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[目的]全面掌握三门峡市地方性氟中毒的病情及分布情况,为氟病防治提供可靠的依据。[方法]对2004～2005年三门峡市各县(市、区)饮用水水氟测定和超标自然村8～12岁儿童氟斑牙患病情况普查资料进行分析。[结果]调查全市5 691个自然村的13 053份饮用水,22个乡镇有高氟水源,188个高氟自然村,77个病区自然村。调查188个水氟超标自然村8～12岁儿童4 837名,检出氟斑牙患者1 481人,氟斑牙检出率为30.62%,氟斑牙指数为0.529。[结论]三门峡市为地方性氟中毒病区,陕县、灵宝市和湖滨区是防治工作的重点。
[Objective] To comprehensively grasp the situation and distribution of endemic fluorosis in Sanmenxia City and provide a reliable basis for prevention and control of the disease. [Method] The data of fluoride in drinking water in counties (cities and districts) in Sanmenxia from 2004 to 2005 and the prevalence of dental fluorosis in children aged 8 ~ 12 years in natural village of Sanmenxia were analyzed. [Results] A total of 13 053 drinking water samples were collected from 5 691 villages in the whole city. There were 22 high fluoride water sources, 188 high fluoride natural villages and 77 ward natural villages in 22 townships. A total of 18837 children aged 8 to 12 years old were enrolled in 188 water-fluoride-exceeded natural villages. A total of 1 481 dental fluorosis patients were detected. The detection rate of dental fluorosis was 30.62% and dental fluorosis index was 0.529. [Conclusion] Sanmenxia is a endemic fluorosis area, and Shanxian, Lingbao and Hubin areas are the focus of prevention and treatment.