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        <ReportableCompFromRltdOrgAmt>96834</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVEN J POLLOCK</PersonNm>
        <TitleTxt>PRESIDENT &amp; DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>2442610</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>1419088</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES E COLLINS</PersonNm>
        <TitleTxt>TREASURER (1/18-4/18)</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1452634</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>711496</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY C BROWN</PersonNm>
        <TitleTxt>TREASURER (4/18-12/18)</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>577352</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17593</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID ABELMAN</PersonNm>
        <TitleTxt>CLERK</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1107857</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>651325</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GREGORY P WINN</PersonNm>
        <TitleTxt>ASSISTANT TREASURER - DSM</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>456467</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37236</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DENNIS J LEONARD</PersonNm>
        <TitleTxt>PRESIDENT - DELTA DENTAL</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>839618</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>410702</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT E LYNN</PersonNm>
        <TitleTxt>EVP-CHIEF SALES &amp; RETENTION DQ</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1095208</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>705614</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALAN L MADISON</PersonNm>
        <TitleTxt>EVP-CHIEF OPERATING OFFICER DQ</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>896802</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>275669</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TODD R CRUSE</PersonNm>
        <TitleTxt>EVP - PUBLIC AFFAIRS &amp; CARE</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>731655</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>370916</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHERYL LTAYLOR</PersonNm>
        <TitleTxt>EVP - HUMAN RESOURCES DQ</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>690834</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32273</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRETT A BOSTRACK</PersonNm>
        <TitleTxt>SVP - CLIENT &amp; PROVIDER ENG-DQ</TitleTxt>
        <AverageHoursPerWeekRt>4.5</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>35.5</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>656716</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>40954</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES P HAWKINS</PersonNm>
        <TitleTxt>CURR. VP &amp; DEP. GEN. COUNSEL</TitleTxt>
        <AverageHoursPerWeekRt>9.0</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>31.0</AverageHoursPerWeekRltdOrgRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>495578</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>34493</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>105832</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>12688759</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>4707359</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>true</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>GENTLE DENTAL ASSOCIATION LLC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>200 5TH AVENUE 3RD FLOOR</AddressLine1Txt>
            <CityNm>WALTHAM</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02451</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>DENTAL SERVICES</ServicesDesc>
        <CompensationAmt>13479844</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>GREAT HILL DENTAL PARTNERS LLC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1610 TREMONT STREET</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02120</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>dental services</ServicesDesc>
        <CompensationAmt>4994902</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>CHESTNUT DENTAL ASSOCIATES PC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>87 CHESTNUT ST</AddressLine1Txt>
            <CityNm>NEEDHAM</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02492</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>dental services</ServicesDesc>
