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濮阳市是河南省饮水型地方性氟中毒流行严重的地区之一,病区分布广泛。改水降氟是防治饮水型地方性氟中毒的主要举措。濮阳市自20世纪80年代以来开始兴建改水降氟工程,目前,已累计完成83%的病区村改水任务,为掌握病区改水后饮用水氟现状及儿童氟斑牙患病情况,评价改水效果,2012、2013年共抽取了3个已改水病区村开展了相关调查。1对象与方法1.1调查点的选择2012、2013年在濮阳市濮阳县、
Puyang City, Henan Province, drinking water endemic fluorosis is one of the epidemic areas, wards are widely distributed. Change water fluoride is prevention and treatment of drinking water endemic fluorosis the main measure. Puyang City, since the 1980s began to build water and fluoride reduction project, at present, has completed 83% of the ward village water task, in order to grasp the ward fluoride water status after drinking water and children dental fluorosis prevalence , To evaluate the effect of water diversion. In 2012 and 2013, a total of 3 villages that have been water-affected areas were surveyed. 1 objects and methods 1.1 The choice of survey points 2012, Puyang County in Puyang County in 2013,