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<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ --> |
<!-- Creation Date : 2019-11-08T19:04:41.1445768+00:00 --> |
<!-- Version : 5.0.0.208 --> |
<!-- Package ID : 7d7109243ca54c79b75d0e87d9e56091 --> |
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. --> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInInventories"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_EarnedInterestIncome" xlink:type="locator" xlink:label="biol_EarnedInterestIncome"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:type="locator" xlink:label="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:type="locator" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:type="locator" xlink:label="us-gaap_RisksAndUncertaintiesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RisksAndUncertaintiesAbstract" xlink:to="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureDescriptionOfBusinessAndBasisOfPresentationAdditionalInformationDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio1" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WorkingCapital" xlink:type="locator" xlink:label="biol_WorkingCapital"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ProceedsFromIssuanceOrSaleOfEquityNet" xlink:type="locator" xlink:label="biol_ProceedsFromIssuanceOrSaleOfEquityNet"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleInventory" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleInventory"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccounts" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccounts"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_BasisOfPresentationLineItems" xlink:type="locator" xlink:label="biol_BasisOfPresentationLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:type="locator" xlink:label="us-gaap_OverAllotmentOptionMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_PacificMercantileBankMember" xlink:type="locator" xlink:label="biol_PacificMercantileBankMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LoanAndSecurityAgreementMember" xlink:type="locator" xlink:label="biol_LoanAndSecurityAgreementMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SwkFundingLlcMember" xlink:type="locator" xlink:label="biol_SwkFundingLlcMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_BasisOfPresentationTable" xlink:type="locator" xlink:label="biol_BasisOfPresentationTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:type="locator" xlink:label="us-gaap_AccountingPoliciesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="biol_BasisOfPresentationTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="us-gaap_LineOfCreditFacilityAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_SwkFundingLlcMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="us-gaap_CreditFacilityAxis" order="10030.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="biol_LoanAndSecurityAgreementMember" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_PacificMercantileBankMember" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" order="10030.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_OverAllotmentOptionMember" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="10490.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccounts" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleInventory" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1" order="10700.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_ProceedsFromIssuanceOrSaleOfEquityNet" order="10750.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" order="10790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="10830.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="biol_WorkingCapital" order="10900.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" order="10920.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_BasisOfPresentationLineItems" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="10940.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiability"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_OperatingLeaseRightOfUseAssetAfterAdjustmentForDeferredRent" xlink:type="locator" xlink:label="biol_OperatingLeaseRightOfUseAssetAfterAdjustmentForDeferredRent"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_AccountingPoliciesLineItems" xlink:type="locator" xlink:label="biol_AccountingPoliciesLineItems"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_ContractWithCustomerLiabilityRevenueRecognizedUndeliveredElements" xlink:type="locator" xlink:label="biol_ContractWithCustomerLiabilityRevenueRecognizedUndeliveredElements"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ContractWithCustomerLiabilityInUndeliveredElements" xlink:type="locator" xlink:label="biol_ContractWithCustomerLiabilityInUndeliveredElements"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_RevenueFromServicesTransferredToCustomersOverTimePercentage" xlink:type="locator" xlink:label="biol_RevenueFromServicesTransferredToCustomersOverTimePercentage"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_RevenueFromProductsAndServicesTransferredToCustomersPercentage" xlink:type="locator" xlink:label="biol_RevenueFromProductsAndServicesTransferredToCustomersPercentage"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/> |
| | <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CN" xlink:type="locator" xlink:label="country_CN"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:type="locator" xlink:label="srt_SegmentGeographicalDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:type="locator" xlink:label="srt_StatementGeographicalAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_DisaggregationOfRevenueTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="srt_StatementGeographicalAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_SegmentGeographicalDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="country_CN" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="biol_RevenueFromProductsAndServicesTransferredToCustomersPercentage" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="biol_RevenueFromServicesTransferredToCustomersOverTimePercentage" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="biol_ContractWithCustomerLiabilityInUndeliveredElements" