Method for whitening teeth

Dentistry – Method or material for testing – treating – restoring – or...

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424616, 424687, 424688, 424693, 424709, 424710, 424717, A61K 600, A61K 720, A61K 3308, A61K 3310

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active

057137382

ABSTRACT:
A method for whitening teeth which utilizes laser light to activate bleaching agents applied to the teeth is disclosed. The mouth is first prepared so that the soft tissues of the gums are protected and only the teeth are exposed. The teeth are cleaned to remove any materials which will reduce or nullify the effects of the bleaching agents. A first bleaching composition comprising a peroxide compound is prepared and applied to the teeth. The teeth are exposed to laser light from an argon laser which light activates the peroxide to accelerate the bleaching process without heat. If further whitening is desired, a second bleaching composition comprising a peroxide compound is prepared and applied to the teeth. The teeth are briefly exposed to laser light from a carbon dioxide laser which heat activates the peroxide to accelerate the bleaching process.

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Journal of Endodontics, vol. 15, No. 3 Mar. 1989, Stewart Ho, DMD "An In Vitro Comparison of Different Bleaching Agents in the Discolored Tooth.", pp. 106-111.
Asian Journal of Aesthetic Dentistry, vol. 1 No. 2 Jul. 1993, C.G. Toh "Clinical evaluation of a dual-activated bleaching system".

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