Methods for whitening teeth

CAFC
  • US 7,122,199 B2
  • Filed: 04/06/2005
  • Issued: 10/17/2006
  • Est. Priority Date: 06/06/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of bleaching a plurality of adjacent teeth, the teeth having facial and lingual surfaces, comprising:

  • applying a tooth bleaching delivery system to a plurality of adjacent teeth, wherein the tooth bleaching delivery system comprises a strip of material and a tooth bleaching composition having a peroxide active and wherein the strip of material comprises a plurality of layers and one of the layers is a non-woven material, wherein applying the tooth bleaching system comprises;

    a) applying a first portion of the strip of material and tooth bleaching composition to the facial surfaces of the plurality of adjacent teeth so that the tooth bleaching composition contacts the facial surfaces of the plurality of adjacent teeth;

    b) folding a second portion of the strip of material and tooth bleaching composition about the incisal edges of the plurality of adjacent teeth;

    c) applying the second portion of the strip and tooth bleaching composition to at least a portion of the lingual surfaces of one or more of the plurality of adjacent teeth, wherein the tooth bleaching composition is adhesive during use and wherein the tooth bleaching delivery system is applied to the facial and lingual surfaces of the plurality of adjacent teeth for a sufficient period of time for the peroxide active to act upon the facial surfaces of the plurality of adjacent teeth; and

    wherein the tooth bleaching delivery system is applied for a period of time between about 5 minutes and about 120 minutes.

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