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        <CurrentTaxYearMinus2Years>882685</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>804854</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>618884</CurrentTaxYear>
        <Total>3308722</Total>
      </GiftsGrantsContribReceived509>
      <Total509>
        <CurrentTaxYearMinus4Years>350966</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>651333</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>882685</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>804854</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>618884</CurrentTaxYear>
        <Total>3308722</Total>
      </Total509>
      <AmtsRecdFromDisqualPersons>
        <CurrentTaxYearMinus4Years>277500</CurrentTaxYearMinus4Years>
        <CurrentTaxYear>250000</CurrentTaxYear>
        <Total>527500</Total>
      </AmtsRecdFromDisqualPersons>
      <AmtsFromSubstContributors>
        <Total>0</Total>
      </AmtsFromSubstContributors>
      <SupportFromDQPsEtc>
        <CurrentTaxYearMinus4Years>277500</CurrentTaxYearMinus4Years>
        <CurrentTaxYear>250000</CurrentTaxYear>
        <Total>527500</Total>
      </SupportFromDQPsEtc>
      <PublicSupportTotal509>2781222</PublicSupportTotal509>
      <GrossInvestmentIncome509>
        <CurrentTaxYearMinus4Years>10710</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>13748</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>21369</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>11239</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>5000</CurrentTaxYear>
        <Total>62066</Total>
      </GrossInvestmentIncome509>
      <InvestmentIncomeAndUBTI>
        <CurrentTaxYearMinus4Years>10710</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>13748</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>21369</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>11239</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>5000</CurrentTaxYear>
        <Total>62066</Total>
      </InvestmentIncomeAndUBTI>
      <OtherIncome509>
        <CurrentTaxYearMinus3Years>78467</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>78189</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>57199</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>34326</CurrentTaxYear>
        <Total>248181</Total>
      </OtherIncome509>
      <TotalSupportTotal>
        <CurrentTaxYearMinus4Years>361676</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>743548</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>982243</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>873292</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>658210</CurrentTaxYear>
        <Total>3618969</Total>
      </TotalSupportTotal>
      <PublicSupportPercentage509>0.76850</PublicSupportPercentage509>
      <PriorYearSupportPercentage>0.85310</PriorYearSupportPercentage>
      <InvestmentIncomePercentage>0.01720</InvestmentIncomePercentage>
      <PriorYrInvestIncomePercentage>0.02710</PriorYrInvestIncomePercentage>
      <ThirtyThreePercntTestsCY509>X</ThirtyThreePercntTestsCY509>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CurrentYear>
        <BeginningOfYearBalance>0</BeginningOfYearBalance>
        <Contributions>325050</Contributions>
        <InvestmentEarningsOrLosses>12</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>0</GrantsOrScholarships>
        <OtherExpenditures>0</OtherExpenditures>
        <AdministrativeExpenses>0</AdministrativeExpenses>
        <EndOfYearBalance>325062</EndOfYearBalance>
      </CurrentYear>
      <BoardDesignatedEOYBalance>1.00000</BoardDesignatedEOYBalance>
      <EndowmentsHeldByUnrelatedOrgs>0</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>0</EndowmentsHeldByRelatedOrgs>
      <Equipment>
        <OtherCostOrOtherBasis>403170</OtherCostOrOtherBasis>
        <Depreciation>246209</Depreciation>
        <BookValue>156961</BookValue>
      </Equipment>
      <TotalOfBookValueLandBuildings>156961</TotalOfBookValueLandBuildings>
      <OtherAssets>
        <Description>Due from affiliate</Description>
        <BookValue>428513</BookValue>
      </OtherAssets>
      <TotalBookValueOtherAssets>428513</TotalBookValueOtherAssets>
      <Form990ScheduleDPartXIV>
        <Identifier>Part V, Line 4:</Identifier>
        <ReturnReference>Description of Intended Use of Endowment Funds:</ReturnReference>
        <Explanation>Board designated - Functioning as Endowment net assets represent funds set aside by the MDSF Board of Trustees in furtherance of sustainable programs to improve access to dental care for needy and vulnerable populations in the Commonwealth of Massachusetts. These funds may only be used in accordance with the distribution policy adopted by the MDSF Board of Trustees.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <EventsInformation>
        <NameOfEvent1>GOLF TOURNAMENT</NameOfEvent1>
        <GrossReceiptsEvent1>92046</GrossReceiptsEvent1>
        <CharitableContributionsEvent1>22400</CharitableContributionsEvent1>
        <GrossRevenueEvent1>69646</GrossRevenueEvent1>
        <RentFacilityCostsEvent1>31209</RentFacilityCostsEvent1>
        <OtherDirectExpensesEvent1>5005</OtherDirectExpensesEvent1>
        <NameOfEvent2>YDC CHARITY EVENT</NameOfEvent2>
        <GrossReceiptsEvent2>23689</GrossReceiptsEvent2>
        <CharitableContributionsEvent2>12800</CharitableContributionsEvent2>
        <GrossRevenueEvent2>10889</GrossRevenueEvent2>
        <FoodAndBeverageEvent2>3504</FoodAndBeverageEvent2>
