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为了解我区青少年儿童龋病流行趋势，我们于1985～1994年对我区的幼儿园、小学、中学、中等专业学校的3～21岁少年儿童15558名进行了龋病调查及氟透防龋观察，现将结果报道如下：1对象与方法1．1对象龋病调查和氛造防龋选择本地区的幼儿园、小学和中学的学生15558名。其中男生8
In order to understand the prevalence of dental caries among young children in our district from 1985 to 1994, we carried out caries surveys and fluoridation prevention on 15 558 children aged 3 to 21 years in kindergartens, primary schools, secondary schools and secondary vocational schools in our district , The results are reported as follows: 1 objects and methods 1.1 object caries survey and atmosphere prevention caries selection in the region of kindergartens, primary and secondary 15,558 students. One of the boys 8