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" order="10410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="biol_ContractWithCustomerLiabilityRevenueRecognizedUndeliveredElements" order="10460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfOpeningAndClosingBalancesOfContractLiabilitiesDetail" xlink:href="biol-20190930.xsd#Role_DisclosureSummaryOfOpeningAndClosingBalancesOfContractLiabilitiesDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfOpeningAndClosingBalancesOfContractLiabilitiesDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiability"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ContractWithCustomerLiabilityInDeferredRoyalties" xlink:type="locator" xlink:label="biol_ContractWithCustomerLiabilityInDeferredRoyalties"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ContractWithCustomerLiabilityInExtendedWarrantyContracts" xlink:type="locator" xlink:label="biol_ContractWithCustomerLiabilityInExtendedWarrantyContracts"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ContractWithCustomerLiabilityInUndeliveredElements" xlink:type="locator" xlink:label="biol_ContractWithCustomerLiabilityInUndeliveredElements"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="biol_ContractWithCustomerLiabilityInUndeliveredElements" order="10040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="biol_ContractWithCustomerLiabilityInExtendedWarrantyContracts" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="biol_ContractWithCustomerLiabilityInDeferredRoyalties" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_ContractWithCustomerLiability" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_ContractWithCustomerLiabilityNoncurrent" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfDisaggregationOfRevenuesRelatedToGeographicAreasDetail" xlink:href="biol-20190930.xsd#Role_DisclosureSummaryOfDisaggregationOfRevenuesRelatedToGeographicAreasDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfDisaggregationOfRevenuesRelatedToGeographicAreasDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonUsMember" xlink:type="locator" xlink:label="us-gaap_NonUsMember"/> |
| | <link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:type="locator" xlink:label="country_US"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:type="locator" xlink:label="srt_SegmentGeographicalDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:type="locator" xlink:label="srt_StatementGeographicalAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_DisaggregationOfRevenueTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="srt_StatementGeographicalAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_SegmentGeographicalDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="country_US" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="us-gaap_NonUsMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfRevenuesDisaggregatedByTimingOfGoodsAndServicesTransferredDetail" xlink:href="biol-20190930.xsd#Role_DisclosureSummaryOfRevenuesDisaggregatedByTimingOfGoodsAndServicesTransferredDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfRevenuesDisaggregatedByTimingOfGoodsAndServicesTransferredDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransferredAtPointInTimeMember" xlink:type="locator" xlink:label="us-gaap_TransferredAtPointInTimeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransferredOverTimeMember" xlink:type="locator" xlink:label="us-gaap_TransferredOverTimeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:type="locator" xlink:label="us-gaap_TimingOfTransferOfGoodOrServiceDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis" xlink:type="locator" xlink:label="us-gaap_TimingOfTransferOfGoodOrServiceAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_DisaggregationOfRevenueTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_TimingOfTransferOfGoodOrServiceAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TimingOfTransferOfGoodOrServiceAxis" xlink:to="us-gaap_TimingOfTransferOfGoodOrServiceDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:to="us-gaap_TransferredOverTimeMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:to="us-gaap_TransferredAtPointInTimeMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfSalesByEndMarketDetail" xlink:href="biol-20190930.xsd#Role_DisclosureSummaryOfSalesByEndMarketDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfSalesByEndMarketDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesChannelThroughIntermediaryMember" xlink:type="locator" xlink:label="us-gaap_SalesChannelThroughIntermediaryMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesChannelDirectlyToConsumerMember" xlink:type="locator" xlink:label="us-gaap_SalesChannelDirectlyToConsumerMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerSalesChannelDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerSalesChannelAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_DisaggregationOfRevenueTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_ContractWithCustomerSalesChannelAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ContractWithCustomerSalesChannelAxis" xlink:to="us-gaap_ContractWithCustomerSalesChannelDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ContractWithCustomerSalesChannelDomain" xlink:to="us-gaap_SalesChannelDirectlyToConsumerMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ContractWithCustomerSalesChannelDomain" xlink:to="us-gaap_SalesChannelThroughIntermediaryMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LicenseFeesAndRoyaltiesMember" xlink:type="locator" xlink:label="biol_LicenseFeesAndRoyaltiesMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ServicesMember" xlink:type="locator" xlink:label="biol_ServicesMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ConsumablesAndOtherMember" xlink:type="locator" xlink:label="biol_ConsumablesAndOtherMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ImagingSystemMember" xlink:type="locator" xlink:label="biol_ImagingSystemMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LaserSystemsMember" xlink:type="locator" xlink:label="biol_LaserSystemsMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:type="locator" xlink:label="srt_ProductsAndServicesDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:type="locator" xlink:label="srt_ProductOrServiceAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:type="locator" xlink:label="us-gaap_SalesRevenueNetMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:type="locator" xlink:label="us-gaap_ProductConcentrationRiskMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTypeDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByTypeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueRecognitionAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_DisaggregationOfRevenueTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_ConcentrationRiskByTypeAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ProductConcentrationRiskMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_SalesRevenueNetMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="srt_ProductOrServiceAxis" order="10030.