        <OtherDirectExpensesEvent2>6491</OtherDirectExpensesEvent2>
        <GrossReceiptsTotal>115735</GrossReceiptsTotal>
        <CharitableContributionsTotal>35200</CharitableContributionsTotal>
        <GrossRevenueTotalEvents>80535</GrossRevenueTotalEvents>
        <RentFacilityCostsTotalEvents>31209</RentFacilityCostsTotalEvents>
        <FoodAndBeverageTotalEvents>3504</FoodAndBeverageTotalEvents>
        <OtherDirectExpensesTotalEvents>11496</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>46209</DirectExpenseSummaryEvents>
        <NetIncomeSummary>34326</NetIncomeSummary>
      </EventsInformation>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <RecordsMaintained>1</RecordsMaintained>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>MOUNT WACHUSETT COMMUNITY COLLEGE</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>444 GREEN STREET</AddressLine1>
          <City>GARDNER</City>
          <State>MA</State>
          <ZIPCode>01440</ZIPCode>
        </AddressUS>
        <IRCSection>170(b)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>20000</AmountOfCashGrant>
        <PurposeOfGrant>dental hygiene program support</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>MINUTEMAN REGIONAL VOCATIONAL TECH SCHOOL</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>758 Marrett Road</AddressLine1>
          <City>LEXINGTON</City>
          <State>MA</State>
          <ZIPCode>02421</ZIPCode>
        </AddressUS>
        <IRCSection>170(b)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>30000</AmountOfCashGrant>
        <PurposeOfGrant>dental hygiene program support</PurposeOfGrant>
      </RecipientTable>
      <TotalNbrOf501C3AndGovtGrants>2</TotalNbrOf501C3AndGovtGrants>
      <Form990ScheduleIPartIV>
        <Identifier>Procedure for Monitoring Grants in the U.S.:</Identifier>
        <ReturnReference>Part I, Line 2:</ReturnReference>
        <Explanation>Schedule I, Part I, Line 2: These grants were to provide funding for a dental hygiene program at schools. The schools submit a report back to us on how the grant monies were spent.</Explanation>
      </Form990ScheduleIPartIV>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, line 11</Identifier>
        <Explanation>The form 990 is provided to the trustees before filing. The cfo of a related entity reviews the return prior to being filed.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, line 12c</Identifier>
        <Explanation>ALL BOARD MEMBERS SIGN THE CONFLICT OF INTEREST POLICY AND ANY CONFLICTS OF INTEREST ARE ANNOUNCED AT THE BEGINNING OF EACH BOARD MEETING.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990, Part VI, Section B, Line 15: An executive director is not compensated because oversight and financial support are provided by a related organization.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section C, line 19</Identifier>
        <Explanation>hard copies avaliable upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, line 2c</Identifier>
        <Explanation>The Board of trustees assumes responsibility for the oversight of the audit of its financial statements and selection of the independent accountant.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>massachusetts dental society</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>two willow street</AddressLine1>
          <City>southborough</City>
          <State>MA</State>
          <ZIPCode>01745</ZIPCode>
        </AddressUS>
        <EIN>041590155</EIN>
        <PrimaryActivities>promote &amp; advance the art &amp; science of dentistry &amp; interest of member dentis</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(c)(6)</ExemptCodeSection>
        <DirectControllingEntityName>
          <BusinessNameLine1>Massachusetts dental society</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>massachusetts dental society relief fund</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>two willow street</AddressLine1>
          <City>southborough</City>
          <State>MA</State>
          <ZIPCode>01745</ZIPCode>
        </AddressUS>
        <EIN>046139122</EIN>
        <PrimaryActivities>help dentists in need</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>Line 11a, I</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>massachusetts dental society</BusinessNameLine1>
        </DirectControllingEntityName>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>mds insurance services</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>two willow street suite 200</AddressLine1>
          <City>southborough</City>
          <State>MA</State>
          <ZIPCode>01745</ZIPCode>
        </AddressUS>
        <EIN>043432374</EIN>
        <PrimaryActivity>insurance agent</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>massachusetts dental society</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C</TypeOfEntity>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>1</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>massachusetts dental society</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>M</TransactionType>
        <AmountInvolved>128000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>massachusetts dental society</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>C</TransactionType>
        <AmountInvolved>158000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSachusetts dental society</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>P</TransactionType>
        <AmountInvolved>428513</AmountInvolved>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>