        <CompensationAmt>4613632</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>PRESIDENT AND FELLOWS OF HARVARD CO</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>188 LONGWOOD AVENUE</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02115</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>dental services</ServicesDesc>
        <CompensationAmt>4135457</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>MASS GENERAL PHYSICIAN ORGANIZATION</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>MGH DENTAL GROUP 165 CAMBRIDGE ST N</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02114</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>dental services</ServicesDesc>
        <CompensationAmt>3155468</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1617</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>0</FundraisingAmt>
      <NoncashContributionsAmt>0</NoncashContributionsAmt>
      <TotalContributionsAmt>0</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>PPO REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>176868364</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>176868364</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PREMIER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>68157452</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>68157452</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ASO ADMINISTRATIVE SERVICES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>52447330</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>52447330</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>297473146</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>6857770</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>64195</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>6793575</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </RoyaltiesRevenueGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>159636416</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>157368084</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>2268332</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>2268332</TotalRevenueColumnAmt>
        <ExclusionAmt>2268332</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <FundraisingDirectExpensesAmt>0</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <GamingDirectExpensesAmt>0</GamingDirectExpensesAmt>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>306599248</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>297473146</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>64195</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>9061907</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>184221110</TotalAmt>
        <ProgramServicesAmt>184221110</ProgramServicesAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>105832</TotalAmt>
        <ProgramServicesAmt>105832</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>44054343</TotalAmt>
        <ProgramServicesAmt>33040757</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11013586</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>208943</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>208943</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>0</TotalAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>982194</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>982194</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
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      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
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        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>9184</TotalAmt>
        <ProgramServicesAmt>5510</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3674</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>76161</TotalAmt>
        <ProgramServicesAmt>45697</ProgramServicesAmt>
        <ManagementAndGeneralAmt>30464</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>15183644</TotalAmt>
        <ProgramServicesAmt>9110186</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6073458</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>12523228</TotalAmt>
        <ProgramServicesAmt>7513937</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5009291</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>COMMISSIONS</Desc>
        <TotalAmt>11644797</TotalAmt>
        <ProgramServicesAmt>11644797</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SUBSCRIPTIONS AND DUES</Desc>
