• bus_factor@lemmy.world
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    1 day ago

    I actually had the opposite problem! We had well water, but due to an extensive government information campaign, we took fluoride supplements.

    After I cracked a few of my teeth on different occasions my parents suspected something was off, and had the well water tested. Turns out it had naturally occurring fluoride, and with the added supplements it was a little too much and my teeth got brittle. Thankfully this mostly happened to my baby teeth, so my adult teeth are mostly fine.