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防氟改水是预防饮水型地方性氟中毒(地氟病)病区氟斑牙发生的根本措施,为了解防氟改水后氟斑牙病情变化情况,为今后调整地氟病防治策略提供科学依据,对吉林省白城市8个已改水地氟病病区的8~12周岁儿童开展了现况调查。1材料与方法1.1调查点的选择在白城市随机抽取8个地氟病区作为调查点。1.2调查内容1.2.1一般情况及饮用水水氟含量一般情况包括调查点的名称、病区类型、改水年限、井深、常住人口及
Fluoride to water change is to prevent drinking water endemic fluorosis (Fluorosis) dental fluorosis basic measures, in order to understand the fluorosis water fluoride dental fluorosis changes in the situation for the future adjustment of prevention and treatment of endemic fluorosis Scientific basis, carried out a survey of the status of 8 to 12-year-old children in 8 districts of Baicheng City in Jilin Province that have been rehabilitated with fluorosis. 1 Materials and Methods 1.1 The choice of survey sites in Baicheng City randomly selected eight areas of endemic fluorosis as a survey point. 1.2 Contents of the survey 1.2.1 General situation and general situation of drinking water water Fluorine content includes the name of the investigation point, ward type, water diversion age, well depth, resident population and