        <TotalAmt>167424</TotalAmt>
        <ProgramServicesAmt>100454</ProgramServicesAmt>
        <ManagementAndGeneralAmt>66970</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ACA FEE &amp; OTHER</Desc>
        <TotalAmt>5347243</TotalAmt>
        <ProgramServicesAmt>5347243</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>274524103</TotalAmt>
        <ProgramServicesAmt>251135523</ProgramServicesAmt>
        <ManagementAndGeneralAmt>23388580</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <TotalJointCostsGrp>
        <TotalAmt>0</TotalAmt>
      </TotalJointCostsGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CashNonInterestBearingGrp>
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        <ExplanationTxt>ASC 740 DISCLOSURE (FIN 48) THERE IS NO FIN 48/ASC 740 FOOTNOTE. HOWEVER, THE FOLLOWING DISCLOSURE WAS MADE: THE COMPANY DETERMINES WHETHER A TAX POSITION OF THE COMPANY IS MORE LIKLEY THAN NOT TO BE SUSTAINED UPON EXAMINATION, INCLUDING RESOLUTION OF ANY RELATED APPEALS OF LITIGATION PROCESSES, BASED ON THE TECHNICAL MERITS OF THE POSITION. FOR TAX POSITIONS MEETING THE MORE LIKLEY THAN NOT THRESHOLD, THE TAX AMOUNT RECOGNIZED IN THE FINANCIAL STATEMENTS IS REDUCED BY THE LARGEST BENEFIT THAT HAS A GREATER THAN FIFTY PERCENT LIKELIHOOD OF BEING REALIZED UPON THE ULTIMATE SETTLEMENT WITH THE RELEVANT TAXING AUTHORITY.</ExplanationTxt>
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        <TotalCompensationRltdOrgsAmt>1102571</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SHERYL LTAYLOR</PersonNm>
        <TitleTxt>EVP - HUMAN RESOURCES DQ</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>301499</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>138804</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>250531</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>30609</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>1664</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>723107</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>250531</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRETT A BOSTRACK</PersonNm>
        <TitleTxt>SVP - CLIENT &amp; PROVIDER ENG-DQ</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>290904</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>97301</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>268511</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>38724</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>2230</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>697670</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>268511</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMES P HAWKINS</PersonNm>
        <TitleTxt>CURR. VP &amp; DEP. GEN. COUNSEL</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>262881</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>58260</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>174437</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>32575</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>1918</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>530071</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>174437</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SUPPLEMENTAL COMPENSATION INFORMATION</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART I, QUESTION 1A THE CHIEF EXECUTIVE OFFICER/PRESIDENT MAY TRAVEL FIRST CLASS FOR ALL BUSINESS FLIGHTS. ALL OTHER OFFICERS OF A SR. VICE PRESIDENT LEVEL OR GREATER MAY TRAVEL FIRST CLASS ON DOMESTIC FLIGHTS OF FOUR HOURS OR GREATER OF CONTINUOUS DURATION. ALL BUSINESS RELATED TRAVEL IS NOT TAXED TO THE EMPLOYEE. SOCIAL CLUB DUES, IF ANY, ARE PAID ONLY WHEN THEY ARE BUSINESS IN NATURE. BECAUSE THESE DUES ARE RELATED, ANY DUES ARE NOT TREATED AS TAXABLE INCOME TO THE INDIVIDUAL. THE ABOVE ITEMS WERE PAID THROUGH DENTAQUEST, LLC, A RELATED ORGANIZATION. Severance Payment Schedule J, Part I, Question 4a James E. Collins received severance in the amount of $230,264. This amount is included in James E. Collins' compensation on Schedule J, Part II.