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湖南省龙山县是以土家族为主的多民族县,土家族人口约21万余人,占全省人口的1/2。这里山高偏僻,交通闭塞,医疗卫生条件较落后。为了解该族人们患龋情况,以便开展龋病防治工作,我科于1988年4月至 5月,对世代长期居住在龙山坡脚、苗市两乡、11个自然村的1054名农民和四所中、小学的2124名学生,进行了一次患龋情况调查,共调查了3178人。
Longshan County, Hunan Province, is a multi-ethnic county mainly composed of Tujia ethnic groups. Tujia population is about 210,000, accounting for one-half of the province's population. Lonely mountain here, traffic congestion, medical and health conditions are more backward. In order to understand the situation of caries in this tribe in order to carry out prevention and treatment of caries, from April to May 1988, our department studied 1054 peasants who lived for a long time at the foot of Yongsanpo, Miaoshi Township and 11 villages, A total of 2178 students from primary and secondary schools conducted a survey on the prevalence of caries and investigated 3178 people.