牙体病学课件龋_病 治 疗 学

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1、龋病治疗学CARIESTHERAPY四川大学华西口腔医学院口腔内科学教研室吴红崑Whatisdentalcaries?Dentalcariesisaninfectiousmicrobiologicaldiseaseoftheteeththatresultsinlocalizeddissolutionanddestructionofthecalcifiedtissues.EtiologyofdentalcariesDentalcariesisamultifactorialdiseasethehostthemicroflorathesubstrate,ordiet

2、.timeCariesprocessSoundtoothsurfaceCavityDemineralizationRemineralizationSymptomsofdentalcariesThepatientisoftenunawareofthepresenceofcariesuntilthelesioniswelladvanced.Commonearlysymptomsaresensitivitytoheatandcoldanddiscomfortaftereatingsugar-containingfoods.Somepeopleexperiencetoo

3、thache,particularlyaftersweetorhotorcoldfoodsordrinks.Anothersignincludethepresenceofvisiblepitsorholesintheteeth.CariesTherapyNon-operativeTreatmentOperativeTreatmentCavityPreparationOperativeDentistryMedicationPreventionNon-operativeTreatment药物治疗medicaltherapy再矿化疗法remineralizativet

4、herapy窝沟封闭pitandfissuresealingFluoride,anaturalmineral,isoftenrecommendedtoprotectteethagainstdentalcaries.Medicaltherapy药物治疗FLUORIDESystemicWaterTabletsDropsInvitaminsTopicalToothpasteAnti-CavityRinses(NOTMouthwash)FluorideApplications(Varnish)Theprocessofremineralization,whichcanre

5、pairthedamagedonebythedemineralizationprocess.Remineralizativetherapy再矿化治疗SealantmaterialsResin-basedsealantsultravioletlight-cured(1stgeneration,notmarketed)autopolymerized(2ndgeneration)visiblelight-cured(3rdgeneration)Glass-ionomersealantsflowablecondensablePitandfissuresealing窝沟封

6、闭OperativeTreatment牙体修复的生物学基础biologictherapytechnology牙体支持组织enameldentinebloodvesselsnervespulpEnamelEnamelisthehardestsubstanceinthehumanbody-StructureofdentineLivingtissuethehardbutporoustissuePeritubulardentineIntertubulardentineApatitecrystalsIntermolecularcross-linkingDentinethe

7、softcenterofthetooth.ThepulpcontainsbloodvesselsandnervestosupplynutrientstothetoothtoenablethetoothtosenseheatandcoldPulpDentineStructure-Thepulp-dentinecomplexPULPDENTINECEMENTUMCEMENTUM:PositionENAMELCROWNCervixROOT}}Cementumisontheroot,butcanextendslightlyontoenamel.Cementumalso

8、canbeexposed