Tooth bleaching compositions

Details Tooth bleaching compositions Tooth bleaching compositions

A - Human Necessities

61

K

A61K 8/22 (2006.01) A61Q 11/00 (2006.01) A61Q 11/02 (2006.01)

Patent

CA 2238764

The present invention relates to improved dental compositions and methods for bleaching teeth. More specifically, this invention is directed towards hydrogen peroxide-containing compounds that are maintained at a substantially constant pH range of 6.0-10.0 during the tooth-bleaching procedure in the presence of a calcium chelating agent.

La présente invention concerne des compositions dentaires améliorées et des procédés pour blanchir les dents. Elle concerne en particulier des composés contenant du peroxyde d'hydrogène maintenus à un pH pratiquement constant compris entre 6,0 et 10,0 pendant l'opération de blanchiment des dents, en présence d'un agent chélateur de calcium.

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