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And fluoride treatments likely don't do much. The main benefit of fluoride is from ingestion by children, while their teeth are forming.


That is absolutely not true. Flouride varnish helps prevent cavities and remineralize enamel in all ages.

Here's a meta analysis for you: https://www.ncbi.nlm.nih.gov/books/NBK401516/


It's the exact opposite

There are no benefits from ingestion - it's actually harmful and linked to a series of terrible stuff (cognitive development issues and neurological problems in primis). The only benefits are from topical application.

Source: my parents fed me fluoride pills for my entire childhood




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