《牙体牙髓病学》课程教学课件（讲稿）龋病的治疗（非手术治疗）

Management (Therapy)of Dental Caries

Management (Therapy) of Management (Therapy) of Management (Therapy) of Management (Therapy) of Dental Caries Dental Caries Dental Caries Dental Caries

3 5 元兄

Caries is an infectious disease caused by bacteria originating from the resident oral microflora. Dental caries is a complex disease with numerous causes ofenvironmental and behavioural origin

� Caries is an infectious disease caused by bacteria originating from the resident oral microflora. � Dental caries is a complex disease with numerous causes of environmental and behavioural origin

SALIVA MICRO- ORGANISM5*★ SALIVA They Keyes diagram shows that cavities are the result of TOOTH CARIES TIME the interaction between a susceptible tooth,a dietary SALIVA F00D* SALIVA substrate (sugar),a chronic Fermentable Carbohydrate .Particularly Strepococcus mutans bacterial infection,and time. 时间、食物、细菌、牙齿 元元元

� They Keyes diagram shows that cavities are the result of the interaction between a susceptible tooth, a dietary substrate (sugar), a chronic bacterial infection, and time. 时间、食物、细菌、牙齿

There has been remarkable progress in the reduction oftooth decay in the developed countries over the past 30 years

� There has been remarkable progress in the reduction of tooth decay in the developed countries over the past 30 years

The Third National Oral Health Epidemiological Investigation in 2005 shows that caries levels at all ages are still a major problem in China,especially among teenagers

� The Third National Oral Health Epidemiological Investigation in 2005 shows that caries levels at all ages are still a major problem in China, especially among teenagers

Prevention and treatment ofdental caries have the same main objective,namely to prevent the disease from further progression leading to infection of teeth and other tissues which will create pain,suffering and reduced fumction

� Prevention and treatment of dental caries have the same main objective, namely to prevent the disease from further progression leading to infection of teeth and other tissues which will create pain, suffering and reduced function

Dental caries is typically first observed clinically as a "white spot lesion.If the tooth surface remains intact and non-cavitated,then remineralization of the enamel is possible. 元元5

� Dental caries is typically first observed clinically as a “white spot lesion.” If the tooth surface remains intact and non-cavitated, then remineralization of the enamel is possible

Ifthe subsurface demineralization of enamel is extensive,it eventually causes the collapse of the overlying tooth surface,resulting in a“cavity

� If the subsurface demineralization of enamel is extensive, it eventually causes the collapse of the overlying tooth surface, resulting in a “cavity

The most important concept to remember is that caries is a dynamic disease process,and not a static problem. Secondly,before a cavity is formed in the tooth,the caries infection can actually be reversed!

� The most important concept to remember is that caries is a dynamic disease process, and not a static problem. � Secondly, before a cavity is formed in the tooth, the caries infection can actually be reversed!