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| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | GAIL GRIMM |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 5106449800 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1900 POWELL ST STE 600 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | EMERYVILLE |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94608 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 93444 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 98422 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 4777 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 41295 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 93444 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 98422 |
| IRS990EZ/GrossReceiptsAmt | 0 | 96579 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 815 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MembershipDuesAmt | 0 | 86244 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 93167 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 97944 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 93167 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 97944 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 858 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 000.00 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | NICHOLAS Y CHING |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | ARIANE R TERLET |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | PATRICK T SO |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | AUBREY A BARRETT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | NGA HOANG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | ALI A REZAI |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | LAURIE ESTES |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | JENNIFER G GEE SCHOON-TONG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | AMY AU |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | BRIAN CHEUNG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | PAUL FORD |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | GAIL GRIMM |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | TRUSTEE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | PAST PRESIDE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | PRESIDENT EL |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | DIRECTOR AT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | SECRETARY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | EDITOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 11 | EXECUTIVE DI |
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| IRS990EZ/Organization501cInd | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 49649 |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | PROMOTION OF DENTAL HEALTH |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 9520 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | DISCUSSIONS ON HOW TO PROMOTE DENTAL HEALTH & GENERAL DENTAL HEALTH. |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/ScheduleBNotRequiredInd | 0 | X |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 277 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 478 |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 91802 |
| IRS990EZ/TotalRevenueAmt | 0 | 96579 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | N/A |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | EXPENSES BANK CHARGES 344 ANSWERING SERVICE 3,338 TRAVEL & MEALS-VOLUNTEERS 5,661 OFFICE SUPPLIES 472 TELECOMMUNICATIONS 1,229 EMAIL THE DIAMOND LANE 240 WEBSITE 2,497 CHANGE IN VALUE OF INVEST 2,052 LICENSES & PERMITS 118 GENERAL MEETINGS EXPS 20,738 BOARD MEETING EXPS 2,100 HOLIDAY PARTY EXPS 10,860 TOTAL 49,649 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | 2,178 2,178 LESS ACCUMULATED DEPRECIATION 2,178 2,178 TOTAL 0 0 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ACCOUNTS PAYABLE AND ACCRUED EXPENSES 277 478 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART II, LINE 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART II, LINE 26 |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | GAIL GRIMM |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | EXECUTIVE DIRECTOR |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 5106449800 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2019-04-05 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | BERKELEY DENTAL SOCIETY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | BERK |
| ReturnHeader/Filer/EIN | 0 | 941665473 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 6217 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | ALBANY |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94608 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | C19E1A70527167BAE4E280F9C99C41B919B57216 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | 01D981E55145A767D32CCF68AB8D77B3DE01A402 |
| ReturnHeader/FilingSecurityInformation/FilingLicenseTypeCd | 0 | P |
| ReturnHeader/FilingSecurityInformation/IPAddress/IPv4AddressTxt | 0 | 173.228.21.110 |
| ReturnHeader/FilingSecurityInformation/IPDt | 0 | 2019-05-02 |
| ReturnHeader/FilingSecurityInformation/IPTimezoneCd | 0 | CD |
| ReturnHeader/FilingSecurityInformation/IPTm | 0 | 16:21:31 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 942824205 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | TIRET & COMPANY CPAS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1250 BAYHILL DR STE 100 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | SAN BRUNO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 940663049 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6502250400 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2019-04-05 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | STEVEN E TIRET |
| ReturnHeader/ReturnTs | 0 | 2019-05-02T16:21:31-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2018-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2018-12-31 |
| ReturnHeader/TaxYr | 0 | 2018 |