医学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-almaterials牙科材料

2、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&EndodonticsPeriodontology&Ora

3、lMedicinePedodonticsDepartmentofConservativeDentistryOperativeDentistry&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)invivo在体(在活体内)insitu原位Perman

4、entdentitionCariesClinicalAppearanceCharacteristicsProcessofcariesDemineralizationofapatitesDecompositionoforganicsubstanceDiscolorationDisintegrationoftoothstructureCavitationDefinitionDentalcaries,ortoothdecay,isapathologicalprocessoflocalizeddestructionoftoothtissuebymicroorganis

5、ms.Itisanirreversible,slowlyprogressivedecayofthehardtissuesofindividualteethcharacterizedbydemineralizationofapatitesanddecompositionoforganicsubstancewhichleadstoadisintegrationoftoothstructuresandcavitation.SusceptiblesitesSusceptibleteethmolarpremolarincisorcanineClassificationD

6、evelopmentalstageSuperficialModerateDeepSymptom?Irritating/stimulatingpainSpontaneouspainCariesPulpitisPeriapicaldeseaseDevelopmentalspeedChroniccariesAcutecariesrampantcariesArrestedcariesTreatedornotprimarycariessecondarycariesEtiologyMulti-factorialdiseaseHost:teeth&salivaMicrofl

7、oraSubstrateTimeFourfactorsmustbeactingconcurrentlyConditionswithineachofthesefactorsmustbefavorable:bacteria──cariogenicsubstrate──suitablehost───susceptibletime───sufficientSelwitzRH,IsmailAI,PittsNB.Dentalcaries.Lancet.2007Jan6;369(9555):51-9.BiologicalbasisofOperativeDentistryDe

8、ntinogenesisPrimary