItems" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_PropertyPlantAndEquipmentDisclosureLineItems" xlink:to="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="biol_PropertyPlantAndEquipmentGrossExcludingLand" order="10730.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="10810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="biol_PropertyPlantAndEquipmentNetExcludingLand" order="10890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_Land" order="10970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="11050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfAccruedLiabilitiesDetail" xlink:href="biol-20131231.xsd#Role_DisclosureComponentsOfAccruedLiabilitiesDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureComponentsOfAccruedLiabilitiesDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedInsuranceCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedInsuranceCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedProfessionalFeesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesAndExciseTaxPayableCurrent" xlink:type="locator" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:type="locator" xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_AccruedLiabilitiesCurrentAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfAccruedLiabilitiesLineItems" xlink:type="locator" xlink:label="biol_ScheduleOfAccruedLiabilitiesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfAccruedLiabilitiesTable" xlink:type="locator" xlink:label="biol_ScheduleOfAccruedLiabilitiesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:type="locator" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="biol_ScheduleOfAccruedLiabilitiesTable" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfAccruedLiabilitiesTable" xlink:to="dei_LegalEntityAxis" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfAccruedLiabilitiesTable" xlink:to="biol_ScheduleOfAccruedLiabilitiesLineItems" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="us-gaap_AccruedLiabilitiesCurrentAbstract" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_ProductWarrantyAccrualClassifiedCurrent" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_SalesAndExciseTaxPayableCurrent" order="10340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_AccruedProfessionalFeesCurrent" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_AccruedInsuranceCurrent" order="10500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent" order="10580.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_AccruedLiabilitiesCurrent" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfDeferredRevenueDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfDeferredRevenueDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfDeferredRevenueDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueCurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueNoncurrent"/>
<loc xlink:href="biol-20131231.xsd#biol_UndeliveredElementsExtendedWarrantyNoncurrent" xlink:type="locator" xlink:label="biol_UndeliveredElementsExtendedWarrantyNoncurrent"/>
<loc xlink:href="biol-20131231.xsd#biol_LongTermAmountsAbstract" xlink:type="locator" xlink:label="biol_LongTermAmountsAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenue" xlink:type="locator" xlink:label="us-gaap_DeferredRevenue"/>
<loc xlink:href="biol-20131231.xsd#biol_UndeliveredElementsExtendedWarrantyCurrent" xlink:type="locator" xlink:label="biol_UndeliveredElementsExtendedWarrantyCurrent"/>
<loc xlink:href="biol-20131231.xsd#biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices" xlink:type="locator" xlink:label="biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueAbstract" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueArrangementLineItems" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueArrangementLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueArrangementByTypeTable" xlink:type="locator" xlink:label="us-gaap_DeferredRevenueArrangementByTypeTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:type="locator" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="us-gaap_DeferredRevenueArrangementByTypeTable" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueArrangementByTypeTable" xlink:to="dei_LegalEntityAxis" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueArrangementByTypeTable" xlink:to="us-gaap_DeferredRevenueArrangementLineItems" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueArrangementLineItems" xlink:to="us-gaap_DeferredRevenueAbstract" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueAbstract" xlink:to="biol_UndeliveredElementsTrainingInstallationAndProductAndSupportServices" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueAbstract" xlink:to="biol_UndeliveredElementsExtendedWarrantyCurrent" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueAbstract" xlink:to="us-gaap_DeferredRevenue" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredRevenueArrangementLineItems" xlink:to="biol_LongTermAmountsAbstract" order="10390.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_LongTermAmountsAbstract" xlink:to="biol_UndeliveredElementsExtendedWarrantyNoncurrent" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_LongTermAmountsAbstract" xlink:to="us-gaap_DeferredRevenueNoncurrent" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_LongTermAmountsAbstract" xlink:to="us-gaap_DeferredRevenueCurrent" order="10590.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformationAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSupplementaryBalanceSheetInformationAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSupplementaryBalanceSheetInformationAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:type="locator" xlink:label="us-gaap_AssetImpairmentCharges"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongLivedAssetsHeldForSaleGainLossOnSale" xlink:type="locator" xlink:label="us-gaap_LongLivedAssetsHeldForSaleGainLossOnSale"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale" xlink:type="locator" xlink:label="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleLongLived" xlink:type="locator" xlink:label="us-gaap_AssetsHeldForSaleLongLived"/>
<loc xlink:href="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd#country_DE" xlink:type="locator" xlink:label="country_DE"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:type="locator" xlink:label="us-gaap_SegmentGeographicalDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:type="locator" xlink:label="us-gaap_StatementGeographicalAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:type="locator" xlink:label="us-gaap_LandAndBuildingMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:type="locator" xlink:label="us-gaap_InventoryValuationReserves"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesReturnsAndAllowancesGoods" xlink:type="locator" xlink:label="us-gaap_SalesReturnsAndAllowancesGoods"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
<loc xlink:href="biol-20131231.xsd#biol_AccountsAndOtherReceivablesLineItems" xlink:type="locator" xlink:label="biol_AccountsAndOtherReceivablesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfInventoryTable" xlink:type="locator" xlink:label="biol_ScheduleOfInventoryTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_InventoryDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InventoryDisclosureAbstract" xlink:to="biol_ScheduleOfInventoryTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="biol_AccountsAndOtherReceivablesLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivable" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_SalesReturnsAndAllowancesGoods" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_InventoryValuationReserves" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LandAndBuildingMember" order="10390.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfInventoryTable" xlink:to="us-gaap_StatementGeographicalAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_DE" order="10460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_AssetsHeldForSaleLongLived" order="10540.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale" order="10600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_LongLivedAssetsHeldForSaleGainLossOnSale" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccountsAndOtherReceivablesLineItems" xlink:to="us-gaap_AssetImpairmentCharges" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndRelatedAccumulatedAmortizationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureIntangibleAssetsAndRelatedAccumulatedAmortizationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndRelatedAccumulatedAmortizationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:type="locator" xlink:label="us-gaap_Goodwill"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillGross" xlink:type="locator" xlink:label="us-gaap_GoodwillGross"/>
