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湖北省位于长江中游,洞庭湖以北,按地形分为江汉平原、鄂西山区、鄂北岗地和鄂东低山丘陵。根据卫生部、教育部《关于做好学生口腔保健工作的通知》精神,我们于1982年12月至1983年元月对7650名中小学生龋病、牙周病患病情况进行了调查。按全国统一方案抽取了长江、汉水沿岸12个市县100个学校7、9、12、15、17岁五个年龄组的青少年,每个学校每个年龄组随机抽样检查30人,男女各半,均为当地出生。学校分布在平原、丘陵、山区、城乡人数各占一半。采用全国统一检查方案、统一仪器、统一表格检查了龋病、牙周
Hubei Province is located in the middle reaches of the Yangtze River and north of Dongting Lake. It is divided into the Jianghan Plain, the Western Hubei Mountains, the Northern Hubei Hilly and the Eastern Hubei Hilly by the terrain. According to the Ministry of Health and the Ministry of Education’s “Notice on Doing Well Students Oral Health Care,” we conducted a survey on the prevalence of dental caries and periodontal disease among 7,650 primary and secondary school students from December 1982 to January 1983. According to the national unified program, 12 schools in 12 cities and counties along the Yangtze River and the coast of Hanjiang River were sampled. Five teenagers aged 7, 9, 12, 15 and 17 were randomly selected. Each school was randomly sampled for 30 persons of each age group. Half, are born locally. The school is located in plains, hills, mountains, urban and rural population each half. Using a unified national inspection program, unified instruments, a unified form to check the caries, periodontal