Sustained release tooth whitening formulations and systems
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United States of America Patent
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Issued Date -
Aug 3, 2006
app pub date -
Dec 21, 2005
filing date -
Dec 21, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A new tooth whitening composition provides sustained release of high levels of whitening agent and is moisture-activated without significant swelling. A preferred system for applying the composition to the teeth is flexible, self-adhesive, and well-tolerated by users. In certain embodiments the tooth whitening composition comprises a mixture of tooth whitening agents, with a first whitening agent selected so as to release peroxide gradually upon contact with moisture and produce an alkaline pH, and a second whitening agent selected so as to release peroxide rapidly upon contact with moisture.
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