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Whitening - Home Whitening

Glossary W Whitening - Home Whitening

The most common type of home tooth whitening involves placing a gel-like whitening solution, which usually contains hydrogen peroxide, in a tray that resembles a night guard or mouth guard. Over-the-counter mouth¬pieces are unlikely to fit correctly and can cause gum irritation if the whitening agent seeps out. Over-the- counter mouthpieces are unlikely to fit correctly and can cause gum irritation if the whitening agent seeps out. The tray is then placed over the teeth for a certain period of time — anywhere from an hour or two to overnight.