Process and composition for high efficacy teeth whitening
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United States of America Patent
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Apr 2, 2002
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N/A
app pub date -
Jul 17, 2000
filing date -
Jul 7, 1999
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Abstract
A process and composition for bleaching teeth made up of two formulations blended together before each application. The invention offers faster results while significantly reducing the possibility of user discomfort. One of said formulations contains hydrogen peroxide (in a free form or in the form of an adduct), the other contains salts and hydroxides and/or oxides of metals belonging to the first or second group of the Periodic Table which stimulate the generation of radical oxygen. The invention allows for balancing pH and assuring adequate water concentration to avoid tissue desiccation and user discomfort without compromising shelf life of the device.
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