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>COMPENSATION CONTINGENT ON REVENUE</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART I, QUESTION 5 DENTAQUEST, LLC SPONSORS A TARGET INCENTIVE PLAN THAT ALLOWS PARTICIPANTS ANNUALLY TO EARN A THRESHOLD, TARGET OR SUPERIOR INCENTIVE (AS A PERCENT OF THEIR BASE SALARY). THE ACTUAL INCENTIVE TO BE AWARDED IS BASED ON THE ACHIEVEMENT OF PERFORMANCE GOALS THAT ARE SET AT THE BEGINNING OF THE YEAR BY THE COMPENSATION COMMITTEE AS PART OF THE ORGANIZATION'S EXECUTIVE COMPENSATION PHILOSOPHY AND PAY-FOR-PERFORMANCE PHILOSOPHY. AMONG THE PERFORMANCE GOALS ARE A REVENUE GOAL, A NET INCOME GOAL AND A MEMBERSHIP GOAL. EACH PARTICIPANT IN THE TARGET INCENTIVE PLAN HAS A MAXIMUM INCENTIVE THAT CAN BE EARNED REGARDLESS OF THE ATTAINMENT OF THE REVENUE, NET INCOME AND/OR MEMBERSHIP GOALS. THE MAXIMUM INCENTIVE OPPORTUNITY FOR EACH PARTICIPANT IS SET SO THAT THE PARTICIPANT'S TOTAL POSSIBLE COMPENSATION IS REASONABLE FOR PURPOSES OF INTERMEDIATE SANCTIONS, SECTION 4958 OF THE INTERNAL REVENUE CODE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>COMPENSATION CONTINGENT ON NET EARNINGS</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART I, QUESTIONS 6 &amp; 7 NON-FIXED PAYMENTS: THE COMPANY PROVIDES ANNUAL INCENTIVE BONUSES TO MANAGEMENT EMPLOYEES THAT ARE CALCULATED BASED ON THE PERFORMANCE OF THE COMPANY AND THE INDIVIDUAL EMPLOYEE. THE PROCESS TO ESTABLISH THE PRESUMPTION THAT COMPENSATION PAID TO THE ORGANIZATION'S CEO AND OTHER TOP MANAGEMENT WAS REASONABLE AS DESCRIBED IN SECTION 4958. THE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS APPROVES THE OVERALL ANNUAL INCENTIVE BONUS POOL AND REVIEWS AND APPROVES COMPENSATION RELEVANT TO EXECUTIVE OFFICERS REPORTING TO THE COMPANY'S CEO. THE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS REVIEWS AND MAKES RECOMMENDATIONS TO THE BOARD OF DIRECTORS ON COMPENSATION MATTERS FOR THE COMPANY'S CEO. THE BOARD OF DIRECTORS APPROVES THE COMPENSATION OF THE COMPANY'S CEO. LONG-TERM INCENTIVE COMPENSATION: THE FOLLOWING DSM AND DENTAQUEST, LLC EMPLOYEES PARTICIPATE IN THE DENTAQUEST, LLC LONG-TERM INCENTIVE COMPENSATION PLAN AND RECEIVED THE PAYMENTS LISTED BELOW DURING 2018: STEVEN J. POLLOCK $986,428 JAMES E. COLLINS $727,504 JEFFREY C. BROWN $174,055 DAVID ABELMAN $497,828 GREGORY P. WINN $173,944 DENNIS LEONARD $399,429 ROBERT E. LYNN $535,683 SHERYL TRAYLOR $250,531 ALAN L. MADISON $408,000 BRETT A. BOSTRACK $268,511 TODD CRUISE $222,427 LONG-TERM INCENTIVE COMPENSATION PLAN PAYMENTS ARE BASED ON THE VALUATION OF THE COMPANY, DENTAQUEST, LLC, AND ARE PAID OUT OVER A FIVE YEAR PERIOD. PAYMENTS ARE MADE ANNUALLY AND PARTICIPANTS RECEIVE PAYOUTS FOR ALL VESTED BALANCES. THE ELIGIBLE LISTED EMPLOYEES OVER $250,000 AS OF 12/31/2018 PARTICIPATE IN A 457(B) SUPPLEMENTAL RETIREMENT PLAN. OF THOSE ELIGIBLE EMPLOYEES, NO ONE RECEIVED ANY PAYMENTS IN 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART II</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION PAID BY RELATED ORGANIZATION: SCHEDULE J, PART II INCLUDES INDIVIDUALS THAT ARE PAID BY DENTAQUEST, LLC, A RELATED ORGANIZATION, BUT PERFORM SERVICES FOR BOTH DENTAQUEST, LLC AND DENTAL SERVICE OF MASSACHUSETTS, INC., THE FILING ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BONUS PAYMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART II, COLUMN B(II) COLUMN B(II) ON SCHEDULE J PART II INCLUDES BONUSES EARNED AND ACCRUED DURING 2017, BUT PAID IN 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>OTHER REPORTABLE COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART II, COLUMN B(III) COLUMN B(III) OTHER REPORTABLE COMPENSATION REPRESENTS LONG-TERM INCENTIVE COMPENSATION EXPENSE EARNED PRIOR TO 2018, BUT PAID DURING 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>DEFERRED COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE J, PART II, COLUMN C COLUMN C ON SCHEDULE J PART II INCLUDES LONG-TERM INCENTIVE COMPENSATION AND PENSION AMOUNTS EARNED DURING 2018 BUT PAID IN FUTURE YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>SEE PART V</PersonNm>
        </NameOfInterested>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEUDLE L, PART IV: BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS</FormAndLineReferenceDesc>
        <ExplanationTxt>(A) NAME OF INTERESTED PERSON: LECLAIR DENTAL, LLC (B) RELATIONSHIP: DONALD LECLAIR, A dsm BOARD MEMBER REPORTED ON PART VII, IS THE SOLE OWNER OF LECLAIR DENTAL LLC. (C) AMOUNT OF TRANSACTION: $267,591 (D) DESCRIPTION OF TRANSACTION: DENTAL CLAIMS (E) SHARING OF ORGANIZATION'S REVENUE: THERE IS NO SHARING OF REVENUE'S BETWEEN dsm AND LECLAIR DENTAL, LLC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleN documentId="IRS990ScheduleN">
      <LiquidationOfAssetsTableGrp referenceDocumentId="BinaryAttach" />
      <DispositionOfAssetsDetail>
        <AssetsDistriOrExpnssPaidDesc>investment in subsidaries</AssetsDistriOrExpnssPaidDesc>
        <FairMarketValueOfAssetAmt>334497840</FairMarketValueOfAssetAmt>