<loc xlink:href="biol-20131231.xsd#biol_IndefiniteLivedIntangibleAssetsUsefulLife" xlink:type="locator" xlink:label="biol_IndefiniteLivedIntangibleAssetsUsefulLife"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:type="locator" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGrossAbstract" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGrossAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_IntangibleAssetsAndGoodwillLineItems" xlink:type="locator" xlink:label="biol_IntangibleAssetsAndGoodwillLineItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:type="locator" xlink:label="us-gaap_MaximumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:type="locator" xlink:label="us-gaap_OtherIntangibleAssetsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TrademarksMember" xlink:type="locator" xlink:label="us-gaap_TrademarksMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PatentsMember" xlink:type="locator" xlink:label="us-gaap_PatentsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="locator" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract" xlink:type="locator" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_PatentsMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_TrademarksMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_OtherIntangibleAssetsMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_RangeAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="biol_IntangibleAssetsAndGoodwillLineItems" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGrossAbstract" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife" order="10520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" order="11040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" order="11260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" order="11480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" order="11700.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="biol_IndefiniteLivedIntangibleAssetsUsefulLife" order="13220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_GoodwillGross" order="13420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillLineItems" xlink:to="us-gaap_Goodwill" order="13620.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwillAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureIntangibleAssetsAndGoodwillAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIntangibleAssetsAndGoodwillAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:type="locator" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:type="locator" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquired" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAcquired"/>
<loc xlink:href="biol-20131231.xsd#biol_FormerDistributorInIndiaMember" xlink:type="locator" xlink:label="biol_FormerDistributorInIndiaMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:type="locator" xlink:label="us-gaap_AmortizationOfIntangibleAssets"/>
<loc xlink:href="biol-20131231.xsd#biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:type="locator" xlink:label="biol_IntangibleAssetsGrossExcludingGoodwillLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_IntangibleAssetsAndGoodwillTable" xlink:type="locator" xlink:label="biol_IntangibleAssetsAndGoodwillTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="biol_IntangibleAssetsAndGoodwillTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillTable" xlink:to="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_AmortizationOfIntangibleAssets" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsAndGoodwillTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="biol_FormerDistributorInIndiaMember" order="10570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAcquired" order="10770.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" order="10830.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IntangibleAssetsGrossExcludingGoodwillLineItems" xlink:to="us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" order="10890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureLinesOfCreditAndOtherBorrowingsAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureLinesOfCreditAndOtherBorrowingsAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureLinesOfCreditAndOtherBorrowingsAdditionalInformationDetail">
<loc xlink:href="biol-20131231.xsd#biol_FinancedInsurancePremiumFinanceCharge" xlink:type="locator" xlink:label="biol_FinancedInsurancePremiumFinanceCharge"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseOther" xlink:type="locator" xlink:label="us-gaap_InterestExpenseOther"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermDebtDescription" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtDescription"/>
<loc xlink:href="biol-20131231.xsd#biol_FinancedInsurancePremiumPayable" xlink:type="locator" xlink:label="biol_FinancedInsurancePremiumPayable"/>
<loc xlink:href="biol-20131231.xsd#biol_LoanAndSecurityAgreementMember" xlink:type="locator" xlink:label="biol_LoanAndSecurityAgreementMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:type="locator" xlink:label="us-gaap_SharesIssued"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesIssued1" xlink:type="locator" xlink:label="us-gaap_NotesIssued1"/>
<loc xlink:href="biol-20131231.xsd#biol_NumberOfSecuredPromissoryNotesIssued" xlink:type="locator" xlink:label="biol_NumberOfSecuredPromissoryNotesIssued"/>
<loc xlink:href="biol-20131231.xsd#biol_MidcapFinancialLlcAndSiliconValleyBankMember" xlink:type="locator" xlink:label="biol_MidcapFinancialLlcAndSiliconValleyBankMember"/>
<loc xlink:href="biol-20131231.xsd#biol_NovemberTwoZeroOneThreeComericaWarrantMember" xlink:type="locator" xlink:label="biol_NovemberTwoZeroOneThreeComericaWarrantMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssumptionsRiskFreeInterestRate" xlink:type="locator" xlink:label="us-gaap_FairValueAssumptionsRiskFreeInterestRate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssumptionsExpectedDividendPayments" xlink:type="locator" xlink:label="us-gaap_FairValueAssumptionsExpectedDividendPayments"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssumptionsExpectedVolatilityRate" xlink:type="locator" xlink:label="us-gaap_FairValueAssumptionsExpectedVolatilityRate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssumptionsExpectedTerm" xlink:type="locator" xlink:label="us-gaap_FairValueAssumptionsExpectedTerm"/>
<loc xlink:href="biol-20131231.xsd#biol_SeptemberTwoZeroOneThreeComericaWarrantMember" xlink:type="locator" xlink:label="biol_SeptemberTwoZeroOneThreeComericaWarrantMember"/>
<loc xlink:href="biol-20131231.xsd#biol_StockIssuedDueToWarrantExercise" xlink:type="locator" xlink:label="biol_StockIssuedDueToWarrantExercise"/>
<loc xlink:href="biol-20131231.xsd#biol_FairValueOfWarrants" xlink:type="locator" xlink:label="biol_FairValueOfWarrants"/>
<loc xlink:href="biol-20131231.xsd#biol_NumberOfWarrantsExercised" xlink:type="locator" xlink:label="biol_NumberOfWarrantsExercised"/>
<loc xlink:href="biol-20131231.xsd#biol_ClassOfWarrantOrRightDateFromUpToWhichWarrantsOrRightsExercisable" xlink:type="locator" xlink:label="biol_ClassOfWarrantOrRightDateFromUpToWhichWarrantsOrRightsExercisable"/>
<loc xlink:href="biol-20131231.xsd#biol_ExercisePriceOfWarrantsReduced" xlink:type="locator" xlink:label="biol_ExercisePriceOfWarrantsReduced"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
<loc xlink:href="biol-20131231.xsd#biol_TwoZeroOneTwoComericaWarrantMember" xlink:type="locator" xlink:label="biol_TwoZeroOneTwoComericaWarrantMember"/>
<loc xlink:href="biol-20131231.xsd#biol_AdditionalCommitmentFeesAndLegalCostsIncurred" xlink:type="locator" xlink:label="biol_AdditionalCommitmentFeesAndLegalCostsIncurred"/>
<loc xlink:href="biol-20131231.xsd#biol_LineOfCreditFacilityAggregateCommitmentFeeAmount" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityAggregateCommitmentFeeAmount"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_DebtIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:type="locator" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:type="locator" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseBorrowings" xlink:type="locator" xlink:label="us-gaap_InterestExpenseBorrowings"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<loc xlink:href="biol-20131231.xsd#biol_PrimeFloor" xlink:type="locator" xlink:label="biol_PrimeFloor"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditMember" xlink:type="locator" xlink:label="us-gaap_LineOfCreditMember"/>
<loc xlink:href="biol-20131231.xsd#biol_PrimeRateMember" xlink:type="locator" xlink:label="biol_PrimeRateMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ComericaBankMember" xlink:type="locator" xlink:label="biol_ComericaBankMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_ExImRevolverMember" xlink:type="locator" xlink:label="biol_ExImRevolverMember"/>
<loc xlink:href="biol-20131231.xsd#biol_DomesticRevolverCreditFacilityMember" xlink:type="locator" xlink:label="biol_DomesticRevolverCreditFacilityMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:type="locator" xlink:label="us-gaap_RelatedPartyDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LineOfCreditFacilityTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="biol_DomesticRevolverCreditFacilityMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="biol_ExImRevolverMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityLineItems" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityAmountOutstanding" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityAxis" xlink:to="us-gaap_LineOfCreditFacilityLenderDomain" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_ComericaBankMember" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10020.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="10690.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="10710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_DebtInstrumentAxis" order="10020.08" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" order="10830.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_PrimeRateMember" order="10850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_LineOfCreditMember" order="10910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate" order="10990.