牙周病的分类.ppt

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1、四川大学华西口腔医学院口腔内科学教研室丁一牙周病的分类1.-why世界临床牙周病学专题讨论会（1989年）1999年AAP新分类Why?•legalramifications•affectstreatmentplanandprognosis•forcommunicationwithpatientsHistory:•Lastclassificationsystemwasdevisedatthe1989WorldWorkshopinClinicalPeriodontology•Improvedunderstandingofetiologyofperio

2、dontaldiseases•InclusionofgingivaldiseasesThePeriodontium:supportingapparatusofthetoothanditsassociatedcomponents•alveolarbone•periodontalligament•cementum•gingivalattachmentGingivalDiseases:Canoccuronaperiodontiumwithnoattachmentloss,oronaperiodontiumwithattachmentlossthatisn

3、otprogressingDentalplaqueinducedNon-plaqueinducedGingivitis:generalinformationDEF’N:inflammationofthegivgivaubiquitousocclusionanalysismajorcause:accumulationofplaqueothercausestx:removalofthecausedoesn’tinevitablyleadtoperiodontitisGingivitis:pathology4stages:initial,early,es

4、tablished,advancedlesionSummary:PMNs,exudate,collagenbreakdown,plasmacells,proliferationofepitheliumMajorcause:accumulationofplaqueDentalplaque-inducedgingivaldiseasesI.Gingivitisassociatedwithdentalplaqueonlya.withoutotherlocalcontributingfactorsb.withlocalcontributingfactors

5、Dentalplaque-inducedgingivaldiseasesII.Gingivaldiseasesmodifiedbysystemicfactorsa.associatedwiththeendocrinesystem1.puberty-associatedgingivtis2.menstrualcycle-associatedgingivitis3.Pregnancy-associated4.diabetesmellitus-associatedgingivitisPeriodontitis-Definition:Inflammatio

6、ninvolvingthegingivalunit(gingivaandalveolarmucosa)andextendingtotheperiodontalligament,alveolarbone,andcementum.Periodontitisinvolvesthelossofclinicalattachmentandradiographicevidenceofboneloss.Periodontitis-evidenceoflossofperiodontalattachmentpreviouslyclassifiedbyagenowcla

7、ssifiedby“nature”ofdiseases:progression,clinicalpresentation,associatedsystemicdiseasesPeriodontitis:classificationoverviewchronicperiodontitisaggressiveperiodontitisperiodontitisasamanifestationofsystemicdiseaseanecrotizingperiodontaldiseasesabscessesoftheperiodontiumperiodon

8、titisassociatedwithendodonticlesionsdevelopmentaloracquiredde