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" order="10380.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_LaserSystemsMember" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_ImagingSystemMember" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_ConsumablesAndOtherMember" order="10440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_ServicesMember" order="10460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_LicenseFeesAndRoyaltiesMember" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueLineItems" order="10500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" order="10510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureStockholdersDeficitEquityAdditionalInformationDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_AllocatedShareBasedCompensationExpenseCredit" xlink:type="locator" xlink:label="biol_AllocatedShareBasedCompensationExpenseCredit"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsOutstandingNumber" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsOutstandingNumber"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_CommonStockIssuedPursuantToOptionsExercised" xlink:type="locator" xlink:label="biol_CommonStockIssuedPursuantToOptionsExercised"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesAuthorized"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityReverseStockSplit"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ProceedsFromIssuanceOrSaleOfEquityNet" xlink:type="locator" xlink:label="biol_ProceedsFromIssuanceOrSaleOfEquityNet"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesIssued"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_StockholdersEquityLineItems" xlink:type="locator" xlink:label="biol_StockholdersEquityLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:type="locator" xlink:label="us-gaap_RestrictedStockUnitsRSUMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_TwoThousandEighteenLongTermIncentivePlanMember" xlink:type="locator" xlink:label="biol_TwoThousandEighteenLongTermIncentivePlanMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_TwoThousandTwoStockIncentivePlanMember" xlink:type="locator" xlink:label="biol_TwoThousandTwoStockIncentivePlanMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:type="locator" xlink:label="us-gaap_PlanNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:type="locator" xlink:label="us-gaap_PlanNameAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SeriesEParticipatingConvertiblePreferredStockMember" xlink:type="locator" xlink:label="biol_SeriesEParticipatingConvertiblePreferredStockMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:type="locator" xlink:label="us-gaap_PrivatePlacementMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_UnderwrittenPublicOfferingMember" xlink:type="locator" xlink:label="biol_UnderwrittenPublicOfferingMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_StockholdersEquityTable" xlink:type="locator" xlink:label="biol_StockholdersEquityTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:type="locator" xlink:label="us-gaap_EquityAbstract"/> |
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| | <link: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="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="biol_SeriesEParticipatingConvertiblePreferredStockMember" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" order="10400.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="biol_TwoThousandTwoStockIncentivePlanMember" order="10420.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="biol_TwoThousandEighteenLongTermIncentivePlanMember" order="10480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" order="10030.12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_RestrictedStockUnitsRSUMember" order="10580.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityTable" xlink:to="biol_StockholdersEquityLineItems" order="10620.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues" order="10630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_PreferredStockSharesIssued" order="10650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_ProceedsFromIssuanceOrSaleOfEquityNet" order="10670.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="biol_AllocatedShareBasedCompensationExpenseCredit" order="11190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" order="11270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" order="11350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" order="11460.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveVerboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_StockholdersEquityLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="11530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="biol_EngineeringAndDevelopmentMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_li0l2"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceAtFairMarketValue" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceAtFairMarketValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedOptionsExpirationsInPeriod" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedOptionsExpirationsInPeriod"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_li0l2"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAtFairMarketValue" xlink:type="locator" xlink:label="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAtFairMarketValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DisclosureSummaryOfOptionActivityAbstract" xlink:type="locator" xlink:label="biol_DisclosureSummaryOfOptionActivityAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfOptionActivityAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAtFairMarketValue" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link: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="10510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link: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="10610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