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_PrimeFloor" order="11150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" order="11230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_InterestExpenseBorrowings" order="11310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" order="11410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_AmortizationOfDebtDiscountPremium" order="11510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_InterestPayableCurrentAndNoncurrent" order="11610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtIssuanceCosts" order="11710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeeAmount" order="11910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_LineOfCreditFacilityAggregateCommitmentFeeAmount" order="11950.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_AdditionalCommitmentFeesAndLegalCostsIncurred" order="11990.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_TwoZeroOneTwoComericaWarrantMember" order="12080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" order="12260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" order="12300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_ExercisePriceOfWarrantsReduced" order="12340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_ClassOfWarrantOrRightDateFromUpToWhichWarrantsOrRightsExercisable" order="12380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_NumberOfWarrantsExercised" order="12420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_FairValueOfWarrants" order="12460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_StockIssuedDueToWarrantExercise" order="12500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_SeptemberTwoZeroOneThreeComericaWarrantMember" order="12590.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_FairValueAssumptionsExpectedTerm" order="12970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_FairValueAssumptionsExpectedVolatilityRate" order="13030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_FairValueAssumptionsExpectedDividendPayments" order="13090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_FairValueAssumptionsRiskFreeInterestRate" order="13150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_NovemberTwoZeroOneThreeComericaWarrantMember" order="13320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_MidcapFinancialLlcAndSiliconValleyBankMember" order="14050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_NumberOfSecuredPromissoryNotesIssued" order="14230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_NotesIssued1" order="14290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage" order="14350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_RepaymentsOfLinesOfCredit" order="14780.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_SharesIssued" order="14840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_LoanAndSecurityAgreementMember" order="14950.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_FinancedInsurancePremiumPayable" order="15110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_ShortTermDebtDescription" order="15210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_InterestExpenseOther" order="15290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="biol_FinancedInsurancePremiumFinanceCharge" order="15410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfIncomeTaxCurrentAndDeferredProvisionBenefitDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfIncomeTaxCurrentAndDeferredProvisionBenefitDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfIncomeTaxCurrentAndDeferredProvisionBenefitDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
<loc xlink:href="biol-20131231.xsd#biol_ProvisionForIncomeTaxesLineItems" xlink:type="locator" xlink:label="biol_ProvisionForIncomeTaxesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ProvisionForIncomeTaxesTable" xlink:type="locator" xlink:label="biol_ProvisionForIncomeTaxesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="biol_ProvisionForIncomeTaxesTable" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ProvisionForIncomeTaxesTable" xlink:to="dei_LegalEntityAxis" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ProvisionForIncomeTaxesTable" xlink:to="biol_ProvisionForIncomeTaxesLineItems" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ProvisionForIncomeTaxesLineItems" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" order="10360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit" order="10600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ProvisionForIncomeTaxesLineItems" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" order="10840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" order="10960.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" order="11080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" order="11200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="11260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureFederalIncomeTaxProvisionComparedWithStatutoryRatesDetail" xlink:href="biol-20131231.xsd#Role_DisclosureFederalIncomeTaxProvisionComparedWithStatutoryRatesDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureFederalIncomeTaxProvisionComparedWithStatutoryRatesDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
<loc xlink:href="biol-20131231.xsd#biol_EffectiveIncomeTaxRateReconciliationOtherReconcilingItems" xlink:type="locator" xlink:label="biol_EffectiveIncomeTaxRateReconciliationOtherReconcilingItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<loc xlink:href="biol-20131231.xsd#biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:type="locator" xlink:label="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ComponentsOfIncomeTaxExpenseBenefitTable" xlink:type="locator" xlink:label="biol_ComponentsOfIncomeTaxExpenseBenefitTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="biol_ComponentsOfIncomeTaxExpenseBenefitTable" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitTable" xlink:to="dei_LegalEntityAxis" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitTable" xlink:to="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther" order="10650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" order="10770.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" order="10890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" order="10990.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense" order="11110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" order="11230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="biol_EffectiveIncomeTaxRateReconciliationOtherReconcilingItems" order="11310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ComponentsOfIncomeTaxExpenseBenefitLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations" order="11430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxLiabilities"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilitiesOther"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOtherComprehensiveLoss" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOtherComprehensiveLoss"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsInventory"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsStateTaxes" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsStateTaxes"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsDeferredIncome" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
<loc xlink:href="biol-20131231.xsd#biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:type="locator" xlink:label="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesTable" xlink:type="locator" xlink:label="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesTable" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesTable" xlink:to="dei_LegalEntityAxis" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesTable" xlink:to="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsDeferredIncome" order="10410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsStateTaxes" order="10570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" order="10650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsInventory" order="10730.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" order="10810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOtherComprehensiveLoss" order="10890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses" order="10970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" order="11050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsGross" order="11130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance" order="11210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxAssetsNet" order="11290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill" order="11370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxLiabilitiesOther" order="11450.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredIncomeTaxLiabilities" order="11530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SummaryOfNetDeferredTaxAssetsAndNetDeferredTaxLiabilitiesLineItems" xlink:to="us-gaap_DeferredTaxLiabilities" order="11610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfUnrecognizedTaxBenefitsDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfUnrecognizedTaxBenefitsDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfUnrecognizedTaxBenefitsDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefits_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefits"/>
