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!