Tooth Whitening Products

Abstract

A tooth whitening product is provided. The tooth whitening product includes a material sized to cover at least a portion of the front surface of a plurality of teeth. A thin layer of a tooth whitening composition is disposed on the material. The whitening composition contains a peroxide active with a concentration greater than about 7.5% and less than about 20% by weight of the tooth whitening composition, and the tooth whitening composition has a peroxide density less than about 2.4 mg/cm 2 .

1 - 20 . (canceled) 
     
     
         2 . A tooth whitening product, comprising:
 a material sized to cover at least a portion of the front surface of a plurality of teeth;   a tooth whitening composition disposed on said material, wherein said tooth whitening composition comprises a peroxide active having a concentration greater than about 7.5% and less than about 20% by weight of said tooth whitening composition; and   wherein said tooth whitening composition has a peroxide density less than about 2.4 mg/cm 2 .   
     
     
         22 . The tooth whitening product of claim  21 , wherein the peroxide active has a concentration greater than about 8.0%. 
     
     
         23 . The tooth whitening product of claim  21 , wherein the peroxide active has a concentration greater than about 10% and less than about 40%. 
     
     
         24 . The tooth whitening product of claim  21 , wherein said peroxide density is between about 0.01 mg/cm 2  and about 2.4 mg/cm 2 . 
     
     
         25 . The tooth whitening product of  claim 22 , wherein said peroxide density is between about 0.05 mg/cm 2  and about 2.4 mg/cm 2 . 
     
     
         26 . The tooth whitening product of claim  21 , wherein said tooth whitening composition further comprises water. 
     
     
         27 . The tooth whitening product of  claim 26 , wherein the amount of said water is up to about 92% by weight of said whitening composition. 
     
     
         28 . The tooth whitening product of  claim 27 , wherein the amount of said water is between about 60% and about 90% by weight of said whitening composition. 
     
     
         29 . The tooth whitening product of claim  21 , wherein said tooth whitening composition further comprises a gelling agent. 
     
     
         30 . The tooth whitening product of  claim 29 , wherein the amount of said gelling agent is between about 1% and about 10% by weight of said tooth whitening composition. 
     
     
         31 . The tooth whitening product of  claim 30 , wherein the amount of said gelling agent is between about 3% and about 6% by weight of said tooth whitening composition. 
     
     
         32 . The tooth whitening product of claim  21 , wherein the tooth whitening composition has a thickness of less than about 0.3 mm. 
     
     
         33 . The tooth whitening product of claim  21 , wherein the thickness of said tooth whitening composition is between about 0.008 mm and about 0.1 mm. 
     
     
         34 . The tooth whitening product of claim  21 , wherein the tooth whitening composition is formed as a stripe or a plurality of spots. 
     
     
         35 . The tooth whitening product of claim  21 , wherein the material is formed as a tray. 
     
     
         36 . A method of whitening teeth, comprising:
 applying a tooth whitening product comprising:
 a material sized to cover at least a portion of the front surface of a plurality of teeth; 
 a tooth whitening composition disposed on said material, wherein said tooth whitening composition comprises a peroxide active having a concentration greater than about 7.5% and less than about 20% by weight of said tooth whitening composition; and 
   wherein said tooth whitening composition has a peroxide density less than about 2.4 mg/cm 2 .   
     
     
         37 . The method of  claim 36 , wherein said peroxide density is between about 0.05 mg/cm 2  and about 2.4 mg/cm 2 . 
     
     
         38 . The method of  claim 37 , wherein said tooth whitening composition further comprises water. 
     
     
         39 . The tooth whitening product of  claim 38 , wherein the amount of said water is between about 60% and about 90% by weight of said whitening composition. 
     
     
         40 . The tooth whitening product of  claim 34 , wherein said tooth whitening composition further comprises a gelling agent.