Science Memes

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flouride (mander.xyz)

submitted 19 hours ago by [email protected] to c/[email protected]

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[–] Im_old 4 points 19 hours ago (11 children)

The question is: does it make sense to buy toothpaste with fluoride then or can I buy one without? Just because my kids don't like the peppermint ones and other flavours are most of the times without fluoride

[–] Rookwood 2 points 18 hours ago* (last edited 18 hours ago) (1 children)

Fluoridated toothpaste is more effective than drinking water. The fluoride works by direct contact with the enamel. Another reason it doesn't make sense to put it in drinking water.

[–] SuperIce 3 points 17 hours ago

Fluoride in the water is beneficial in the pre-eruptive phase (when teeth are still growing). Fluoride ingestion increases tooth resistence to cavities if the ingestion happened while they were growing.

This does mean that fluoride in water isn't really useful after you have all your permanent teeth though.

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