Most of those scientists, including Levy, still support water fluoridation as a proved method of controlling tooth decay, especially in populations where oral hygiene is poor.
不过,包括李威
内的大部份科学家仍然支

加氟,
其是

卫生较差的社区,因为这是证明可以控制蛀牙的方法。
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主妇(音频版)第五季 A combination of poverty, sugar-rich diets and poor hygiene means 2.5bn people around the world suffer from tooth decay, in which acid produced by mouth-dwelling bacteria eats away at the hard enamel that coats the outside of a tooth.
贫困、高糖饮食和卫生条件

合,意味着全球有25亿人患有蛀牙。蛀牙是指口腔细菌产生
酸侵蚀覆盖在牙齿外部
硬牙釉质。