| | <link: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="10710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedOptionsExpirationsInPeriod" order="10810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfOptionActivityAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" order="10910.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="11110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="biol_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceAtFairMarketValue" order="11210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" order="11310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" order="11410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_li0l2" order="11510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="11610.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedOptionsExpirationsInPeriodWeightedAverageExercisePrice" order="11710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfOptionActivityAbstract" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" order="11810.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" order="12010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" order="12210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_DisclosureSummaryOfOptionActivityAbstract" xlink:to="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" order="12310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" order="12510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" order="12710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfUnvestedStockOptionActivityDetail" xlink:href="biol-20190930.xsd#Role_DisclosureSummaryOfUnvestedStockOptionActivityDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureSummaryOfUnvestedStockOptionActivityDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_li0l2"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_li0l2"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:type="locator" xlink:label="us-gaap_EmployeeStockOptionMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/> |
| | <link: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="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_EmployeeStockOptionMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="10590.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedInsuranceCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedInsuranceCurrent"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_AccruedLiabilitiesTable" xlink:type="locator" xlink:label="biol_AccruedLiabilitiesTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:type="locator" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="biol_AccruedLiabilitiesTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="srt_RangeAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="srt_StatementGeographicalAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_SegmentGeographicalDomain" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="country_US" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_SegmentGeographicalDomain" xlink:to="us-gaap_NonUsMember" order="10180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="srt_ProductOrServiceAxis" order="10030.04" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductsAndServicesDomain" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_WaterlaseLaserSystemsMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ProductsAndServicesDomain" xlink:to="biol_DiodeSystemsMember" order="10280.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesTable" xlink:to="biol_AccruedLiabilitiesLineItems" order="10300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="biol_AccruedLiabilitiesLineItems" xlink:to="biol_ProductWarrantTerm" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureDebtSummaryOfPrincipalOutstandingAndUnamortizedDiscountDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:type="locator" xlink:label="us-gaap_LongTermDebtNoncurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCarryingAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentCarryingAmount" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtNoncurrent" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureDebtAdditionalInformationDetail" xlink:href="biol-20190930.xsd#Role_DisclosureDebtAdditionalInformationDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureDebtAdditionalInformationDetail"> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WarrantsEffectiveInterestMethodAmortizationPeriod" xlink:type="locator" xlink:label="biol_WarrantsEffectiveInterestMethodAmortizationPeriod"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_NumberOfTradingDays" xlink:type="locator" xlink:label="biol_NumberOfTradingDays"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ClassOfWarrantOrRightExpirationPeriod" xlink:type="locator" xlink:label="biol_ClassOfWarrantOrRightExpirationPeriod"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ProceedsFromSubordinatedDebtThresholdLimit" xlink:type="locator" xlink:label="biol_ProceedsFromSubordinatedDebtThresholdLimit"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentAdditionalFindersFee" xlink:type="locator" xlink:label="biol_DebtInstrumentAdditionalFindersFee"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_AdditionalWarrantsToPurchaseCommonStockValue" xlink:type="locator" xlink:label="biol_AdditionalWarrantsToPurchaseCommonStockValue"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentFeeAndOtherFeePayable" xlink:type="locator" xlink:label="biol_DebtInstrumentFeeAndOtherFeePayable"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentFinancialCovenantsIncreaseInMinimumLiquidityRequirement" xlink:type="locator" xlink:label="biol_DebtInstrumentFinancialCovenantsIncreaseInMinimumLiquidityRequirement"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentMaximumAggregateOfferingPrice" xlink:type="locator" xlink:label="biol_DebtInstrumentMaximumAggregateOfferingPrice"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_AdditionalEquityFundingRequirementUntilMinimumLiquidityIsMet" xlink:type="locator" xlink:label="biol_AdditionalEquityFundingRequirementUntilMinimumLiquidityIsMet"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentFinancialCovenantsMinimumLiquidityAmount" xlink:type="locator" xlink:label="biol_DebtInstrumentFinancialCovenantsMinimumLiquidityAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:type="locator" xlink:label="us-gaap_DebtWeightedAverageInterestRate"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:type="locator" xlink:label="us-gaap_InterestExpenseDebt"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentLegalAndOtherFees" xlink:type="locator" xlink:label="biol_DebtInstrumentLegalAndOtherFees"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentFindersFee" xlink:type="locator" xlink:label="biol_DebtInstrumentFindersFee"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoanProcessingFee" xlink:type="locator" xlink:label="us-gaap_LoanProcessingFee"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCovenantDescription"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentCovenantsUnencumberedLiquidAssets" xlink:type="locator" xlink:label="biol_DebtInstrumentCovenantsUnencumberedLiquidAssets"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentMaturityTerm" xlink:type="locator" xlink:label="biol_DebtInstrumentMaturityTerm"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentPrincipalRepaymentsTermStartYear" xlink:type="locator" xlink:label="biol_DebtInstrumentPrincipalRepaymentsTermStartYear"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DebtInstrumentRepaymentOfInterestOnlyOnLoanPeriod" xlink:type="locator" xlink:label="biol_DebtInstrumentRepaymentOfInterestOnlyOnLoanPeriod"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:type="locator" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationPeriod"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:type="locator" xlink:label="us-gaap_UnamortizedDebtIssuanceExpense"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LineOfCreditFacilityMinimumUnrestrictedCashCovenant" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityMinimumUnrestrictedCashCovenant"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ClassOfWarrantOrRightsExpirationDate" xlink:type="locator" xlink:label="biol_ClassOfWarrantOrRightsExpirationDate"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCredit" xlink:type="locator" xlink:label="us-gaap_LineOfCredit"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LineOfCreditFacilityDefaultCovenantAdvance" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityDefaultCovenantAdvance"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:type="locator" xlink:label="us-gaap_FairValueAdjustmentOfWarrants"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WarrantsFairValueAssumptionsRiskFreeInterestRate" xlink:type="locator" xlink:label="biol_WarrantsFairValueAssumptionsRiskFreeInterestRate"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WarrantsFairValueAssumptionsAnnualDividendPerShare" xlink:type="locator" xlink:label="biol_WarrantsFairValueAssumptionsAnnualDividendPerShare"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WarrantsFairValueAssumptionsExpectedVolatilityRate" xlink:type="locator" xlink:label="biol_WarrantsFairValueAssumptionsExpectedVolatilityRate"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WarrantsFairValueAssumptionsExpectedTerm" xlink:type="locator" xlink:label="biol_WarrantsFairValueAssumptionsExpectedTerm"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeDescription" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeDescription"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_InterestRateDuringPeriodInEventOfDefault" xlink:type="locator" xlink:label="biol_InterestRateDuringPeriodInEventOfDefault"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_VariableInterestRateWithRespectToAdvancesMade" xlink:type="locator" xlink:label="biol_VariableInterestRateWithRespectToAdvancesMade"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccountsReceivable" xlink:type="locator" xlink:label="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccountsReceivable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SWKWarrantsAndDealPartnersGroupWarrantsMember" xlink:type="locator" xlink:label="biol_SWKWarrantsAndDealPartnersGroupWarrantsMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_CreditAgreementSecondAmendmentMember" xlink:type="locator" xlink:label="biol_CreditAgreementSecondAmendmentMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DealPartnersGroupWarrantsMember" xlink:type="locator" xlink:label="biol_DealPartnersGroupWarrantsMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SWKWarrantsMember" xlink:type="locator" xlink:label="biol_SWKWarrantsMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_CreditAgreementFirstAmendmentMember" xlink:type="locator" xlink:label="biol_CreditAgreementFirstAmendmentMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:type="locator" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:type="locator" xlink:label="us-gaap_VariableRateDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:type="locator" xlink:label="us-gaap_VariableRateAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SwkFundingLlcMember" xlink:type="locator" xlink:label="biol_SwkFundingLlcMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WesternAllianceMember" xlink:type="locator" xlink:label="biol_WesternAllianceMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_SecondModificationAgreementMember" xlink:type="locator" xlink:label="biol_SecondModificationAgreementMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_WesternAllianceWarrantMember" xlink:type="locator" xlink:label="biol_WesternAllianceWarrantMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:type="locator" xlink:label="us-gaap_ClassOfWarrantOrRightAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember" xlink:type="locator" xlink:label="us-gaap_LineOfCreditMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_ExportRevolvingCreditFacilityMember" xlink:type="locator" xlink:label="biol_ExportRevolvingCreditFacilityMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_DomesticRevolvingCreditFacilityMember" xlink:type="locator" xlink:label="biol_DomesticRevolvingCreditFacilityMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_BusinessFinancingAgreementMember" xlink:type="locator" xlink:label="biol_BusinessFinancingAgreementMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_BusinessFinancingAgreementMember" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_CreditFacilityAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="biol_DomesticRevolvingCreditFacilityMember" order="10240.