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为了解山区苗族少年儿童龋病发病情况．找们于1990年对湘西土家族苗族自治州吉首市4个苗家族聚集乡镇7～12岁苗家族小学生2180名进行龋病调查．结果报道如下：1标准与方法：以WHO1997年版《口腔保健调查基本方法》为标准。缺牙不计入龋齿色数。同时检查氛斑牙和口腔卫生，询问
To understand the incidence of dental caries in Miao children in mountainous areas. In 1990, we found 2140 carcasses of 2180 Miao minority pupils from 7 to 12 townships in Jishou, Xijia Tujia and Miao Autonomous Prefecture. The results are reported as follows: 1 standards and methods: WHO1997 edition “oral health survey basic method” as the standard. Edentulous does not count the color of caries. At the same time check the dental atmosphere and oral hygiene, ask