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      <ProgramServiceRevenueGrp>
        <Desc>MONTHLY MEETINGS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>17780</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>17780</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ADVERTISING</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>7880</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>7880</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>313415</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>90634</TotalRevenueColumnAmt>
        <ExclusionAmt>90634</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>19342</TotalRevenueColumnAmt>
        <ExclusionAmt>19342</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>943897</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>528489</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>415408</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>415408</TotalRevenueColumnAmt>
        <ExclusionAmt>415408</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>REFUNDS AND REBATES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>350</TotalRevenueColumnAmt>
        <ExclusionAmt>350</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>350</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>839149</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>305535</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>7880</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>525734</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>2000</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>405435</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>5336</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>8780</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>38500</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>39482</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>25000</TotalAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>18989</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>1114</TotalAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>17956</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>20348</TotalAmt>
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      <InsuranceGrp>
        <TotalAmt>7189</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PROFESSIONAL DEVELOPMEN</Desc>
        <TotalAmt>4589</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>STORAGE</Desc>
        <TotalAmt>1475</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>1000</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS EXPENSES</Desc>
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      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>597910</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
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      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>146779</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
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        <EOYAmt>7367</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>3757492</EOYAmt>
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        <EOYAmt>421616</EOYAmt>
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      <OtherAssetsTotalGrp>
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        <EOYAmt>2497</EOYAmt>
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        <EOYAmt>4608489</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>104504</BOYAmt>
        <EOYAmt>105311</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>77537</BOYAmt>
        <EOYAmt>65902</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>171213</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>4437276</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>3946786</BOYAmt>
        <EOYAmt>4437276</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4128827</BOYAmt>
        <EOYAmt>4608489</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>241239</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>249251</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>161756</DuesAssessmentsAmt>
      <NonDedLbbyngPltclCyovAmt>14972</NonDedLbbyngPltclCyovAmt>
      <NonDeductibleLbbyngPltclTotAmt>14972</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>5338</AggregateReportedDuesNtcAmt>
      <CarriedOverAmt>9634</CarriedOverAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>CORPORATE BONDS</Desc>
        <BookValueAmt>361707</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>MUTUAL FUNDS</Desc>
        <BookValueAmt>59909</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>421616</TotalBookValueSecuritiesAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>1048918</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>249251</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>249251</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>799667</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>39482</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>39482</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>839149</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>558428</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>558428</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>39482</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>39482</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>597910</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>DCDS BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS OR THAT WOULD HAVE AN EFFECT ON ITS TAX-EXEMPT STATUS. THERE WERE NO UNRECOGNIZED TAX BENEFITS OR LIABILITIES THAT NEEDED TO BE RECORDED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY CONTRACTS WITH SMITHBUCKLIN CORPORATION TO PROVIDE EXECUTIVE DIRECTOR SERVICES AND MANAGEMENT OF THE ORGANIZATION. THE AMOUNT PAID TO SMITHBUCKLIN CORPORATION FOR THE PERIOD ENDED DECEMBER 31, 2023, TOTALED $405,435 INCLUDING $85,000 FOR EXECUTIVE MANAGEMENT. THE BOARD OF DIRECTORS OVERSEES SMITHBUCKLIN CORPORATION'S PERFORMANCE UNDER THE CONTRACT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS MEMBERS WHO ARE DENTISTS AND MUST ALSO BE MEMBERS OF THE AMERICAN DENTAL ASSOCIATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL ACTIVE, ACTIVE LIFE, RETIRED LIFE, AND RETIRED MEMBERS IN GOOD STANDING SHALL HAVE VOTING PRIVILEGES AND SHALL BE ELIGIBLE FOR ELECTION OR APPOINTMENT FOR ANY OFFICE OR COMMITTEE OF THE SOCIETY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY PROPOSED AMENDMENT TO THE ORGANIZATION'S BYLAWS MUST BE VOTED ON AND APPROVED BY A 2/3 VOTE OF ELIGIBLE VOTING MEMBERS OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR, ALONG WITH STAFF OF SMITHBUCKLIN CORPORATION, REVIEWS THE 990. A COPY IS THEN SENT TO THE FULL BOARD PRIOR TO SIGNING AND FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS ARE MADE AVAILABLE FOR PUBLIC INSPECTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART 12, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED EITHER ITS AUDIT OVERSIGHT PROCESS OR ITS INDEPENDENT AUDITOR SELECTION PROCESS FROM THE PREVIOUS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>DC DENTAL SOCIETY FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2001 K ST NW SUITE 300</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20006</ZIPCd>
        </USAddress>
        <EIN>521865605</EIN>
        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>DISTRICT OF COLUMBIA DENTAL SOCIETY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>DISTRICT OF COLUMBIA DENTAL SOCIETY RELIEF FUND</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2001 K ST NW SUITE 300</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20006</ZIPCd>
        </USAddress>
        <EIN>526068034</EIN>
        <PrimaryActivitiesTxt>CHARITABLE ASSITANCE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>DISTRICT OF COLUMBIA DENTAL SOCIETY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>