口腔龋病示教(英文版)课件

1、 Dental Caries 1.DEFENITIONDental caries, also known as tooth decay, cavities, or caries, is a breakdown of teeth due to activities of bacteria.Dental caries An chronic infectious disease with progressive destruction of tooth. 2.CAUSE:【four factors】1889, Miller: chemocoparasitic theoryTooth loss is

2、common health problem.Dental caries is the main reason !Prevalence and incidence Almost everyone is affected by dental caries.Clinical classification of cariesAccording to three basic factors : 1、severity and rate of progression 2、anatomical site(involving site) 3、age patterns at which lesions predo

3、minate Acute caries Chronic cariesArrested cariesRampant cariesClassification according to the developing speedClassification according to the involving siteOcclusal caries Root cariesSmooth surface caries Linear enamel caries Clinical Manifestation and Symptoms Visible pits or holes in the tooth Co

4、lour changing Soften Painchanges in tissue color, texture, and structure ABCDA Early caries may have no symptoms B be sensitive to sweet foods or to hot and cold temperatures C very sensitive to stimulatorD the acute pain ExaminationClinical observations (Visual change)ProbingThe explorer tip can ea

5、sily damage white spot lesionsExaminationTemperature testX-rayTransilluminationDiagnosis Clinical signs visual color, texture, shape, location, cavitation, Clinical symptomsDiagnostic test-examinationTreatmentNon-surgical - remineralizationSurgical - restorationThe different ways of treatment depend

6、 on the size and depth of the cavity, and how much structure has been lost.Calcium hydroxide pulp-capping material lining material filling material Prevention is the most important for dental caries.Problem for reviewWhat is the etiology of dental caries? Be familiar with the definitions of dental c