最新医学类-牙体牙髓病的无痛治疗-药学医学精品资料.ppt

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1、最新医学类-牙体牙髓病的无痛治疗-药学医学精品资料ContentsSelf-introductionCariesBiologicalbasisofOperativeDentistryCavityPreparationResearchpapersodonto-,odont-牙,齿Odonto-logy牙科学endo-,end-内,在内,内部end-odontics牙髓病学peri-周围,邻近peri-odonto-logy牙周病学ped(o)-与儿童有关的ped-odontics儿童牙科学ConservativeDentistr

2、yOperativeDentistry&EndodonticsPeriodontology&OralMedicinePedodonticsDepartmentofConservativeDentistryOperativeDentistry&Endodonicsstomato-,stomat-口、口腔stomatic口腔的Stomato-logy口腔(医)学SchoolofStomatology口腔医学院stomatological口腔医学的stomat-itis口腔炎oral口的─cavity口腔─microflora口腔菌

3、丛─hygiene口腔卫生oralogy口腔学invitro离体(在活体外)invivo在体(在活体内)insitu原位PermanentdentitionCariesClinicalAppearanceCharacteristicsProcessofcariesDemineralizationofapatitesDecompositionoforganicsubstanceDiscolorationDisintegrationoftoothstructureCavitationDefinitionDentalcaries,o

4、rtoothdecay,isapathologicalprocessoflocalizeddestructionoftoothtissuebymicroorganisms.Itisanirreversible,slowlyprogressivedecayofthehardtissuesofindividualteethcharacterizedbydemineralizationofapatitesanddecompositionoforganicsubstancewhichleadstoadisintegrationofto

5、othstructuresandcavitation.SusceptiblesitesSusceptibleteethmolarpremolarincisorcanineClassificationDevelopmentalstageSuperficialModerateDeepSymptom?Irritating/stimulatingpainSpontaneouspainCariesPulpitisPeriapicaldeseaseDevelopmentalspeedChroniccariesAcutecariesramp

6、antcariesArrestedcariesTreatedornotprimarycariessecondarycariesEtiologyMulti-factorialdiseaseHost:teeth&salivaMicrofloraSubstrateTimeFourfactorsmustbeactingconcurrentlyConditionswithineachofthesefactorsmustbefavorable:bacteria──cariogenicsubstrate──suitablehost───su

7、sceptibletime───sufficientSelwitzRH,IsmailAI,PittsNB.Dentalcaries.Lancet.2007Jan6;369(9555):51-9.BiologicalbasisofOperativeDentistryDentinogenesisPrimarydentinogenesisSecondarydentinogenesisTertiarydentinogenesisReactionarydentinogenesisReparativedentinogenesisDenti

8、nogenesisPrimarydentinogenesisbeforecompletionofrootformationSecondarydentinogenesisaftercompletionofrootformationTertiarydentinogenesisat