2010年大连市沙河口区小学生龋齿患病情况调查分析

目的　调查大连市沙河口区小学生恒牙患龋情况，为大连市口腔卫生防治工作提供参考依据。方法　按WHO龋齿诊断调查标准对大连市沙河口区26 121名小学生龋齿情况进行调查。采用SPSS 10.0统计软件进行统计分析。结果　在26 121名受检者中，患龋率为8.35%，龋均为0.1323，女性患龋率高于男性。结论　患龋率明显低于10年前，龋齿充填率较高，仍要加大预防力度，降低龋齿发生率。

Survey analysis of caries of primary students in Shahekou, Dalian

Objective The purpose of this survey was to find out the permanent teeth caries prevalence among the primary students in Shahekou,Dalian,so as to provide the basis for the prevention and treatment of caries.Methods According to the caries diagnostic criteria of WHO,the caries conditions of 26 076 primary students in Shahekou were surgeryed.In these subjects,the caries prevalence was 8.36%,and DMFT was 0.132.The girls′ caries prevalence was higher than boys′.Conclusions The caries prevalence is obviously lower than ten years ago.The filling rate of dental caries is high.It′s still needed to increase prevention efforts in order to reduce the incidence of dental caries.