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="biol_ExportRevolvingCreditFacilityMember" order="10260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_LineOfCreditMember" order="10520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MinimumMember" order="10660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="10680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_ClassOfWarrantOrRightAxis" order="10030.06" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="11000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_WesternAllianceWarrantMember" order="11020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_SecondModificationAgreementMember" order="11300.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LineOfCreditFacilityAxis" order="10030.08" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link: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="11340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_WesternAllianceMember" order="11360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="biol_SwkFundingLlcMember" order="12020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_VariableRateAxis" order="10030.10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateDomain" order="12080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_LondonInterbankOfferedRateLIBORMember" order="12100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_CreditAgreementFirstAmendmentMember" order="12660.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_SWKWarrantsMember" order="12820.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_DealPartnersGroupWarrantsMember" order="12840.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="biol_CreditAgreementSecondAmendmentMember" order="13180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain" xlink:to="biol_SWKWarrantsAndDealPartnersGroupWarrantsMember" order="13500.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="13520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="13530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_LineOfCreditFacilityMaximumBorrowingPercentageOfEligibleAccountsReceivable" order="13590.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1" order="13630.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" order="13680.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_VariableInterestRateWithRespectToAdvancesMade" order="13700.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_InterestRateDuringPeriodInEventOfDefault" order="13720.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" order="13740.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityInterestRateDescription" order="13780.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeeAmount" order="13830.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeeDescription" order="13930.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_WarrantsFairValueAssumptionsExpectedTerm" order="13980.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_WarrantsFairValueAssumptionsExpectedVolatilityRate" order="14000.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_WarrantsFairValueAssumptionsAnnualDividendPerShare" order="14020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_WarrantsFairValueAssumptionsRiskFreeInterestRate" order="14040.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_FairValueAdjustmentOfWarrants" order="14060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_LineOfCreditFacilityDefaultCovenantAdvance" order="14110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCredit" order="14180.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" order="14220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" order="14260.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_UnamortizedDebtIssuanceExpense" order="14360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityExpirationPeriod" order="14410.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentPrincipalRepaymentsTermStartYear" order="14530.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentLegalAndOtherFees" order="14970.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_InterestExpenseDebt" order="15020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtWeightedAverageInterestRate" order="15060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentFinancialCovenantsMinimumLiquidityAmount" order="15210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_AdditionalEquityFundingRequirementUntilMinimumLiquidityIsMet" order="15250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentMaximumAggregateOfferingPrice" order="15290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentFinancialCovenantsIncreaseInMinimumLiquidityRequirement" order="15330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentFeeAndOtherFeePayable" order="15440.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_AdditionalWarrantsToPurchaseCommonStockValue" order="15480.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_DebtInstrumentAdditionalFindersFee" order="15520.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_ProceedsFromSubordinatedDebtThresholdLimit" order="15650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_ClassOfWarrantOrRightExpirationPeriod" order="15740.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_NumberOfTradingDays" order="15820.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="biol_WarrantsEffectiveInterestMethodAmortizationPeriod" order="16600.