<loc xlink:href="biol-20131231.xsd#biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" xlink:type="locator" xlink:label="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ReconciliationOfUnrecognizedTaxBenefitsTable" xlink:type="locator" xlink:label="biol_ReconciliationOfUnrecognizedTaxBenefitsTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="biol_ReconciliationOfUnrecognizedTaxBenefitsTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsTable" xlink:to="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefits" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ReconciliationOfUnrecognizedTaxBenefitsLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefits_li0l2" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureIncomeTaxesAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail">
<loc xlink:href="biol-20131231.xsd#biol_ValuationAllowanceStateDta" xlink:type="locator" xlink:label="biol_ValuationAllowanceStateDta"/>
<loc xlink:href="biol-20131231.xsd#biol_UnrecognizedTaxBenefitsImpactAdditionalPaidInCapitalIfRealized" xlink:type="locator" xlink:label="biol_UnrecognizedTaxBenefitsImpactAdditionalPaidInCapitalIfRealized"/>
<loc xlink:href="biol-20131231.xsd#biol_UnrecognizedTaxBenefitsThatWouldImpactAdditionalPaidInCapital" xlink:type="locator" xlink:label="biol_UnrecognizedTaxBenefitsThatWouldImpactAdditionalPaidInCapital"/>
<loc xlink:href="biol-20131231.xsd#biol_ResearchAndDevelopmentFederalTaxCreditCarryforwardsExpirationDateYear" xlink:type="locator" xlink:label="biol_ResearchAndDevelopmentFederalTaxCreditCarryforwardsExpirationDateYear"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:type="locator" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
<loc xlink:href="biol-20131231.xsd#biol_IndefiniteLifeMember" xlink:type="locator" xlink:label="biol_IndefiniteLifeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain" xlink:type="locator" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardAxis" xlink:type="locator" xlink:label="us-gaap_TaxCreditCarryforwardAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:type="locator" xlink:label="us-gaap_MaximumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_StateMember" xlink:type="locator" xlink:label="biol_StateMember"/>
<loc xlink:href="biol-20131231.xsd#biol_FederalMember" xlink:type="locator" xlink:label="biol_FederalMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
<loc xlink:href="biol-20131231.xsd#biol_TaxBenefitsRecognizedDuringPeriod" xlink:type="locator" xlink:label="biol_TaxBenefitsRecognizedDuringPeriod"/>
<loc xlink:href="biol-20131231.xsd#biol_RecognizedPreviouslyDeferredTaxAssets" xlink:type="locator" xlink:label="biol_RecognizedPreviouslyDeferredTaxAssets"/>
<loc xlink:href="biol-20131231.xsd#biol_ReversalDeferredTaxLiabilityExpirations" xlink:type="locator" xlink:label="biol_ReversalDeferredTaxLiabilityExpirations"/>
<loc xlink:href="biol-20131231.xsd#biol_IncomeTaxExpensesLineItems" xlink:type="locator" xlink:label="biol_IncomeTaxExpensesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_IncomeTaxExpensesTable" xlink:type="locator" xlink:label="biol_IncomeTaxExpensesTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureIncomeTaxesAdditionalInformationAbstract" xlink:type="locator" xlink:label="biol_DisclosureIncomeTaxesAdditionalInformationAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureIncomeTaxesAdditionalInformationAbstract" xlink:to="biol_IncomeTaxExpensesTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesTable" xlink:to="biol_IncomeTaxExpensesLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_ReversalDeferredTaxLiabilityExpirations" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_RecognizedPreviouslyDeferredTaxAssets" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_TaxBenefitsRecognizedDuringPeriod" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="biol_FederalMember" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="biol_StateMember" order="10350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesTable" xlink:to="us-gaap_RangeAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesTable" xlink:to="us-gaap_TaxCreditCarryforwardAxis" order="10020.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TaxCreditCarryforwardAxis" xlink:to="us-gaap_TaxCreditCarryforwardNameDomain" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TaxCreditCarryforwardNameDomain" xlink:to="biol_IndefiniteLifeMember" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" order="10630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDates" order="10710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch" order="10810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_ResearchAndDevelopmentFederalTaxCreditCarryforwardsExpirationDateYear" order="10970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_UnrecognizedTaxBenefitsThatWouldImpactAdditionalPaidInCapital" order="11130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_UnrecognizedTaxBenefitsImpactAdditionalPaidInCapitalIfRealized" order="11190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_IncomeTaxExpensesLineItems" xlink:to="biol_ValuationAllowanceStateDta" order="11250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LegalFees" xlink:type="locator" xlink:label="us-gaap_LegalFees"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:type="locator" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
<loc xlink:href="biol-20131231.xsd#biol_ChangeInControlEmployeeSeverance" xlink:type="locator" xlink:label="biol_ChangeInControlEmployeeSeverance"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesRentExpenseNet"/>
<loc xlink:href="biol-20131231.xsd#biol_PeriodForExtendedLease" xlink:type="locator" xlink:label="biol_PeriodForExtendedLease"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:type="locator" xlink:label="us-gaap_LeaseAndRentalExpense"/>
<loc xlink:href="biol-20131231.xsd#biol_LeaseFacilityArea" xlink:type="locator" xlink:label="biol_LeaseFacilityArea"/>
<loc xlink:href="biol-20131231.xsd#biol_LeaseTerm" xlink:type="locator" xlink:label="biol_LeaseTerm"/>
<loc xlink:href="biol-20131231.xsd#biol_CommitmentAndContingenciesLineItems" xlink:type="locator" xlink:label="biol_CommitmentAndContingenciesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_CommitmentAndContingenciesTable" xlink:type="locator" xlink:label="biol_CommitmentAndContingenciesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="biol_CommitmentAndContingenciesTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesTable" xlink:to="biol_CommitmentAndContingenciesLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="biol_LeaseTerm" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="biol_LeaseFacilityArea" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="us-gaap_LeaseAndRentalExpense" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="biol_PeriodForExtendedLease" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="us-gaap_OperatingLeasesRentExpenseNet" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="biol_ChangeInControlEmployeeSeverance" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" order="10580.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_CommitmentAndContingenciesLineItems" xlink:to="us-gaap_LegalFees" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureFutureMinimumRentalCommitmentsUnderOperatingLeaseAgreementsDetail" xlink:href="biol-20131231.xsd#Role_DisclosureFutureMinimumRentalCommitmentsUnderOperatingLeaseAgreementsDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureFutureMinimumRentalCommitmentsUnderOperatingLeaseAgreementsDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:type="locator" xlink:label="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTable" xlink:type="locator" xlink:label="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTable" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTable" xlink:to="dei_LegalEntityAxis" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTable" xlink:to="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" order="10290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfOptionActivityDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfOptionActivityDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfOptionActivityDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_ScenarioTwoMember" xlink:type="locator" xlink:label="biol_ScenarioTwoMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ScenarioOneMember" xlink:type="locator" xlink:label="biol_ScenarioOneMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureSummaryOfOptionActivityAbstract" xlink:type="locator" xlink:label="biol_DisclosureSummaryOfOptionActivityAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfOptionActivityAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_AwardTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_ScenarioOneMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_ScenarioTwoMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" order="10790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" order="10910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_li0l2" order="11030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" order="12350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" order="12470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" order="12800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="13000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" order="13120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" order="13360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" order="13480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_li0l2" order="13600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="14920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" order="15040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" order="15220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" order="15420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" order="15540.