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Teeth Whitening

Important Things to Know

Dental bleaching (also termed tooth whitening), is the either the restoration of the natural tooth shade or whitening beyond the natural tooth shade, depending on what definition is used. It is a common procedure in cosmetic dentistry. Many methods are available, including brushing, bleaching strips, bleaching pen, bleaching gel, and laser bleaching.

Bleaching methods use carbamide peroxide which reacts with water to form hydrogen peroxide. Carbamide peroxide has about a third of the strength of hydrogen peroxide. This means that a 15% solution of carbamide peroxide is the rough equivalent of a 5% solution of hydrogen peroxide. The peroxide oxidizing agent penetrates the porosities in the rod-like crystal structure of enamel and breaks down stain deposits in the dentin.

  1 Light-accelerated bleaching

  2 In-office

  3 Internal bleaching