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        <EOY>45364</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>770179</BOY>
        <EOY>1183895</EOY>
      </UnrestrictedNetAssets>
      <TemporarilyRestrictedNetAssets>
        <BOY>511571</BOY>
        <EOY>431008</EOY>
      </TemporarilyRestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>1281750</BOY>
        <EOY>1614903</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>1320885</BOY>
        <EOY>1660267</EOY>
      </TotalLiabNetAssetsFundBalances>
      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>317019</ReconcilationRevenueExpenses>
      <ReconcilationOtherChanges>16134</ReconcilationOtherChanges>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>0</AccountantCompileOrReview>
      <FSAudited>1</FSAudited>
      <AuditCommittee>1</AuditCommittee>
      <FinancialStatementConsolidated>X</FinancialStatementConsolidated>
      <FederalGrantAuditRequired>0</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SupportingOrganization509a3>X</SupportingOrganization509a3>
      <SupportingOrg509a3Type3FuncInt>X</SupportingOrg509a3Type3FuncInt>
      <ContribByControllingIndividual>0</ContribByControllingIndividual>
      <ContributionByRelatedParty>0</ContributionByRelatedParty>
      <ContribBy35ControlledEntity>0</ContribBy35ControlledEntity>
      <SupportedOrgInformation>
        <Name>
          <BusinessNameLine1>MASSACHUSETTS DENTAL SOCIETY</BusinessNameLine1>
        </Name>
        <EIN>041590155</EIN>
        <TypeOfOrganization>501(C)(6)</TypeOfOrganization>
        <ListedInGoverningDoc>1</ListedInGoverningDoc>
        <SupportedOrganizationNotified>1</SupportedOrganizationNotified>
        <OrganizedInUS>1</OrganizedInUS>
        <Amount>325918</Amount>
      </SupportedOrgInformation>
      <TotalNumberOfSupportedOrgs>1</TotalNumberOfSupportedOrgs>
      <SumOfAmounts>325918</SumOfAmounts>
    </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>325062</BeginningOfYearBalance>
        <Contributions>325918</Contributions>
        <InvestmentEarningsOrLosses>8456</InvestmentEarningsOrLosses>
        <EndOfYearBalance>659436</EndOfYearBalance>
      </CurrentYear>
      <CurrentYearMinus1Year>
        <BeginningOfYearBalance>0</BeginningOfYearBalance>
        <Contributions>325050</Contributions>
        <InvestmentEarningsOrLosses>12</InvestmentEarningsOrLosses>
        <EndOfYearBalance>325062</EndOfYearBalance>
      </CurrentYearMinus1Year>
      <BoardDesignatedEOYBalance>1.00000</BoardDesignatedEOYBalance>
      <EndowmentsHeldByUnrelatedOrgs>0</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>0</EndowmentsHeldByRelatedOrgs>
      <Equipment>
        <InvestmentCostOrOtherBasis>4375</InvestmentCostOrOtherBasis>
        <Depreciation>4375</Depreciation>
        <BookValue>0</BookValue>
      </Equipment>
      <TotalOfBookValueLandBuildings>0</TotalOfBookValueLandBuildings>
      <OtherAssets>
        <Description>DUE FROM AFFILIATE</Description>
        <BookValue>700500</BookValue>
      </OtherAssets>
      <TotalBookValueOtherAssets>700500</TotalBookValueOtherAssets>
      <Form990ScheduleDPartXIV>
        <Explanation>PART V, LINE 3: BOARD DESIGNATED - FUNCTIONING AS ENDOWMENT NET ASSETS REPESENT 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>
      <Form990ScheduleDPartXIV>
        <Explanation>MDSF FOLLOWS THE ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES STANDARD WHICH REQUIRES MDSF TO REPORT UNCERTAIN TAX POSITIONS, RELATED INTEREST AND PENALTIES, AND TO ADJUST THEIR ASSETS AND LIABILITIES RELATED TO UNRECOGNIZED TAX BENEFITS AND ACCRUED INTEREST AND PENALTIES ACCORDINGLY. AS OF APRIL 30, 2011, MDSF DETERMINED THAT THERE ARE NO MATERIAL UNRECOGNIZED TAX BENEFITS TO REPORT.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <EventsInformation>
        <NameOfEvent1>GOLF TOURNAMENT</NameOfEvent1>
        <GrossReceiptsEvent1>98727</GrossReceiptsEvent1>
        <CharitableContributionsEvent1>33827</CharitableContributionsEvent1>
        <GrossRevenueEvent1>64900</GrossRevenueEvent1>
        <RentFacilityCostsEvent1>20618</RentFacilityCostsEvent1>
        <FoodAndBeverageEvent1>12237</FoodAndBeverageEvent1>
        <OtherDirectExpensesEvent1>12035</OtherDirectExpensesEvent1>
        <GrossReceiptsTotal>98727</GrossReceiptsTotal>
        <CharitableContributionsTotal>33827</CharitableContributionsTotal>
        <GrossRevenueTotalEvents>64900</GrossRevenueTotalEvents>
        <RentFacilityCostsTotalEvents>20618</RentFacilityCostsTotalEvents>
        <FoodAndBeverageTotalEvents>12237</FoodAndBeverageTotalEvents>
        <OtherDirectExpensesTotalEvents>12035</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>44890</DirectExpenseSummaryEvents>
        <NetIncomeSummary>20010</NetIncomeSummary>
