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。
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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