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureDebtSummaryOfFutureMinimumPrincipalAndInterestPaymentsDetail"> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterest" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterest"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFive" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFive"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFour" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFour"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearThree" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearThree"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LongTermDebtMaturitiesRepaymentsOfInterestRemainderOfFiscalYear" xlink:type="locator" xlink:label="biol_LongTermDebtMaturitiesRepaymentsOfInterestRemainderOfFiscalYear"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCarryingAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtInstrumentCarryingAmount" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterestRemainderOfFiscalYear" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearThree" order="10270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFour" order="10290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterestInYearFive" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="biol_LongTermDebtMaturitiesRepaymentsOfInterest" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | </link:presentationLink> |
| <link:roleRef roleURI="http://www.biolase.com/20190930/taxonomy/role/DisclosureLeasesAdditionalInformationDetail" xlink:href="biol-20190930.xsd#Role_DisclosureLeasesAdditionalInformationDetail" xlink:type="simple"/> |
| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureLeasesAdditionalInformationDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LeaseLiability" xlink:type="locator" xlink:label="biol_LeaseLiability"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LesseeOperatingLeaseInitialTermOfContract" xlink:type="locator" xlink:label="biol_LesseeOperatingLeaseInitialTermOfContract"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseDiscountRate" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseDiscountRate"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOnRetainedEarningsTax1" xlink:type="locator" xlink:label="us-gaap_CumulativeEffectOnRetainedEarningsTax1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiability"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_AdjustmentForDeferredRent" xlink:type="locator" xlink:label="biol_AdjustmentForDeferredRent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:type="locator" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201602Member"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:type="locator" xlink:label="us-gaap_TypeOfAdoptionMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:type="locator" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:type="locator" xlink:label="us-gaap_LesseeLeaseDescriptionTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LesseeLeaseDescriptionTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionTable" xlink:to="srt_RangeAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeAxis" xlink:to="srt_RangeMember" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_RangeMember" xlink:to="srt_MaximumMember" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionTable" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" order="10030.02" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_TypeOfAdoptionMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_AccountingStandardsUpdate201602Member" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionTable" xlink:to="us-gaap_LesseeLeaseDescriptionLineItems" order="10360.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" order="10510.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_OperatingLeaseLiability" order="10710.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_CumulativeEffectOnRetainedEarningsTax1" order="10750.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeOperatingLeaseDiscountRate" order="10790.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="biol_LesseeOperatingLeaseInitialTermOfContract" order="10860.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="biol_LeaseLiability" order="10930.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription" order="10950.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:type="locator" xlink:label="us-gaap_OperatingLeasePayments"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeasePayments" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiability"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LesseeOperatingLeaseLiabilityPaymentsDueThereafter" xlink:type="locator" xlink:label="biol_LesseeOperatingLeaseLiabilityPaymentsDueThereafter"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" order="10060.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" order="10080.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="biol_LesseeOperatingLeaseLiabilityPaymentsDueThereafter" order="10100.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" order="10120.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeaseLiability" order="10160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent" order="10200.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent" order="10220.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | </link:presentationLink> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureLeasesFutureMinimumRentalCommitmentsUnderLeaseAgreementsDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_OperatingLeasesFutureMinimumPaymentsDueInFourYearsAndThereafter" xlink:type="locator" xlink:label="biol_OperatingLeasesFutureMinimumPaymentsDueInFourYearsAndThereafter"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="biol_OperatingLeasesFutureMinimumPaymentsDueInFourYearsAndThereafter" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/> |
