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