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" order="15720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" order="15920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" order="16040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureOptionsOutstandingAndExercisableDetail" xlink:href="biol-20131231.xsd#Role_DisclosureOptionsOutstandingAndExercisableDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureOptionsOutstandingAndExercisableDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeEightMember" xlink:type="locator" xlink:label="biol_RangeEightMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeSevenMember" xlink:type="locator" xlink:label="biol_RangeSevenMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeSixMember" xlink:type="locator" xlink:label="biol_RangeSixMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeFiveMember" xlink:type="locator" xlink:label="biol_RangeFiveMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeFourMember" xlink:type="locator" xlink:label="biol_RangeFourMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeThreeMember" xlink:type="locator" xlink:label="biol_RangeThreeMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeTwoMember" xlink:type="locator" xlink:label="biol_RangeTwoMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RangeOneMember" xlink:type="locator" xlink:label="biol_RangeOneMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureOptionsOutstandingAndExercisableAbstract" xlink:type="locator" xlink:label="biol_DisclosureOptionsOutstandingAndExercisableAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureOptionsOutstandingAndExercisableAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="us-gaap_RangeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeOneMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeTwoMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeThreeMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeFourMember" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeFiveMember" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeSixMember" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeSevenMember" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="biol_RangeEightMember" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" order="10270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" order="10650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" order="11030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" order="11430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" order="11830.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" order="12230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" order="12630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureCashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsDetail" xlink:href="biol-20131231.xsd#Role_DisclosureCashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureCashProceedsAlongWithFairValueDisclosuresRelatedToGrantsExercisesAndVestingOptionsDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:type="locator" xlink:label="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ScheduleOfWeightedAverageFairValuesOfStockOptionsTable" xlink:type="locator" xlink:label="biol_ScheduleOfWeightedAverageFairValuesOfStockOptionsTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="biol_ScheduleOfWeightedAverageFairValuesOfStockOptionsTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfWeightedAverageFairValuesOfStockOptionsTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfWeightedAverageFairValuesOfStockOptionsTable" xlink:to="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="10380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ScheduleOfCashProceedsAndWeightedAverageFairValuesOfStockOptionsLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue" order="10500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquityAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureStockholdersEquityAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureStockholdersEquityAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:type="locator" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:type="locator" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:type="locator" xlink:label="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepurchaseAgreementsMember" xlink:type="locator" xlink:label="us-gaap_RepurchaseAgreementsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_SpecialStockDividendsIntended" xlink:type="locator" xlink:label="biol_SpecialStockDividendsIntended"/>
<loc xlink:href="biol-20131231.xsd#biol_SpecialStockDividendsDeclared" xlink:type="locator" xlink:label="biol_SpecialStockDividendsDeclared"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantExpense" xlink:type="locator" xlink:label="biol_WarrantExpense"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantsRepurchaseAverageCostPerShare" xlink:type="locator" xlink:label="biol_WarrantsRepurchaseAverageCostPerShare"/>
<loc xlink:href="biol-20131231.xsd#biol_RepurchaseOfWarrantsDuringPeriodValue" xlink:type="locator" xlink:label="biol_RepurchaseOfWarrantsDuringPeriodValue"/>
<loc xlink:href="biol-20131231.xsd#biol_RepurchaseOfWarrantsDuringPeriodShares" xlink:type="locator" xlink:label="biol_RepurchaseOfWarrantsDuringPeriodShares"/>
<loc xlink:href="biol-20131231.xsd#biol_CommonStockWarrantsTerm" xlink:type="locator" xlink:label="biol_CommonStockWarrantsTerm"/>
<loc xlink:href="biol-20131231.xsd#biol_SecuritiesPurchaseAgreementMember" xlink:type="locator" xlink:label="biol_SecuritiesPurchaseAgreementMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingDomain" xlink:type="locator" xlink:label="us-gaap_FinancingDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancingAxis" xlink:type="locator" xlink:label="us-gaap_FinancingAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_StockOptionExpiration" xlink:type="locator" xlink:label="biol_StockOptionExpiration"/>
<loc xlink:href="biol-20131231.xsd#biol_StockOptionsGrantedToConsultant" xlink:type="locator" xlink:label="biol_StockOptionsGrantedToConsultant"/>
<loc xlink:href="biol-20131231.xsd#biol_ConsultantMember" xlink:type="locator" xlink:label="biol_ConsultantMember"/>
<loc xlink:href="biol-20131231.xsd#biol_StockOptionsExpirationDate" xlink:type="locator" xlink:label="biol_StockOptionsExpirationDate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChiefOperatingOfficerMember" xlink:type="locator" xlink:label="us-gaap_ChiefOperatingOfficerMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="locator" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:type="locator" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<loc xlink:href="biol-20131231.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercised" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercised"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
<loc xlink:href="biol-20131231.xsd#biol_TwoThousandTwoStockIncentivePlanMember" xlink:type="locator" xlink:label="biol_TwoThousandTwoStockIncentivePlanMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightExpenseOrRevenueRecognized" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightExpenseOrRevenueRecognized"/>
<loc xlink:href="biol-20131231.xsd#biol_IrWarrantsIssuedToPurchaseCommonStockPricePerShare" xlink:type="locator" xlink:label="biol_IrWarrantsIssuedToPurchaseCommonStockPricePerShare"/>
<loc xlink:href="biol-20131231.xsd#biol_IrWarrantsToPurchaseCommonStockGranted" xlink:type="locator" xlink:label="biol_IrWarrantsToPurchaseCommonStockGranted"/>
<loc xlink:href="biol-20131231.xsd#biol_IRWarrantTwoThousandTenMember" xlink:type="locator" xlink:label="biol_IRWarrantTwoThousandTenMember_li0l2"/>
<loc xlink:href="biol-20131231.xsd#biol_IRWarrantTwoThousandTenMember" xlink:type="locator" xlink:label="biol_IRWarrantTwoThousandTenMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<loc xlink:href="biol-20131231.xsd#biol_IRWarrantTwoThousandTwelveMember" xlink:type="locator" xlink:label="biol_IRWarrantTwoThousandTwelveMember"/>
<loc xlink:href="biol-20131231.xsd#biol_SecondTrancheMember" xlink:type="locator" xlink:label="biol_SecondTrancheMember"/>
<loc xlink:href="biol-20131231.xsd#biol_FirstTrancheMember" xlink:type="locator" xlink:label="biol_FirstTrancheMember"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantCancelledMember" xlink:type="locator" xlink:label="biol_WarrantCancelledMember_li0l2"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantThreeMember" xlink:type="locator" xlink:label="biol_WarrantThreeMember_li0l2"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantCancelledMember" xlink:type="locator" xlink:label="biol_WarrantCancelledMember"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantThreeMember" xlink:type="locator" xlink:label="biol_WarrantThreeMember"/>
<loc xlink:href="biol-20131231.xsd#biol_RequiredMinimumSharePriceReachedToExerciseWarrants" xlink:type="locator" xlink:label="biol_RequiredMinimumSharePriceReachedToExerciseWarrants"/>
<loc xlink:href="biol-20131231.xsd#biol_IRWarrantTwoThousandThirteenMember" xlink:type="locator" xlink:label="biol_IRWarrantTwoThousandThirteenMember"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantVestingRate" xlink:type="locator" xlink:label="biol_WarrantVestingRate"/>
<loc xlink:href="biol-20131231.xsd#biol_WarrantOneMember" xlink:type="locator" xlink:label="biol_WarrantOneMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:type="locator" xlink:label="us-gaap_WarrantsAndRightsOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:type="locator" xlink:label="us-gaap_Revenues"/>
