eli5 : How do popular flouride/tooth sensitivity toothpastes & mouthwashes actually repair and treat tooth enamel when enamel is supposed to be irreparable?
In: Biology
Basically because enamel itself cannot be repaired by the body, but the fluoride in toothpaste can form a different compound that can fill in the gaps in teeth. So it’s filling in tooth enamel with a compound that isn’t tooth enamel. It’s not as strong, but as long as it fills in the lesion so that it can’t progress to a cavity it’s fine.
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