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A member asked:
Some reports say to preserve the benefit of fluoride, you have to wait b30 min before rinsing with water after brushing teeth,. how is it possible?
A doctor has provided 1 answer
Topical fluoride: The fluoride needs time to penetrate through the enamel of the teeth in order to replace the existing ions with cavity-resistant fluorine ions. It's better to wait to rinse so that you don't wash off the topical fluoride.
Answered 2/16/2016
1.6k views
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