What were you wrong about for a long time? How did you realize you were wrong?

DandomRude@lemmy.world to Ask Lemmy@lemmy.world – 197 points –
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Rinsing after brushing teeth. The fluoride in the toothpaste should stay on your teeth for a while to be effective. So you should floss, then brush, and wait to rinse or not rinse

I learned last year that you're supposed to floss BEFORE you brush. I have no idea why no one ever taught me that.

Yeah you loosen up every thing and then brush it out. Actually, I floss, swish, then brush. I end with brush because the fluoride concentration in toothpaste is much much higher than in most fluoride mouthwash. I’d rather leave that on my teeth after I’m done.

I floss, rinse, then brush. The fluoride content of toothpaste is much higher than rinse, so I’d rather end having that on my teeth than a weaker dose from the rinse.

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That's only true in England, because they don't flourinate their water. In the US, you get plenty of flouride from tap water.

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