Tooth whitening method and apparatus

Details Tooth whitening method and apparatus Tooth whitening method and apparatus

A - Human Necessities

61

C

A61C 17/00 (2006.01) A61C 3/00 (2006.01)

Patent

CA 2319890

A light emitting device which is capable of emitting light energy suitable for initiating a photoreaction, and is intended for use in conjunction with a photoreactive tooth whitening compound. The device has a housing, a light generator mounted to the housing capable of generating light energy having a light output wavelength within the absorption spectrum of the whitening compound, a power source for providing power to energize the light generator to generate the light energy, and a controller coupled to the power source for controlling the power provided by the power source to the light generator. In another aspect, the invention includes a method for whitening teeth. The method includes the steps of selecting a photoreactive tooth whitening compound, applying the photoreactive tooth whitening compound onto a tooth surface to be whitened, and directing light energy onto the tooth surface, wherein the light energy has a light output wavelength within the absorption spectrum of the whitening compound, until the tooth surface has been whitened sufficiently.

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