US2003190293A1PendingUtilityA1

Increased peroxide content tooth bleaching gel

57
Priority: Sep 9, 1999Filed: Jan 22, 2003Published: Oct 9, 2003
Est. expirySep 9, 2019(expired)· nominal 20-yr term from priority
Inventors:Michael A. Pellico
A61Q 11/00A61K 8/22A61K 8/731A61K 2800/88A61K 8/42A61K 8/19
57
PatentIndex Score
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Claims

Abstract

A two-component tooth whitening system which incorporates an increased peroxide content, wherein the components are adapted to be mixed and applied to the teeth from a dental bleaching tray is provided. A first component includes both carbamide peroxide and hydrogen peroxide and a second component comprises an orally compatible activator gel.

Claims

exact text as granted — not AI-modified
1 . A two-component dental bleaching system wherein the components are adapted to be admixed and applied to the teeth from a dental tray for sustained contact, said system comprising: 
 as a first component, a dental peroxide gel comprising both carbamide peroxide and hydrogen peroxide; and    as a second component, an orally compatible activator gel.    
     
     
         2 . The dental bleaching system according to  claim 1 , wherein the first component includes hydroxypropyl cellulose.  
     
     
         3 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at a weight percentage of at least about 10%, based on the total weight of said first component.  
     
     
         4 . The dental bleaching system according to  claim 1 , wherein the first component comprises hydrogen peroxide at a weight percentage of at least about 0.5%, based on the total weight of the first component.  
     
     
         5 . The dental bleaching system according to  claim 1 , wherein the first component comprises hydrogen peroxide at a weight percentage of at least about 5%, based on the total weight of the first component.  
     
     
         6 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at a weight percentage of at least about 16% and hydrogen peroxide at a weight percentage of at least about 1.5%, based on the total weight of the first component.  
     
     
         7 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at a weight percentage from about 10% to about 25% and hydrogen peroxide at a weight percentage from about 0.5% to about 10%, based on the total weight of the first component.  
     
     
         8 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at about 16% by weight and hydrogen peroxide at about 1.3% by weight, based on the total weight of the first component.  
     
     
         9 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at about 16% by weight and hydrogen peroxide at about 6% by weight, based on the total weight of the composition.  
     
     
         10 . The dental bleaching system according to  claim 1 , wherein the first component comprises carbamide peroxide at a weight percentage of about 16% and hydrogen peroxide at a weight percentage of about 10%, based on the total weight of the composition.  
     
     
         11 . The dental bleaching system according to  claim 1 , wherein the activator gel comprises sodium fluoride and potassium nitrate.  
     
     
         12 . The dental bleaching system according to  claim 1 , wherein the activator gel comprises potassium nitrate and tetrapotassium pyrophosphate.  
     
     
         13 . A two-component dental bleaching system, wherein the components are adapted to be admixed and applied to the teeth from a dental tray for sustained contact, said system comprising: 
 as a first component, a dental peroxide gel comprising:                                                Propylene Glycol USP   33.000%;         Klucel GFF   1.980%;         Glycerine USP   8.420%;         Propylene Glycol USP   8.900%;         CAB-O-SIL EH-5   4.500%;         Carbamide Peroxide USP   16.200%;         Polawax NF   8.000%;         Glycerine USP   16.100%;         Hydrogen Peroxide 50% CG   2.900%;             and         Antifoaming Agent   q.s.                                                       
     
     
         14 . A two-component dental bleaching system, wherein the components are adapted to be admixed and applied to the teeth from a dental tray for sustained contact, said system comprising: 
 as a first component, a dental peroxide gel comprising:                                                Propylene Glycol USP   33.000%;         Klucel GFF   1.980%;         Glycerine USP   11.920%;         CAB-O-SIL EH-5   4.500%;         Carbamide Peroxide USP   16.200%;         Polawax NF   6.500%;         Glycerine USP   14.100%;         Hydrogen Peroxide 50% CG   11.800%;             and         Antifoaming Agent   q.s.                                                      
     
