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China/Asia On Demand
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han fu ya gao bing fei ren ren shi yong
Pages: 48
Year: Issue:  10
Journal: Popular Standardization

Abstract: 口腔预防专家认为,含氟牙膏虽能有效防治龋齿,但也有副作用,使用不当可导致氟牙症.氟的防龋作用与产生毒性间的界限很小,摄入过量氟,牙齿会产生斑点,这就是氟牙症. 目前,国内含氟牙膏的使用已经非常普遍,不少厂家也以"含氟"作为卖点来进行宣传.
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