Patent ID: 6290935
Filing Date: 2001-09-18
Classification: A61K,A61Q

Abstract:
A method of whitening stained or discolored teeth in the oral cavity which comprises applying to the teeth a two component dentifrice composition, the composition being comprised of a first component containing in a vehicle, a peroxide compound and a second component containing in a vehicle a Fe ion implanted synthetic silicate clay compound, the Fe implanted clay being present 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 Fe ion implanted clay 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 is accelerated and then allowing the mixed components to remain on the teeth for a time sufficient to effect accelerated whitening thereof.