      </EventsInformation>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <RecordsMaintained>1</RecordsMaintained>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>VOLUNTEERS IN MEDICINE BERKSHIRES INC</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>777 MAIN STREET SUITE 4</AddressLine1>
          <City>GREAT BARRINGTON</City>
          <State>MA</State>
          <ZIPCode>01230</ZIPCode>
        </AddressUS>
        <EINOfRecipient>900140004</EINOfRecipient>
        <IRCSection>170(B)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>20000</AmountOfCashGrant>
        <PurposeOfGrant>INCREASE ACCESS TO DENTAL CARE</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>HEALTHFIRST FAMILY CARE CENTER INC</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>102 COUNTY STREET</AddressLine1>
          <City>FALL RIVER</City>
          <State>MA</State>
          <ZIPCode>02723</ZIPCode>
        </AddressUS>
        <EINOfRecipient>042503444</EINOfRecipient>
        <IRCSection>170(B)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>20000</AmountOfCashGrant>
        <PurposeOfGrant>INCREASE NUMBER OF DENTAL OPERATORIES</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>GREATER LAWRENCE FAMILY HEALTH CENTER</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>34 HAVERHILL STREET</AddressLine1>
          <City>LAWRENCE</City>
          <State>MA</State>
          <ZIPCode>01841</ZIPCode>
        </AddressUS>
        <EINOfRecipient>042708824</EINOfRecipient>
        <IRCSection>170(B)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>20911</AmountOfCashGrant>
        <PurposeOfGrant>INCREASED ACCESS TO DENTAL CARE AND EDUCATION TO PREGNANT WOMEN</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>BOSTON HEALTHCARE FOR THE HOMELESS</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>780 ALBANY STREET</AddressLine1>
          <City>BOSTON</City>
          <State>MA</State>
          <ZIPCode>02118</ZIPCode>
        </AddressUS>
        <EINOfRecipient>222599662</EINOfRecipient>
        <IRCSection>170(B)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>20000</AmountOfCashGrant>
        <PurposeOfGrant>TREATMENT FOR HOMELESS INDIVIDUALS</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>CARING HEALTH CENTER INC</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>1145 MAIN STREET SUITE 205</AddressLine1>
          <City>SPRINGFIELD</City>
          <State>MA</State>
          <ZIPCode>01103</ZIPCode>
        </AddressUS>
        <EINOfRecipient>042620040</EINOfRecipient>
        <IRCSection>170(B)(1)(A)(V)</IRCSection>
        <AmountOfCashGrant>25000</AmountOfCashGrant>
        <PurposeOfGrant>OUTREACH AND EDUCATION TO DIVERSE AND MULTICULTURAL POPULATION</PurposeOfGrant>
      </RecipientTable>
      <TotalNbrOf501C3AndGovtGrants>5</TotalNbrOf501C3AndGovtGrants>
      <Form990ScheduleIPartIV>
        <Identifier>OTHER INFORMATION:</Identifier>
        <ReturnReference>PART IV:</ReturnReference>
        <Explanation>SCHEDULE I, PART I, LINE 2: THESE GRANTS WERE TO PROVIDE FUNDING FOR A VARIETY OF DENTAL HYGIENE INITIATIVES. THE ORGANIZATIONS SUBMIT A REPORT BACK TO MASSACHUSETTS DENTAL SOCIETY FOUNDATION 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>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ALL BOARD MEMBERS SIGN THE CONFLICT OF INTEREST POLICY AND ANY CONFLICTS OF INTEREST ARE ANNOUNCED AT THE BEGINNING OF EACH MEETING.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>AN EXECUTIVE DIRECTOR IS NOT COMPENSATED BECAUSE OVERSIGHT AND FINANCIAL SUPPORT ARE PROVIDED BY A RELATED ORGANIZATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>HARD COPIES AVALIABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED GAINS ON INVESTMENTS: 16,134.</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>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
      </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</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>MASSACHUSETTS DENTAL SOCIETY</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </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>1</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>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS DENTAL SOCIETY</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>M</TransactionType>
        <AmountInvolved>38000</AmountInvolved>
        <MethodOfAmtDetermination>VALUE OF SERVICES PROVIDED BY MDS</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS DENTAL SOCIETY</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>C</TransactionType>
        <AmountInvolved>325918</AmountInvolved>
        <MethodOfAmtDetermination>AMOUNT OF CONTRIBUTIONS TO MDSF</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS DENTAL SOCIETY</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>D</TransactionType>
        <AmountInvolved>700500</AmountInvolved>
        <MethodOfAmtDetermination>AMOUNT DUE FROM MDS</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>