METHODS The present conditions of using water in fluorosis areas and dental fluorosis of children prevalence have been carried out by epidemiological methods.
方法采用流行病学方法调查分析改水后氟病区居民饮水现状和儿童氟斑牙患病情况。
Methods The fluoride content in water was determined by fluoride selective ion electron, and dental fluorosis of children was examined according to clinical diagnosis standard.
方法：水氟含量采用氟离子选择电极法进行检测，儿童氟斑牙诊断采用三型九度法。
The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.
饮用低氟水的儿童无论是否使用含氟牙膏，其氟斑牙患病率间没有差别。
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