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US 6,162,055 AGranted
Light activated tooth whitening composition and method of using same
AssigneeBriteSmile, Inc.
InventorsRobert Eric Montgomery, Salim A. Nathoo
Life of this patent
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Abstract
The present invention provides a tooth whitening composition having a transparent first component that is a carrier compound and a transparent second component that is an oxidizing compound which when applied to a stained tooth and exposed to actinic light is activated to facilitate tooth whitening. The invention also provides a method for light-activated tooth whitening which comprise applying a tooth-whitening composition to one or more teeth and exposing said composition to actinic light to activate said oxidizing compound.
Claims12
A method for light-activated tooth whitening comprising the steps of:
- applying a photosensitizing agent which absorbs actinic radiation when in contact with the surface of a tooth to one or more teeth;
- applying an tooth-whitening composition containing a transparent carrier compound and a transparent oxidizing compound capable of facilitating tooth whitening on top of said photosensitizing agent;
- and
- exposing said photosensitizing agent and said tooth-whitening composition to actinic light to activate said oxidizing compound.
1 more element
Dependencies are inferred from the claim text.