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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 2A</FormAndLineReferenceDesc>
        <ExplanationTxt>MASSACHUSETTS DENTAL SOCIETY IS THE NATIONAL FLAGSHIP DENTAL SOCIETY FOR SERVICE INNOVATION AND MEMBER VALUE. THE MISSION OF THE SOCIETY IS TO PROMOTE AND ADVANCE THE ART AND SCIENCE OF DENTISTRY AND THE INTEREST OF THE MEMBER DENTISTRY RELATIVE TO THE PRACTICE OF DENTISTRY AND TO REPRESENT MEMBERS IN RELATIONSHIPS WITH THIRD PARTIES AND WITH AGENCIES OF FEDERAL, STATE AND LOCAL GOVERNMENT. THE MDS FOUNDATION IS DEDICATED TO DIRECTING ITS CHARITABLE RESOURCES TO IMPROVE THE ORAL HEALTH OF MASSACHUSETTS RESIDENTS. IT PROVIDES WAYS TO HELP THE SOCIETY'S MEMBERS GIVE BACK TO THE COMMUNITY BY DEVELOPING AND COORDINATING ORAL HEALTH OUTREACH PROGRAMS BENEFITING POPULATIONS IN NEED.</ExplanationTxt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 2B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MASSACHUSETTS DENTAL SOCIETY WOULD HAVE DIRECTED ITS CHARITABLE RESOURCES TO IMPROVE THE ORAL HEALTH OF MASSACHUSETTS RESIDENTS BUT FOR MDS FOUNDAITON'S INVOLVEMENT.</ExplanationTxt>
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      <Form990ScheduleAPartVIGrp>
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        <ExplanationTxt>SOME OF THE FOUNDATION'S BOARD MEMBERS SERVED ON THE BOARD OF THE SUPPORTED ORGANIZATION. THE MANAGEMENT OF THE SUPPORTED ORGANIZATION OVERSEES THE INVESTMENTS OF THE FOUNDATION AND DIRECTS THE INVESTMENT DECISIONS OF THE ENDOWMENTS. THESE SHARED BOARD MEMBERS AND MANAGEMENT ALSO ARE PART OF THE DECISION MAKING GROUP THAT DECIDES WHEN AND IF SOME ASSETS OF THE FOUNDATIONS SHOULD BE DIRECTED TO THE SUPPORTED ORGANIZATION.</ExplanationTxt>
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        <EndYearBalanceAmt>992613</EndYearBalanceAmt>
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        <ContributionsAmt>325918</ContributionsAmt>
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        <EndYearBalanceAmt>659436</EndYearBalanceAmt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSF ACCOUNTS FOR UNCERTAINTY IN INCOME TAXES IN ACCORDANCE WITH ASC TOPIC, INCOME TAXES. THIS STANDARD CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS AND PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE CONSOLIDATED FINANCIAL STATEMENTS REGARDING A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. MDSF HAS DETERMINED THAT THERE ARE NO UNCERTAIN TAX POSITIONS WHICH QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS AT JUNE 30, 2015. MDSF'S INFORMATION AND TAX RETURNS ARE SUBJECT TO EXAMINATION BY THE FEDERAL AND STATE JURISDICTIONS AND GENERALLY REMAIN OPEN FOR THE MOST RECENT THREE YEARS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>BOARD DESIGNATED - FUNCTIONING AS ENDOWMENT NET ASSETS REPRESENT FUNDS SET ASIDE BY MDSF'S 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 MDSF'S BOARD OF TRUSTEES.</ExplanationTxt>
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        <USAddress>
          <AddressLine1Txt>326 NICHOLS ROAD</AddressLine1Txt>
          <CityNm>FITCHBURG</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01420</ZIPCd>
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        <IRCSectionDesc>170(B)(1)(A)(V)</IRCSectionDesc>
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        <PurposeOfGrantTxt>TO INCREASE ACCESS TO DENTAL CARE</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>GREATER NEW BEDFORD COMMUNITY HEALTH CENTER INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>874 PURCHASE STREET</AddressLine1Txt>
          <CityNm>NEW BEDFORD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02740</ZIPCd>
        </USAddress>
        <RecipientEIN>042675800</RecipientEIN>
        <IRCSectionDesc>170(B)(1)(A)(V)</IRCSectionDesc>
        <CashGrantAmt>16006</CashGrantAmt>
        <PurposeOfGrantTxt>TO INCREASE ACCESS TO DENTAL CARE</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE FORSYTH INSTITUTE</BusinessNameLine1Txt>
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          <AddressLine1Txt>245 FIRST STREET</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02142</ZIPCd>
        </USAddress>
        <RecipientEIN>042104230</RecipientEIN>
        <IRCSectionDesc>170(B)(1)(A)(V)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>TO INCREASE ACCESS TO DENTAL CARE</PurposeOfGrantTxt>
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        <ExplanationTxt>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.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PROVIDED TO THE TRUSTEES BEFORE FILING. THE CFO OF A RELATED ENTITY REVIEWS THE RETURN PRIOR TO BEING FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS SIGN THE CONFLICT OF INTEREST POLICY AND ANY CONFLICTS OF INTEREST ARE ANNOUNCED AT THE BEGINNING OF EACH MEETING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>AN EXECUTIVE DIRECTOR IS NOT COMPENSATED BECAUSE OVERSIGHT AND FINANCIAL SUPPORT ARE PROVIDED BY A RELATED ORGANIZATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>HARD COPIES AVALIABLE UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
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          <AddressLine1Txt>TWO WILLOW STREET SUITE 200</AddressLine1Txt>
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</Return>