Tooth Bleaching Ottawa: How do whitening toothpastes whiten teeth?

How do whitening toothpastes whiten teeth?

Toothpastes remove stains from the surface of enamel by means of a mild abrasive; they do not change the color of the enamel. Whitening toothpastes contain a chemical that provides additional stain removal. Peroxide is one of the usual substances used. In over-the-counter formulas, peroxide is generally found at most to have a strength of 10%.