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这次调查是根据世界卫生组织的要求,全国制定了统一的方案,由省防站学校卫生科牵头,各州县防疫站协助,抽调各医院口腔科医师按标准进行检查的。分城市和农村中小学中共4000人,城市1800人,农村2200人的龋齿,牙周病,四坏素牙,氟牙症进行了调查,主要是汉族,分五个年龄组即7、9、12、15、17岁,按实足年龄算,每个年龄组调查40人,一所中学一个小学为一个点,每点调查200人,男女各半,以调查日期为准。
The survey is based on the requirements of the World Health Organization, the country developed a unified program by the Provincial Health School, led by the provincial health station, epidemic prevention stations in all counties to assist, transfer the hospital stomatologists according to the standard inspection. Sub-cities and rural primary and secondary schools in 4000 people, the city of 1800 people, rural areas of 2200 people caries, periodontal disease, four bad prime teeth, dental fluorosis were investigated, mainly Han nationality, namely five age groups that 7,9, 12, 15 and 17 years of age. Calculated according to the actual age, 40 persons are surveyed in each age group. One primary school in a secondary school is a single point. Each point is investigated for 200 persons, half male and half female, whichever is the investigation date.