牙体牙髓病的无痛治疗课件

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1、Dep.ofOperativeDentistry&EndodonticsSchoolofStomatologyFourthMilitaryMedicalUniversityCariologyWangHanguoContentsSelf-introductionCariesBiologicalbasisofOperativeDentistryCavityPreparationResearchpapersSelf-introductionprefixdent-,denta-牙，齿dent-al牙的dent-alcaries龋dent-almater

2、ials牙科材料dent-alloy牙合金denti-,dento-牙，齿dentist牙科医生dentistry牙科学dentition牙列OperativeDentistry牙体修复（手术）学odonto-,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ConservativeDentistryOperativeDentistry&EndodonticsPe

3、riodontology&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口腔菌丛—hygiene口腔卫生oralogy口腔学invitro离体（在活体外）invi

4、vo在体（在活体内）insitu原位PermanentdentitionCariesClinicalAppearanceCharacteristicsProcessofcariesDemineralizationofapatitesDecompositionoforganicsubstanceDiscolorationDisintegrationoftoothstructureCavitationDefinitionDentalcaries,ortoothdecay,isapathologicalprocessoflocalizeddestru

5、ctionoftoothtissuebymicroorganisms.Itisanirreversible,slowlyprogressivedecayofthehardtissuesofindividualteethcharacterizedbydemineralizationofapatitesanddecompositionoforganicsubstancewhichleadstoadisintegrationoftoothstructuresandcavitation.SusceptiblesitesSusceptibleteethm

6、olarpremolarincisorcanineClassificationDevelopmentalstageSuperficialModerateDeepSymptom?Irritating/stimulatingpainSpontaneouspainCariesPulpitisPeriapicaldeseaseDevelopmentalspeedChroniccariesAcutecariesrampantcariesArrestedcariesTreatedornotprimarycariessecondarycariesEtiolo

7、gyMulti-factorialdiseaseHost:teeth&salivaMicrofloraSubstrateTimeFourfactorsmustbeactingconcurrentlyConditionswithineachofthesefactorsmustbefavorable:bacteria——cariogenicsubstrate——suitablehost———susceptibletime———sufficientSelwitzRH,IsmailAI,PittsNB.Dentalcaries.Lancet.2007J

8、an6;369(9555):51-9.BiologicalbasisofOperativeDentistryDentinogenesisPrimary