Approximately two: Actually time it. If you brush your teeth vigorously and correctly for two full minutes, they should be virtually spotless. Give it a try...
Answered 6/22/2013
5k views
Sonic Brushes: Have a timer and it is a good way to polish, whiten teeth, and massage gums for 2 min. If you're using manual, 3 minutes will be good to reach the different surfacesof the teeth - and flossing!
Answered 7/19/2013
5k views
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