Why is it that we must brush our teeth twice/or more a day?

Question

why twice a day? whats wrong with once a day?

please explain why we must brush our teeth in the morning and at night, i din't understand what brushing your teeth before bed changes, if you still wake up with fishy breath?

Answer 1

The most important time to brush and floss is before bed,  because it is during the inactive nightime that most decay occurs,  if food and bacteria sit there all night.

The hygiene in the morning is for 2 reasons.   First,  your teeth have sat all night in a dry mouth gathering plaque and bacteria,  that is why morning breath is so bad.    Second,  it's just good manners for anyone you plan to talk to that day to have nice fresh breath !

Answer 2

To keep your teeth healthy by eliminating as much plaque build up as you can.

Answer 3

you don't HAVE to brush more than once a day. the best time to brush, if you're doing it once, it before bedtime. and floss too.

you only have to remove plaque from your mouth every 24 hours before it becomes tartar, which leads to cavities.

they want us to use more toothpaste so they can make more money.  

Answer 4

idk, i think its important to brush teeth twice anytime to keep them clean and healthy and not all rotten and gross.  

Answer 5

cavities buddy u dont want 2 end up looking like carole in the futchure

Answer 6

People usually brush twice a day because they want their teeth to be extra white and healthy.