TEETH WHITENING PRODUCT CONTAINING PIEZOELECTRIC MATERIAL
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United States of America Patent
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Feb 25, 2021
app pub date -
Jul 14, 2020
filing date -
Aug 19, 2019
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Abstract
The present invention discloses a teeth whitening product containing a piezoelectric material. The present invention uses a piezoelectric material with piezoelectric effect as a whitening ingredient of the teeth whitening product. The teeth whitening product is applied to teeth and exerts pressure on the tooth surface to activate piezoelectric properties of the piezoelectric material. Thus, abundant reactive species are produced to degrade teeth stains, achieving teeth whitening. The teeth whitening product of the invention is safe and nontoxic; a teeth whitening method is easy to operate, does not cause damage to oral soft tissues, enamel layers on the tooth surface, and the tooth structure, and obtains a long-lasting teeth whitening effect.
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