Present situation and epidemic trend of dental caries among primary and middle school students in Guangxi in 2010

[Objective]To analyze the present situation of dental caries among primary and middle school students in Guangxi in 2010,provide the basis for developing the caries prevention measures.[Methods]The data of dental caries of 5 954 primary and middle school students from the student physical health monitoring in Guangxi in 2010 were analyzed.[Results]The caries rate of primary teeth was 52.1%,which decreased with increasing age(P0.01).The caries rate of permanent teeth was 37.4%,which increased with increasing age(P0.01).The caries rates of primary teeth and permanent teeth in rural areas were higher than those in urban areas.The caries rates of Zhuang nationality students were higher than those of Han nationality and Yao nationality students.There was no significant difference in caries rate of primary teeth,and the caries rate of permanent teeth in girls was higher than that in boys.In same age group,the caries rates of primary teeth and permanent teeth showed a rising trend during 1995 and 2010(P0.01).The caries filling rate was low,especially in rural students and Yao nationality students.[Conclusion]According to the main problems at present,the keys of caries prevention still are rural areas and minority nationality regions in the future.It is necessary to strengthen the investment for oral health care in rural schools,as well as establish and perfect the school oral health care system.