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Why do dentists always recommend to brush 2 times for 2-3 minutes? (lemmy.zip)

submitted 11 months ago by wolf@lemmy.zip to c/asklemmy@lemmy.ml

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I almost always read in the news/press that dentists recommend to brush teeth two times a day for 2-3 minutes.

This drives me crazy, because it does not make sense; The point for dental health is to systematical clean every surface of your teeth twice a day (and use inter-dental brushes/floss once a day). For me, brushing my teeth takes around 6 minutes, if I hurry up. For someone faster it might be possible in 1 minute.

So, why do dentists always give the 2-3 minutes recommendation?

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[–] jasondj@ttrpg.network 4 points 11 months ago

Guidance for preschools around me is for them to brush kids teeth after every meal that’s served at school.

That was recently reinstated after being suspended for a couple years and the teachers are practically (as much as they legally can) begging the parents to sign the waivers to opt their kids out of it. I don’t blame them. It seems excessive and it’d take a ton of time for two teachers to scrub a dozen or so sets of toddler teeth, while also controlling said toddlers while they wait for everyone to finish.