<loc xlink:href="biol-20131231.xsd#biol_ClassOfWarrantOrRightWarrantsExercisable" xlink:type="locator" xlink:label="biol_ClassOfWarrantOrRightWarrantsExercisable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
<loc xlink:href="biol-20131231.xsd#biol_OriginalAgreedPriceMember" xlink:type="locator" xlink:label="biol_OriginalAgreedPriceMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ThirdEntLaserMember" xlink:type="locator" xlink:label="biol_ThirdEntLaserMember"/>
<loc xlink:href="biol-20131231.xsd#biol_SecondEntLaserMember" xlink:type="locator" xlink:label="biol_SecondEntLaserMember"/>
<loc xlink:href="biol-20131231.xsd#biol_FdaClearanceMember" xlink:type="locator" xlink:label="biol_FdaClearanceMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ValamWarrantMember" xlink:type="locator" xlink:label="biol_ValamWarrantMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ValamFirstTrancheMember" xlink:type="locator" xlink:label="biol_ValamFirstTrancheMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_MaximumStockOfferingPrice" xlink:type="locator" xlink:label="biol_MaximumStockOfferingPrice"/>
<loc xlink:href="biol-20131231.xsd#biol_NorthlandSecuritiesIncMember" xlink:type="locator" xlink:label="biol_NorthlandSecuritiesIncMember"/>
<loc xlink:href="biol-20131231.xsd#biol_OracleGroupMember" xlink:type="locator" xlink:label="biol_OracleGroupMember"/>
<loc xlink:href="biol-20131231.xsd#biol_TransactionIssuanceCosts" xlink:type="locator" xlink:label="biol_TransactionIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<loc xlink:href="biol-20131231.xsd#biol_ProceedsFromSaleOfCommonStockGross" xlink:type="locator" xlink:label="biol_ProceedsFromSaleOfCommonStockGross"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharePrice" xlink:type="locator" xlink:label="us-gaap_SharePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<loc xlink:href="biol-20131231.xsd#biol_ProposedMaximumAggregateOfferingPrice" xlink:type="locator" xlink:label="biol_ProposedMaximumAggregateOfferingPrice"/>
<loc xlink:href="biol-20131231.xsd#biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember" xlink:type="locator" xlink:label="biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockShares" xlink:type="locator" xlink:label="us-gaap_TreasuryStockShares"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesIssued"/>
<loc xlink:href="biol-20131231.xsd#biol_PreferredStockPurchaseRightRedemptionPricePerRight" xlink:type="locator" xlink:label="biol_PreferredStockPurchaseRightRedemptionPricePerRight"/>
<loc xlink:href="biol-20131231.xsd#biol_PreferredStockPurchaseRightExpirationDate" xlink:type="locator" xlink:label="biol_PreferredStockPurchaseRightExpirationDate"/>
<loc xlink:href="biol-20131231.xsd#biol_ClassOfWarrantOrRightOriginalExercisePriceOfWarrantsOrRights" xlink:type="locator" xlink:label="biol_ClassOfWarrantOrRightOriginalExercisePriceOfWarrantsOrRights"/>
<loc xlink:href="biol-20131231.xsd#biol_SaleOfAssetsOrEarningPowerThresholdPercentageToTriggerEvent" xlink:type="locator" xlink:label="biol_SaleOfAssetsOrEarningPowerThresholdPercentageToTriggerEvent"/>
<loc xlink:href="biol-20131231.xsd#biol_BeneficialOwnershipThresholdPercentageToTriggerEvent" xlink:type="locator" xlink:label="biol_BeneficialOwnershipThresholdPercentageToTriggerEvent"/>
<loc xlink:href="biol-20131231.xsd#biol_InitialMember" xlink:type="locator" xlink:label="biol_InitialMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConversionOfStockNameDomain" xlink:type="locator" xlink:label="us-gaap_ConversionOfStockNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis" xlink:type="locator" xlink:label="us-gaap_ConversionOfStockByUniqueDescriptionAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember"/>
<loc xlink:href="biol-20131231.xsd#biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember" xlink:type="locator" xlink:label="biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:href="biol-20131231.xsd#biol_StockholdersEquityLineItems" xlink:type="locator" xlink:label="biol_StockholdersEquityLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_SeriesBJuniorParticipatingPreferredStockMember" xlink:type="locator" xlink:label="biol_SeriesBJuniorParticipatingPreferredStockMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:type="locator" xlink:label="us-gaap_MaximumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_StockholdersEquityTable" xlink:type="locator" xlink:label="biol_StockholdersEquityTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureStockholdersEquityAdditionalInformationAbstract" xlink:type="locator" xlink:label="biol_DisclosureStockholdersEquityAdditionalInformationAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureStockholdersEquityAdditionalInformationAbstract" xlink:to="biol_StockholdersEquityTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_RangeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesBJuniorParticipatingPreferredStockMember" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="biol_StockholdersEquityLineItems" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockSharesAuthorized" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10020.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="10390.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="10410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember" order="10460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="10570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_ConversionOfStockByUniqueDescriptionAxis" order="10020.08" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConversionOfStockByUniqueDescriptionAxis" xlink:to="us-gaap_ConversionOfStockNameDomain" order="10620.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConversionOfStockNameDomain" xlink:to="biol_InitialMember" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_BeneficialOwnershipThresholdPercentageToTriggerEvent" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_SaleOfAssetsOrEarningPowerThresholdPercentageToTriggerEvent" order="10900.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ClassOfWarrantOrRightOriginalExercisePriceOfWarrantsOrRights" order="10980.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_PreferredStockPurchaseRightExpirationDate" order="11060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_PreferredStockPurchaseRightRedemptionPricePerRight" order="11140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_CommonStockSharesIssued" order="11280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_CommonStockSharesOutstanding" order="11300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" order="11320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_TreasuryStockShares" order="11340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember" order="11460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ProposedMaximumAggregateOfferingPrice" order="11520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="11560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_SharePrice" order="11620.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ProceedsFromSaleOfCommonStockGross" order="11680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="11740.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_TransactionIssuanceCosts" order="11800.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="biol_OracleGroupMember" order="11910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="biol_NorthlandSecuritiesIncMember" order="12220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_MaximumStockOfferingPrice" order="12360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" order="10020.10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="12750.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_ValamFirstTrancheMember" order="12770.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_ValamWarrantMember" order="12810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_FdaClearanceMember" order="12850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_SecondEntLaserMember" order="12870.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_ThirdEntLaserMember" order="12910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" order="10020.12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightDomain" order="13020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_OriginalAgreedPriceMember" order="13040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" order="13120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" order="13160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ClassOfWarrantOrRightWarrantsExercisable" order="13240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_Revenues" order="13360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_WarrantsAndRightsOutstanding" order="13480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensation" order="13520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" order="13560.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WarrantOneMember" order="13650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_WarrantVestingRate" order="13940.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_IRWarrantTwoThousandThirteenMember" order="14110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_RequiredMinimumSharePriceReachedToExerciseWarrants" order="14360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WarrantThreeMember" order="14490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WarrantCancelledMember" order="14530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WarrantThreeMember_li0l2" order="14570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WarrantCancelledMember_li0l2" order="14590.