eli5 : How do popular flouride/tooth sensitivity toothpastes & mouthwashes actually repair and treat tooth enamel when enamel is supposed to be irreparable?
In: Biology
Just as alex said. It is really important to note though, “repair” is a really scummy term in this sense but it’s technically true so the companies get away with it.
Think of it like tape covering a hole. Enamel is duct tape, strong and usually enough to last a lifetime while the flouride is like clear/scotch tape where you have to keep re-applying it constantly.
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