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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[-] wolf@lemmy.zip 7 points 11 months ago

I also got the 'brush after every contact with sugar' thingy.

The common agreement nowadays seems to be twice a day and the points are very clear: before you go to bed and soon after getting up in the morning, to bring some fluid to the nasty bacteria, remove their food and plaque from your teeth.

[-] can@sh.itjust.works 6 points 11 months ago* (last edited 11 months ago)

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

[-] Touching_Grass@lemmy.world 2 points 11 months ago

Why

[-] can@sh.itjust.works 6 points 11 months 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.

this post was submitted on 26 Nov 2023

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