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_FirstTrancheMember" order="14660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_SecondTrancheMember" order="14680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_IRWarrantTwoThousandTwelveMember" order="15240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" order="15570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense" order="15610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" order="15650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_IRWarrantTwoThousandTenMember" order="15740.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_IRWarrantTwoThousandTenMember_li0l2" order="15760.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_IrWarrantsToPurchaseCommonStockGranted" order="16010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_IrWarrantsIssuedToPurchaseCommonStockPricePerShare" order="16050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExpenseOrRevenueRecognized" order="16170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="biol_TwoThousandTwoStockIncentivePlanMember" order="16300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" order="16360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercised" order="16400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" order="16440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" order="16480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" order="10020.14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" order="16550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="us-gaap_ChiefOperatingOfficerMember" order="16570.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" order="16670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="16730.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_StockOptionsExpirationDate" order="16790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="biol_ConsultantMember" order="16900.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_StockOptionsGrantedToConsultant" order="17020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_StockOptionExpiration" order="17080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_FinancingAxis" order="10020.16" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FinancingAxis" xlink:to="us-gaap_FinancingDomain" order="17170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FinancingDomain" xlink:to="biol_SecuritiesPurchaseAgreementMember" order="17190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_CommonStockWarrantsTerm" order="17610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_RepurchaseOfWarrantsDuringPeriodShares" order="17970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_RepurchaseOfWarrantsDuringPeriodValue" order="18030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_WarrantsRepurchaseAverageCostPerShare" order="18090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_WarrantExpense" order="18150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_SpecialStockDividendsDeclared" order="18330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_SpecialStockDividendsIntended" order="18600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_InvestmentTypeAxis" order="10020.18" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeCategorizationMember" order="18670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_RepurchaseAgreementsMember" order="18690.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" order="18750.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares" order="18810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_TreasuryStockAcquiredAverageCostPerShare" order="18890.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfNetRevenueByGeographicLocationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSummaryOfNetRevenueByGeographicLocationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSummaryOfNetRevenueByGeographicLocationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:type="locator" xlink:label="us-gaap_SalesRevenueNet"/>
<loc xlink:href="biol-20131231.xsd#biol_RevenueFromExternalCustomersByGeographicAreaLineItems" xlink:type="locator" xlink:label="biol_RevenueFromExternalCustomersByGeographicAreaLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_InternationalMember" xlink:type="locator" xlink:label="biol_InternationalMember"/>
<loc xlink:href="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd#country_US" xlink:type="locator" xlink:label="country_US"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:type="locator" xlink:label="us-gaap_SegmentGeographicalDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:type="locator" xlink:label="us-gaap_StatementGeographicalAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable" xlink:type="locator" xlink:label="biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:type="locator" xlink:label="us-gaap_SegmentReportingAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable" xlink:to="us-gaap_StatementGeographicalAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_US" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="biol_InternationalMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_RevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTable" xlink:to="biol_RevenueFromExternalCustomersByGeographicAreaLineItems" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_RevenueFromExternalCustomersByGeographicAreaLineItems" xlink:to="us-gaap_SalesRevenueNet" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSegmentInformationAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSegmentInformationAdditionalInformationDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:type="locator" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries"/>
<loc xlink:href="biol-20131231.xsd#biol_InternationalMember" xlink:type="locator" xlink:label="biol_InternationalMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:type="locator" xlink:label="us-gaap_SegmentGeographicalDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:type="locator" xlink:label="us-gaap_StatementGeographicalAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_NoIndividualCountryOtherThanUnitedStatesRepresentsMoreThanTenPercentageOfNetRevenue" xlink:type="locator" xlink:label="biol_NoIndividualCountryOtherThanUnitedStatesRepresentsMoreThanTenPercentageOfNetRevenue"/>
<loc xlink:href="biol-20131231.xsd#biol_SalesToCustomersLocatedOutsideOfUnitedStates" xlink:type="locator" xlink:label="biol_SalesToCustomersLocatedOutsideOfUnitedStates"/>
<loc xlink:href="biol-20131231.xsd#biol_SalesToCustomersLocatedWithinUnitedStates" xlink:type="locator" xlink:label="biol_SalesToCustomersLocatedWithinUnitedStates"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:type="locator" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_SegmentReportingInformationTable" xlink:type="locator" xlink:label="biol_SegmentReportingInformationTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:type="locator" xlink:label="us-gaap_SegmentReportingAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="biol_SegmentReportingInformationTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SegmentReportingInformationTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SegmentReportingInformationTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="biol_SalesToCustomersLocatedWithinUnitedStates" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="biol_SalesToCustomersLocatedOutsideOfUnitedStates" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="biol_NoIndividualCountryOtherThanUnitedStatesRepresentsMoreThanTenPercentageOfNetRevenue" order="10380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_SegmentReportingInformationTable" xlink:to="us-gaap_StatementGeographicalAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" order="10530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="biol_InternationalMember" order="10550.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" order="10610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureConcentrationsAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureConcentrationsAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureConcentrationsAdditionalInformationDetail">
<loc xlink:href="biol-20131231.xsd#biol_EntityWideAccountsReceivableMajorCustomerNumber" xlink:type="locator" xlink:label="biol_EntityWideAccountsReceivableMajorCustomerNumber"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskCustomer" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskCustomer"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerPercentage" xlink:type="locator" xlink:label="us-gaap_EntityWideRevenueMajorCustomerPercentage"/>
<loc xlink:href="biol-20131231.xsd#biol_PercentageOfNetRevenue" xlink:type="locator" xlink:label="biol_PercentageOfNetRevenue"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_LicenseFeesAndRoyaltiesMember" xlink:type="locator" xlink:label="biol_LicenseFeesAndRoyaltiesMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ServiceMember" xlink:type="locator" xlink:label="biol_ServiceMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ImagingSystemMember" xlink:type="locator" xlink:label="biol_ImagingSystemMember"/>
<loc xlink:href="biol-20131231.xsd#biol_ConsumableAndOtherMember" xlink:type="locator" xlink:label="biol_ConsumableAndOtherMember"/>
