Patent ID: 6254857
Filing Date: 2001-07-03
Classification: A61K,A61Q

Abstract:
A method of whitening stained or discolored teeth in the oral cavity with an enhanced sensory signal which comprises applying to the teeth a two component whitening composition, comprised of a first component containing in a vehicle a safe amount of a peroxide compound effective to whiten teeth, and a second component containing a mixture of iron and copper salts in a vehicle, the salt mixture being present in the vehicle in an amount effective to activate the peroxide compound, the first and second components being maintained separate from each other until dispensed for application to the teeth, dispensing and mixing the separately maintained components so that the iron and copper salt mixture of the second component interacts with the peroxide compound of the first component whereby the breakdown of the peroxide compound and the release of active oxygen provides effervescent sensory signal concomitant with whitening of the teeth.