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

submitted 1 year 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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[–] can@sh.itjust.works 6 points 1 year ago* (last edited 1 year ago) (1 children)

Please wait at least 30 mins before brushing after sugary and especially acidic things.

[–] Touching_Grass@lemmy.world 2 points 1 year ago (1 children)

Why

[–] can@sh.itjust.works 6 points 1 year ago

Acid is still fresh on your teeth and you're just scraping it into the enamel breaking it down. You should wait or at least swish some water around.