Method and apparatus for tooth whitening
a tooth whitening and tooth technology, applied in the field of tooth whitening methods and utensils, can solve the problems of inconvenient patient wear of tooth bleaching trays, inconvenient tooth cleaning for patients, and inability to remove intra-oral staining by mechanical methods, etc., and achieve the effect of effective tooth whitening
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[0056] These embodiments are set forth to describe and illustrate the invention, but are not intended to be limiting. The invention may achieve rapid tooth whitening by using a preconditioning rinse and hand held consumer light for emitting optical energy and a safe amount of heat to penetrate an oxidizing compound placed directly on the tooth surface to be whitened.
[0057] There are known compositions that include light (or heat), which can be added to an oxidizing compound (e.g. gel or solution) and dispersed directly in and homogenously throughout the oxidizing compound. Some references and text are noted: for example Kirk-Othmer Encyclopedia of Chemical Technology, 4th edition, volumes 4 (1992), 13 (1995), 18 (1996), John Wiley & Sons, N.Y.; Goldstein and Garber, Complete Dental Bleaching, Quintessence Publishing Co. 1995; and the Journal of the American Dental Association, Vol. 128, Special Supplement, April 1997.
[0058] For tooth whitening the greatest oxidizing activity is re...
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