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Tooth Whitening PatentFrom Dental International

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By: TOM BRANNA

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US Patent No. 8,277,783 B2; Millen-nium Dental International, Brookfield, CT, has patented a method of whitening a tooth. It entails applying to the tooth an oxidizing agent comprising between about 0.005 to about 3.0% by weight of a compound of the formula R1 (MnO4)n, or mixtures thereof, wherein R1 is H, an alkali-metal, or an alkaline earth metal, and n is 1 when R1 is H or an alkali-metal and 2 when R1 is an alkaline earth metal; and a reducing agent comprising between about 1-3% by weight o...

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