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龋齿是中小学生的常见病之一。卫生部和教育部早已规定在中、小学校必须进行预防和矫治。为加强这方面的工作,大连市站和各县区站于1980年对中、小学生龋齿患病情况进行了系统的普查和分析,为进一步开展防龋工作提供科学依据。一、对象和方法: 市站和各县区站选本地区有代表性的中、小学各3～5所为检查对象,一～十年级,
Dental caries is one of the common diseases of primary and secondary students. The Ministry of Health and the Ministry of Education have long stipulated that prevention and correction must be carried out at primary and secondary schools. In order to strengthen the work in this area, Dalian City Station and counties and districts in 1980 in the prevalence of dental caries in primary and secondary school students conducted a survey and analysis of the disease, to provide a scientific basis for further prevention of dental caries. First, the object and method: City Station and counties district stations selected representative primary and secondary schools each 3 to 5 for the inspection object, a ~ tenth grade,