eli5 : How do popular flouride/tooth sensitivity toothpastes & mouthwashes actually repair and treat tooth enamel when enamel is supposed to be irreparable?
I designed a WWTP (wastewater treatment plant) for GSK at a facility that made Sensodyne. We found out that brand of toothpaste contained microsilica which “plugged” the holes in your teeth. This is how the product works to help with sensitivity.
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