<loc xlink:href="biol-20131231.xsd#biol_LaserSystemsMember" xlink:type="locator" xlink:label="biol_LaserSystemsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:type="locator" xlink:label="us-gaap_ProductsAndServicesDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:type="locator" xlink:label="us-gaap_ProductOrServiceAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:type="locator" xlink:label="us-gaap_RisksAndUncertaintiesAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RisksAndUncertaintiesAbstract" xlink:to="us-gaap_ConcentrationRiskTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ProductOrServiceAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductsAndServicesDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="biol_LaserSystemsMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="biol_ConsumableAndOtherMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="biol_ImagingSystemMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="biol_ServiceMember" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="biol_LicenseFeesAndRoyaltiesMember" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskLineItems" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="biol_PercentageOfNetRevenue" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_EntityWideRevenueMajorCustomerPercentage" order="10870.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskCustomer" order="11050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="biol_EntityWideAccountsReceivableMajorCustomerNumber" order="11130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail" xlink:href="biol-20131231.xsd#Role_DisclosureSubsequentEventsAdditionalInformationDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail">
<loc xlink:href="biol-20131231.xsd#biol_OwnershipPercentage" xlink:type="locator" xlink:label="biol_OwnershipPercentage"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:type="locator" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:type="locator" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
<loc xlink:href="biol-20131231.xsd#biol_SpecialStockDividendsDeclared" xlink:type="locator" xlink:label="biol_SpecialStockDividendsDeclared"/>
<loc xlink:href="biol-20131231.xsd#biol_SpecialStockDividendsIntended" xlink:type="locator" xlink:label="biol_SpecialStockDividendsIntended"/>
<loc xlink:href="biol-20131231.xsd#biol_OracleGroupMember" xlink:type="locator" xlink:label="biol_OracleGroupMember"/>
<loc xlink:href="biol-20131231.xsd#biol_StockDividendsMember" xlink:type="locator" xlink:label="biol_StockDividendsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsDomain" xlink:type="locator" xlink:label="us-gaap_DividendsDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsAxis" xlink:type="locator" xlink:label="us-gaap_DividendsAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_DebtIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:href="biol-20131231.xsd#biol_ComericaBankMember" xlink:type="locator" xlink:label="biol_ComericaBankMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_ProposedMaximumAggregateOfferingPrice" xlink:type="locator" xlink:label="biol_ProposedMaximumAggregateOfferingPrice"/>
<loc xlink:href="biol-20131231.xsd#biol_TransactionIssuanceCosts" xlink:type="locator" xlink:label="biol_TransactionIssuanceCosts"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<loc xlink:href="biol-20131231.xsd#biol_ProceedsFromSaleOfCommonStockGross" xlink:type="locator" xlink:label="biol_ProceedsFromSaleOfCommonStockGross"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharePrice" xlink:type="locator" xlink:label="us-gaap_SharePrice"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<loc xlink:href="biol-20131231.xsd#biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember" xlink:type="locator" xlink:label="biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember"/>
<loc xlink:href="biol-20131231.xsd#biol_BeneficialOwnershipThresholdPercentageToTriggerEvent" xlink:type="locator" xlink:label="biol_BeneficialOwnershipThresholdPercentageToTriggerEvent"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:type="locator" xlink:label="us-gaap_SubsequentEventLineItems"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_InitialMember" xlink:type="locator" xlink:label="biol_InitialMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConversionOfStockNameDomain" xlink:type="locator" xlink:label="us-gaap_ConversionOfStockNameDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis" xlink:type="locator" xlink:label="us-gaap_ConversionOfStockByUniqueDescriptionAxis"/>
<loc xlink:href="biol-20131231.xsd#biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember" xlink:type="locator" xlink:label="biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTable" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTable"/>
<loc xlink:href="biol-20131231.xsd#biol_DisclosureSubsequentEventsAdditionalInformationAbstract" xlink:type="locator" xlink:label="biol_DisclosureSubsequentEventsAdditionalInformationAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSubsequentEventsAdditionalInformationAbstract" xlink:to="us-gaap_SubsequentEventTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="10020.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_ConversionOfStockByUniqueDescriptionAxis" order="10020.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConversionOfStockByUniqueDescriptionAxis" xlink:to="us-gaap_ConversionOfStockNameDomain" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConversionOfStockNameDomain" xlink:to="biol_InitialMember" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_RangeAxis" order="10020.08" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventLineItems" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_BeneficialOwnershipThresholdPercentageToTriggerEvent" order="10320.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember" order="10500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SharePrice" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_ProceedsFromSaleOfCommonStockGross" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="10700.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_TransactionIssuanceCosts" order="10720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_ProposedMaximumAggregateOfferingPrice" order="10850.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_LineOfCreditFacilityAxis" order="10020.10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityAxis" xlink:to="us-gaap_LineOfCreditFacilityLenderDomain" order="10970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_ComericaBankMember" order="10990.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="11050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtIssuanceCosts" order="11070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_DividendsAxis" order="10020.12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DividendsAxis" xlink:to="us-gaap_DividendsDomain" order="11230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DividendsDomain" xlink:to="biol_StockDividendsMember" order="11250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="biol_OracleGroupMember" order="11300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_SpecialStockDividendsIntended" order="11360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_SpecialStockDividendsDeclared" order="11420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" order="11500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" order="11580.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="biol_OwnershipPercentage" order="11660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<roleRef roleURI="http://www.biolase.com/20131231/taxonomy/role/DisclosureConsolidatedValuationAndQualifyingAccountsAndReservesDetail" xlink:href="biol-20131231.xsd#Role_DisclosureConsolidatedValuationAndQualifyingAccountsAndReservesDetail" xlink:type="simple"/>
<presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20131231/taxonomy/role/DisclosureConsolidatedValuationAndQualifyingAccountsAndReservesDetail">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_li0l2"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:type="locator" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems"/>
<loc xlink:href="biol-20131231.xsd#biol_DeferredIncomeTaxValuationAllowancesMember" xlink:type="locator" xlink:label="biol_DeferredIncomeTaxValuationAllowancesMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForSalesReturnsMember" xlink:type="locator" xlink:label="us-gaap_AllowanceForSalesReturnsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:type="locator" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:type="locator" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:type="locator" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="dei_LegalEntityAxis" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAllowancesAndReservesTypeAxis" order="10020.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="us-gaap_ValuationAllowancesAndReservesDomain" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_AllowanceForDoubtfulAccountsMember" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_AllowanceForSalesReturnsMember" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="biol_DeferredIncomeTaxValuationAllowancesMember" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesDeductions" order="10810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance_li0l2" order="11130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</presentationLink>
</linkbase>

Top
Filing Submission 0001564590-14-000856   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Fri., Apr. 26, 2:02:51.1pm ET