     
         15 . A two-component dental bleaching system, wherein the components are adapted to be admixed and applied to the teeth from a dental tray for sustained contact, said system comprising: 
 as a first component, a dental peroxide gel comprising:                                                Propylene Glycol USP   19.600%;         Klucel GFF   1.980%;         Glycerine USP   16.920%;         CAB-O-SIL EH-5   4.500%;         Carbamide Peroxide USP   16.200%;         Polawax NF   6.500%;         Glycerine USP   14.100%;         Hydrogen Peroxide 50% CG   20.200%;             and         Antifoaming Agent   q.s.                                                      
     
     
         16 . A tooth bleaching gel composition comprising carbamide peroxide and aqueous hydrogen peroxide in the absence of a radiant energy or heat energy activator substance.  
     
     
         17 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at a weight percentage of at least about 10%, based on the total weight of the composition.  
     
     
         18 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises hydrogen peroxide at a weight percentage of at least about 0.5%, based on the total weight of the composition.  
     
     
         19 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises hydrogen peroxide at a weight percentage of at least about 5%, based on the total weight of the composition.  
     
     
         20 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at a weight percentage of at least about 16% and hydrogen peroxide at a weight percentage of at least about 1.5%, based on the total weight of the composition.  
     
     
         21 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at a weight percentage from about 10% to about 25% and hydrogen peroxide at a weight percentage from about 0.5% to about 10%, based on the total weight of the composition.  
     
     
         22 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at about 16% by weight and hydrogen peroxide at about 1.3% by weight, based on the total weight of the composition.  
     
     
         23 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at about 16% by weight and hydrogen peroxide at about 6% by weight, based on the total weight of the composition.  
     
     
         24 . The tooth bleaching gel composition according to  claim 16 , wherein the composition comprises carbamide peroxide at a weight percentage of about 16% and hydrogen peroxide at a weight percentage of about 10%, based on the total weight of the composition.  
     
     
         25 . A method for bleaching teeth comprising: 
 providing a dual barreled syringe wherein the first barrel of said syringe is loaded with a dental peroxide gel comprising both carbamide peroxide and hydrogen peroxide and the second barrel of said dual barrel syringe comprising an orally compatible activator gel;    dispensing the first and second components from the syringe into a bleaching tray while mixing said components together to thereby form a bleaching gel; and    applying the bleaching tray and mixed together bleaching gel to the teeth to be whitened.    
     
     
         26 . The method according to  claim 25 , wherein the dental peroxide gel comprises carbamide peroxide at a weight percentage of at least about 10%, based on the total weight of said dental bleaching gel.  
     
     
         27 . The method according to  claim 25 , wherein the dental bleaching gel comprises hydrogen peroxide at a weight percentage of at least about 0.5%, based on the total weight of the dental bleaching gel.  
     
     
         28 . The method according to  claim 25 , wherein the dental peroxide gel comprises hydrogen peroxide at a weight percentage of at least about 5%, based on the total weight of the dental peroxide gel.  
     
     
         29 . The method according to  claim 25 , wherein the dental peroxide gel comprises carbamide peroxide at a weight percentage of at least about 16% and hydrogen peroxide at a weight of at least 1.5%, based on the total weight of the dental peroxide gel.  
     
     
         30 . The method according to  claim 25 , wherein the dental peroxide gel comprises carbamide peroxide at a weight percentage of at about 10% to about 25% and hydrogen peroxide at a weight percentage of from about 0.5% to about 10%, based on the total weight of the dental peroxide gel.  
     
     
         31 . The method according to  claim 25 , wherein the dental peroxide gel comprises carbamide peroxide at about 16% by weight and hydrogen peroxide at about 0.5% to about 10% by weight, based on a total weight of the dental peroxide gel.  
     
     
         32 . The method according to  claim 25 , wherein the dental peroxide gel comprises carbamide peroxide at a weight percentage of about 16% and hydrogen peroxide at a weight percentage of about 10%, based on the total weight of the dental peroxide gel.  
     
     
         33 . The method according to  claim 25 , wherein the activator gel comprises sodium fluoride and potassium nitrate.  
     
     
         34 . The method according to  claim 25 , wherein the activator gel comprises potassium nitrate and tetrapotassium pyrophosphate.

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