        <MethodOfFMVDeterminationTxt>bookvalue</MethodOfFMVDeterminationTxt>
        <EIN>384016550</EIN>
        <PersonNm>catalyst institute inc</PersonNm>
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          <AddressLine1Txt>465 Medford street</AddressLine1Txt>
          <CityNm>boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <IRCSectionTxt>501(C)(4)</IRCSectionTxt>
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      <DirectorOfSuccessor2Ind>false</DirectorOfSuccessor2Ind>
      <EmployeeOfSuccessor2Ind>false</EmployeeOfSuccessor2Ind>
      <OwnerOfSuccessor2Ind>false</OwnerOfSuccessor2Ind>
      <ReceiveCompensation2Ind>false</ReceiveCompensation2Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule N, Part II, Line 2a</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization transferred assets to its sole member, catalyst Institute, Inc. The organization and its sole member have the same board of directors.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleN>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III - PROGRAM SERVICE, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>AND RESEARCH; AND EDUCATE THE PUBLIC CONCERNING THE IMPORTANCE OF ORAL HEALTH. DELTA DENTAL OF MASSACHUSETTS, INC. IS A MEMBER OF THE DELTA DENTAL PLANS ASSOCIATION. DELTA DENTAL IS AMERICA'S LARGEST AND MOST TRUSTED DENTAL BENEFITS CARRIER, COVERING MORE AMERICANS THAN ANY OTHER DENTAL BENEFITS PROVIDER AND STRIVES DAILY TO MAKE DENTAL COVERAGE MORE ACCESSIBLE AND AFFORDABLE TO A WIDE VARIETY OF EMPLOYERS, GROUPS AND INDIVIDUALS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BUSINESS RELATIONSHIPS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 2 STEVEN J. POLLOCK, JEFFREY C. BROWN, DAVID ABELMAN, GREGORY P. WINN, PAMELA D.A. REEVE, DR. ANDREW AGWUNOBI, COLLEEN D. BALDWIN, KATHLEEN V. BETTS, CASWELL A. EVANS JR., THOMAS J. GALLIGAN III, LINDA J. HALL, DONALD J. KENNEY, RODERICK K. KING, TODD W. MARSHALL, EVELYN H. MILLER, MARY V. KAPLAN AND ROBERT J. WEYANT, HAVE A BUSINESS RELATIONSHIP SINCE THEY JOINTLY SERVE AS OFFICERS OR DIRECTORS OF THE ORGANIZATION, IT'S PARENT AND ONE OR MORE of ITS SUBSIDIARIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>DELEGATE CONTROL OVER MANAGEMENT DUTIES</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 3 THE COMPANY HIRES DENTAQUEST, LLC (A RELATED PARTY) TO PROVIDE MANAGEMENT SERVICES. Significant Changes to Governing Documents Form 990, Part VI, Line 4 The organization amended its governing documents to allow a new parent entity to be its sole member. The organization's exempt activities have otherwise not changed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>MEMBERS OR STOCKHOLDERS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 6 Catalyst Institute, Inc. is the sole member of Dental Services of Massachusetts, Inc.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>MEMBERSHIP RIGHTS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 7A THE MEMBER OF THE ORGANIZATION ELECTs THE DIRECTORS AT THE ANNUAL MEETING OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>GOVERNANCE</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, QUESTION 7B A QUORUM OF THE ORGANIZATION'S MEMBERS MAY VOTE TO AMEND OR REPEAL THE BY-LAWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>REVIEW PROCESS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, QUESTION 11B THE AUDIT COMMITTEE, A COMMITTEE OF THE DSM BOARD OF DIRECTORS, REVIEWS A FINAL FORM OF THE FORM 990 PRIOR TO ACTUAL FILING. MEMBERS OF THE EXTERNAL TAX FIRM (CURRENTLY ERNST &amp; YOUNG U.S., LLP) INITIALLY DISCUSS, PREPARE AND REVIEW THE RETURN WITH MANAGEMENT. MANAGEMENT AND STAFF REVIEW THE 990 FOR ACCURACY AND COMPLETENESS AND PROVIDE COMMENTS TO THE PREPARER. ONCE THE RETURN IS FULLY ANALYZED AND PREPARED, A PAPER COPY IS DISTRIBUTED TO THE AUDIT COMMITTEE MEMBERS IN ADVANCE OF A SPECIFIC MEETING. AUDIT COMMITTEE MEMBERS REVIEW THE DRAFT FORM 990 AND THEN SEND TO THE FULL BOARD. A COPY OF THE FINAL FORM 990 IS SENT TO THE FULL BOARD AND OFFICERS BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CONFLICTS OF INTEREST</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLIC DISCLOSURE FORM 990, PART VI, QUESTION 12C MONITORING THE ORGANIZATION'S CONFLICT OF INTEREST POLICY PROVIDES THAT ANNUALLY, EACH DIRECTOR, PRINCIPAL OFFICER AND MEMBER OF A COMMITTEE WITH GOVERNING BOARD DELEGATED POWERS SHALL SIGN A QUESTIONNAIRE AFFIRMING THAT SUCH PERSON RECEIVED A COPY OF THE CONFLICT OF INTEREST POLICY, READ AND UNDERSTANDS THE POLICY AND AGREES TO COMPLY WITH THE POLICY. ADDITIONALLY, THE SIGNED QUESTIONNAIRE AFFIRMS THAT THE PERSON UNDERSTANDS DENTAL SERVICE OF MASSACHUSETTS, INC. IS A CHARITABLE ORGANIZATION AND THAT IN ORDER TO MAINTAIN ITS TAX-EXEMPT STATUS, DENTAL SERVICE OF MASSACHUSETTS MUST ENGAGE IN ACTIVITIES WHICH ACCOMPLISH ONE OR MORE OF ITS TAX-EXEMPT PURPOSES. ENFORCEMENT IF THE GOVERNING BOARD OR COMMITTEE HAS REASONABLE CAUSE TO BELIEVE A BOARD OR COMMITTEE MEMBER ("MEMBER") HAS FAILED TO DISCLOSE ACTUAL OR POSSIBLE CONFLICTS OF INTEREST, IT SHALL INFORM THE MEMBER OF THE BASIS FOR SUCH BELIEF AND AFFORD THE MEMBER AN OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. IF, AFTER HEARING THE MEMBER'S RESPONSE AND AFTER MAKING FURTHER INVESTIGATION AS WARRANTED BY THE CIRCUMSTANCES, THE GOVERNING BOARD OR COMMITTEE DETERMINES THE MEMBER HAS FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, IT SHALL TAKE APPROPRIATE DISCIPLINARY AND CORRECTIVE ACTION. WHO IS COVERED? THE ORGANIZATION'S CONFLICT OF INTEREST POLICY COVERS EACH DIRECTOR, PRINCIPAL OFFICER AND MEMBERS OF A COMMITTEE WITH GOVERNING BOARD DELEGATED POWERS. LEVEL OF DETERMINATION AND REVIEW OF CONFLICTS IN CONNECTION WITH ANY ACTUAL OR POSSIBLE CONFLICT OF INTEREST, AN INTERESTED PERSON MUST DISCLOSE THE EXISTENCE OF THE FINANCIAL INTEREST AND BE GIVEN THE OPPORTUNITY TO DISCLOSE ALL MATERIAL FACTS TO THE DIRECTORS AND MEMBERS OF COMMITTEES WITH GOVERNING BOARD DELEGATED POWERS CONSIDERING THE PROPOSED TRANSACTION OR ARRANGEMENT. AFTER PRESENTATION OF A POTENTIAL TRANSACTION OR ARRANGEMENT IS MADE BY AN INTERESTED PERSON, THE REMAINING DISINTERESTED BOARD OR COMMITTEE MEMBERS SHALL DECIDE IF A CONFLICT OF INTEREST EXISTS. THE CHAIRPERSON OF THE GOVERNING BOARD OR COMMITTEE SHALL, IF APPROPRIATE, APPOINT A DISINTERESTED PERSON OR COMMITTEE TO INVESTIGATE ALTERNATIVES TO THE TRANSACTION OR ARRANGEMENT IN QUESTION. AFTER EXERCISING DUE DILIGENCE, THE GOVERNING BOARD OR COMMITTEE SHALL DETERMINE IF DENTAL SERVICE OF MASSACHUSETTS CAN OBTAIN, WITH REASONABLE EFFORTS, A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT FROM A PERSON OR ENTITY THAT WOULD NOT GIVE RISE TO A CONFLICT OF INTEREST. IF A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT IS NOT REASONABLY POSSIBLE UNDER CIRCUMSTANCES NOT PRODUCING A CONFLICT OF INTEREST, THE GOVERNING BOARD OR COMMITTEE SHALL DETERMINE BY A MAJORITY VOTE OF THE DISINTERESTED DIRECTORS WHETHER THE TRANSACTION OR ARRANGEMENT IS IN THE ORGANIZATION'S BEST INTEREST, FOR ITS OWN BENEFIT AND WHETHER IT IS FAIR AND REASONABLE. IN CONFORMITY WITH THE ABOVE DETERMINATION, THE GOVERNING BOARD OR COMMITTEE SHALL MAKE ITS DECISION AS TO WHETHER TO ENTER INTO THE TRANSACTION OR ARRANGEMENT. RESTRICTIONS PLACED ON CONFLICTED PERSONS IN CONNECTION WITH ANY ACTUAL OR POSSIBLE CONFLICT OF INTEREST, AN INTERESTED PERSON MUST DISCLOSE THE EXISTENCE OF THE FINANCIAL INTEREST AND BE GIVEN THE OPPORTUNITY TO DISCLOSE ALL MATERIAL FACTS TO THE DIRECTORS AND MEMBERS OF COMMITTEES WITH GOVERNING BOARD DELEGATED POWERS CONSIDERING THE PROPOSED TRANSACTION OR ARRANGEMENT. AFTER DISCLOSURE OF THE FINANCIAL INTEREST AND ALL MATERIAL FACTS, AND AFTER ANY DISCUSSION WITH THE INTERESTED PERSON, HE/SHE SHALL LEAVE THE GOVERNING BOARD OR COMMITTEE MEETING WHILE THE DETERMINATION OF A CONFLICT OF INTEREST IS DISCUSSED AND VOTED UPON. THE REMAINING BOARD OR COMMITTEE MEMBERS SHALL DECIDE IF A CONFLICT OF INTEREST EXISTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>COMPENSATION POLICY</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, QUESTION 15A &amp; B THE PROCESS FOR DETERMINING COMPENSATION FOR THE ORGANIZATION'S CEO AND OTHER TOP MANAGEMENT IS MODELED AFTER THE REQUIREMENTS IN THE INTERNAL REVENUE CODE SECTION 4958 TO ESTABLISH THE REBUTTABLE PRESUMPTION OF REASONABLE COMPENSATION. COMPENSATION IS REVIEWED AND APPROVED BY A COMPENSATION COMMITTEE ("THE COMMITTEE") OF THE BOARD, WHICH IS COMPRISED OF INDEPENDENT PERSONS, ON AN ANNUAL BASIS. THE COMMITTEE ENGAGED AN INDEPENDENT COMPENSATION CONSULTANT, WHICH PRESENTED TO THE COMMITTEE COMPARABLE MARKET DATA FROM PUBLISHED SURVEYS AND FORMS 990 OF COMPARABLE ORGANIZATIONS TO ASSIST IN EVALUATING THE COMPENSATION FOR EACH INDIVIDUAL. THE COMMITTEE CONDUCTED A REVIEW OF THIS COMPARABILITY DATA AND DOCUMENTED ITS DELIBERATIONS AND DISCUSSIONS IN MINUTES THAT ARE RETAINED WITH OTHER GOVERNANCE RECORDS OF THE ORGANIZATION. THE COMMITTEE FOLLOWED THE PROCESS TO ESTABLISH THE PRESUMPTION THAT COMPENSATION PAID TO THE