Question

Advertisement on fresh fell mouthwash
Class 10th

Answer 1

Answer:

The reader’s concern was that it is not possible to truly rebuild or restore tooth enamel, which, once lost, is lost forever.  Other consumers had the same concern and filed a class-action lawsuit against ACT Restoring Anticavity Fluoride Mouthwash in March, 2014 alleging the company deceptively markets that the mouthwash “rebuilds tooth enamel.”

While it is not possible to regrow lost enamel, it is possible to help protect remaining enamel from further erosion and to reinforce weak spots. If you’re concerned about enamel erosion, look for a good fluoride toothpaste or mouthwash, which will help make the tooth’s surface more resistant to acid.

As for one specific fluoride formula being better than another, however, the evidence seems to be shaky. According to the Wall Street Journal