Water fluoridation by country - Wikipedia
2021-11-13u2002·u2002Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay, and is handled differently by country. Fluoridated water has fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride. Fluoridated water operates on tooth surfaces: in the mouth it creates low levels of fluoride in saliva, which reduces ...
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