1、文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。1.DEFENITIONnDental caries,also known as tooth decay,cavities,or caries,is a breakdown of teeth due to activities of bacteria.文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Dental caries An chronic infectious disease with progressive destruction of tooth.文档仅供参考，不能作为科学依
2、据，请勿模仿；如有不当之处，请联系网站或本人删除。2.CAUSE:【four factors】1889,Miller:chemocoparasitic theory文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Tooth loss is common health problem.Dental caries is the main reason!文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Prevalence and incidence Almost
3、everyone is affected by dental caries.文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Clinical classification of cariesnAccording to three basic factors:1、severity and rate of progression 2、anatomical site(involving site)3、age patterns at which lesions predominate 文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Acute
4、 caries Rampant cariesClassification according to the developing speed文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Classification according to the involving siteOcclusal caries Root cariesSmooth surface caries Linear enamel caries 文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Clinical Manifestation and Symptoms
5、Visible pits or holes in the tooth Colour changing Soften Painchanges in tissue color,texture,and structure 文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。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 文档仅供
6、参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。ExaminationClinical observations (Visual change)ProbingThe explorer tip can easily damage white spot lesions文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。ExaminationTransillumination文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。n Clinical signs visual color,texture,shape,locatio
7、n,cavitation,nClinical symptomsnDiagnostic test-examination文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Non-surgical -remineralizationSurgical -restorationThe different ways of treatment depend on the size and depth of the cavity,and how much structure has been lost.Calcium hydroxide pulp-capping material
8、 lining material filling material文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Prevention is the most important for dental caries.文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Problem for reviewnWhat is the etiology of dental caries?n Be familiar with the definitions of dental caries and classification.nSimply describe clinical manifestation and symptoms of dental caries.
