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

submitted 9 months ago by [email protected] to c/[email protected]

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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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[–] [email protected] 19 points 9 months ago

Brushing for longer has diminishing returns and hurts your gums. I'm just speculating, but it's mostly about removing debris from your mouth and applying flouride to your teeth.