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What are effective methods of teeth whitening?

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Effective methods of teeth whitening include whitening toothpastes, rinses, strips, trays and over-the-counter gels, according to WebMD. Individuals can also use bleaching products that contain peroxide or visit a dentist for professional bleaching, explains the American Dental Association.

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Whitening toothpastes or dentifrices contain mild abrasives that remove surface stains, states WebMD. They also contain chemical agents that polish the teeth. Over-the-counter whitening methods such as strips and gels often contain carbamide peroxide, which bleaches the teeth, claims the American Dental Association. Professional in-office bleaching is a method that uses heat, a laser or special light, sometimes in conjunction with hydrogen peroxide, to whiten the teeth in 30 to 60 minutes. In-office bleaching methods have the most dramatic results but are also the most expensive.

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