| | </link:presentationLink> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://www.biolase.com/20190930/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForLegalSettlements" xlink:type="locator" xlink:label="us-gaap_PaymentsForLegalSettlements"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:type="locator" xlink:label="us-gaap_GainLossRelatedToLitigationSettlement"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LitigationSettlementAmountInCashEqualToDifferenceBetweenValueOfStockConsideration" xlink:type="locator" xlink:label="biol_LitigationSettlementAmountInCashEqualToDifferenceBetweenValueOfStockConsideration"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencySettlementAgreementTerms" xlink:type="locator" xlink:label="us-gaap_LossContingencySettlementAgreementTerms"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_NumberOfDaysLitigationSettlementToBePaidInValueOfStockConsideration" xlink:type="locator" xlink:label="biol_NumberOfDaysLitigationSettlementToBePaidInValueOfStockConsideration"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LitigationSettlementSharesIssued" xlink:type="locator" xlink:label="biol_LitigationSettlementSharesIssued"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_NumberOfDaysLitigationSettlementSharesToBeIssued" xlink:type="locator" xlink:label="biol_NumberOfDaysLitigationSettlementSharesToBeIssued"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:type="locator" xlink:label="us-gaap_LitigationSettlementAmountAwardedToOtherParty"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_NumberOfDaysLitigationSettlementToBePaidInCash" xlink:type="locator" xlink:label="biol_NumberOfDaysLitigationSettlementToBePaidInCash"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencySettlementAgreementDate" xlink:type="locator" xlink:label="us-gaap_LossContingencySettlementAgreementDate"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_CommitmentAndContingenciesLineItems" xlink:type="locator" xlink:label="biol_CommitmentAndContingenciesLineItems"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_PatentLitigationMember" xlink:type="locator" xlink:label="biol_PatentLitigationMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:type="locator" xlink:label="us-gaap_LossContingencyNatureDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="locator" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SettledLitigationMember" xlink:type="locator" xlink:label="us-gaap_SettledLitigationMember"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_CommitmentAndContingenciesTable" xlink:type="locator" xlink:label="biol_CommitmentAndContingenciesTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:type="locator" xlink:label="us-gaap_SalesRevenueNetMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_ImagingSystemMember" xlink:type="locator" xlink:label="biol_ImagingSystemMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LaserSystemsMember" xlink:type="locator" xlink:label="biol_LaserSystemsMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:type="locator" xlink:label="srt_ProductsAndServicesDomain"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTable"/> |
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| | <link: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="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link: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="10640.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="10650.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" order="11160.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_EntityWideRevenueMajorCustomerNumber" xlink:type="locator" xlink:label="biol_EntityWideRevenueMajorCustomerNumber"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskLineItems"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:type="locator" xlink:label="us-gaap_SalesRevenueNetMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:type="locator" xlink:label="us-gaap_ProductConcentrationRiskMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTypeDomain"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
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| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:type="locator" xlink:label="us-gaap_RisksAndUncertaintiesAbstract"/> |
| | <link: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="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:loc xlink:href="biol-20190930.xsd#biol_PreferredStockConvertibleConversionPrice" xlink:type="locator" xlink:label="biol_PreferredStockConvertibleConversionPrice"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:type="locator" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesIssued"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_OptionToPurchaseAdditionalCommonStockGranted" xlink:type="locator" xlink:label="biol_OptionToPurchaseAdditionalCommonStockGranted"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:type="locator" xlink:label="us-gaap_SharesIssuedPricePerShare"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:type="locator" xlink:label="us-gaap_SubsequentEventLineItems"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_EximBankMember" xlink:type="locator" xlink:label="biol_EximBankMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_PacificMercantileBankMember" xlink:type="locator" xlink:label="biol_PacificMercantileBankMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAxis"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_LoanAgreementMember" xlink:type="locator" xlink:label="biol_LoanAgreementMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeriesEPreferredStockMember" xlink:type="locator" xlink:label="us-gaap_SeriesEPreferredStockMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:type="locator" xlink:label="us-gaap_PrivatePlacementMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:type="locator" xlink:label="us-gaap_OverAllotmentOptionMember"/> |
| | <link:loc xlink:href="biol-20190930.xsd#biol_UnderwrittenPublicOfferingMember" xlink:type="locator" xlink:label="biol_UnderwrittenPublicOfferingMember"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator" xlink:label="us-gaap_SubsidiarySaleOfStockAxis"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTable"/> |
| | <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:type="locator" xlink:label="us-gaap_SubsequentEventsAbstract"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventTable" order="10020.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsidiarySaleOfStockAxis" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_OverAllotmentOptionMember" order="10140.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" order="10340.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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