ORGANIZATION'S CEO AND OTHER TOP MANAGEMENT WAS REASONABLE FOR PURPOSES OF SECTION 4958 BY RELYING ON PROFESSIONAL ADVICE IN A WRITTEN OPINION OF REASONABLENESS FROM INDEPENDENT COMPENSATION CONSULTANT. THE COMMITTEE INFORMS THE BOARD OF ITS DECISIONS AT THE NEXT BOARD MEETING. tHIS PROCESS WAS LAST COMPLETED IN FEBRUARY 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PUBLIC DISCLOSURE</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, QUESTION 19 WE FILE A MASSACHUSETTS FORM PC WITH AN ATTACHED FORM 990. THE FORM PC IS FILED WITH THE ATTORNEY GENERAL'S OFFICE AND IS AVAILABLE FOR INSPECTION BY ANY OF THE INTERESTED PUBLIC. THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, ARTICLES OF INCORPORATION AND BYLAWS ARE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>OTHER CHANGES IN NET ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>PART XI, LINE 9 EQUITY IN SUBSIDIARIES 1,844,376 CHANGE IN INTEREST SWAP (1,201,644) CHANGE IN VALUE DUE TO CATALYST INSTITUTE, INC. (327,497,840) DISTRIBUTIONS TO CATALYST INSTITUTE, INC. (7,000,000) TOTAL OTHER CHANGES IN NET ASSETS (333,855,108)</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ADVANTAGE DENTAL CLINICS LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>442 SW Umatilla Ave</AddressLine1Txt>
          <CityNm>Redmond</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97756</ZIPCd>
        </USAddress>
        <EIN>270364023</EIN>
        <PrimaryActivitiesTxt>Care Delivery</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>OR</LegalDomicileStateCd>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>ACHC LLC</BusinessNameLine1Txt>
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      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Advantage Dental Support Group LLC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>442 SW Umatilla Ave</AddressLine1Txt>
          <CityNm>Redmond</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97756</ZIPCd>
        </USAddress>
        <EIN>260859755</EIN>
        <PrimaryActivitiesTxt>Care Delivery</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>OR</LegalDomicileStateCd>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>ACHC LLC</BusinessNameLine1Txt>
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      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Advantage Member Benefits Co LLC</BusinessNameLine1Txt>
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          <AddressLine1Txt>442 SW Umatilla Ave</AddressLine1Txt>
          <CityNm>Redmond</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97756</ZIPCd>
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        <PrimaryActivitiesTxt>CARE DELIVERY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>OR</LegalDomicileStateCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ADVANTAGE DENTAL PLAN INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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          <AddressLine1Txt>442 SW UMATILLA AVE</AddressLine1Txt>
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          <ZIPCd>97756</ZIPCd>
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        <PrimaryActivitiesTxt>CARE DELIVERY</PrimaryActivitiesTxt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>dentaquest impact inc</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>465 Medford Street</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>832714016</EIN>
        <PrimaryActivitiesTxt>oral hth impr</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>na</BusinessNameLine1Txt>
        </DirectControllingEntityName>
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        <ShareOfEOYAssetsAmt>0</ShareOfEOYAssetsAmt>
        <OwnershipPct>0.00000</OwnershipPct>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>true</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DENTAQUEST INSTITUTE INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>3155000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DENTAQUEST GROUP INC &amp; SUBSIDIARIES</BusinessNameLine1Txt>
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        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>55267103</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DENTAQUESTION FOUNDATION INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>51487</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DENTAQUEST INSTITUTE INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>183256</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>