Increased peroxide content tooth bleaching gel
View Patent ↗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.
1. A two-component dental bleaching system wherein the components are adapted to be admixed and applied to 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 wherein said activator gel includes a base, and wherein neither the first nor second component incorporates a radiant energy or a heat-energy absorbing activator substance.
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 additionally comprises sodium fluoride and potassium nitrate.
12. The dental bleaching system according to claim 1 , wherein the activator gel additionally comprises potassium nitrate and tetrapotassium pyrophosphate.
13. A two-component dental bleaching system wherein the components are adapted to be admixed and applied to teeth for sustained contact, said system comprising:
a first component comprising both carbamide peroxide and hydrogen peroxide; and
a second component comprising an orally compatible activator gel wherein said activator gel includes a base, and comprises a composition selected from the group consisting of:
Propylene Glycol
49.97%
by wt.
Hydroxypropyl Cellulose
1.980%
by wt.
Glycerin
38.100%
by wt.
Peppermint Flavor
0.200%
by wt.
Peppermint Oil
0.400%
by wt.
DI Water
0.500%
by wt.
Sodium Fluoride
0.350%
by wt.
Fumed Silica
8.200%
by wt.;
Propylene Glycol
45.576%
by wt.
Hydroxypropyl Cellulose
1.980%
by wt.
Glycerin
40.000%
by wt.
Peppermint Flavor
0.200%
by wt.
Peppermint Oil
0.400%
by wt.
Fumed Silica
11.000%
by wt.
DI Water
0.544%
by wt.;
Propylene Glycol
40.767%
by wt.
Hydroxypropyl Cellulose
1.980%
by wt.
Glycerin
32.753%
by wt.
Cherry Flavor
0.600%
by wt.
Fumed Silica
5.600%
by wt.
Potassium Nitrate
5.400%
by wt.
DI Water
12.600%
by wt.;
Propylene Glycol
40.767%
by wt.
Hydroxypropyl Cellulose
1.980%
by wt.
Glycerin
32.753%
by wt.
Peppermint Flavor
0.200%
by wt.
Peppermint Oil
0.400%
by wt.
Fumed Silica
5.600%
by wt.
Potassium Nitrate
5.400%
by wt.
DI Water
12.600%
by wt.;
and mixtures thereof, wherein the claimed weight percentages for each composition total 100%.
14. A two-component dental bleaching system adapted to be admixed and applied to teeth for sustained contact, said system comprising:
a first component comprising a mixture of carbamide peroxide and hydrogen peroxide, and
a second component comprising an orally compatible activator gel comprising a base, a gelling agent, an aliphatic polyol, and a flavoring agent, and wherein neither the first nor second component incorporates a radiant energy or a heat-energy absorbing activator substance.
15. The two-component bleaching system of claim 14 wherein said gelling agent is selected from the group consisting of cellulosic gums, silica, emulsifying waxes and mixtures thereof.
16. The two-component bleaching system of claim 14 wherein said aliphatic polyol is selected from the group consisting of glycerin, propylene glycol and mixtures thereof.
17. The two-component bleaching system of claim 14 wherein said flavoring agent is selected from the group consisting of taste enhancement agents, flavor enhancement agents and mixtures thereof.
18. The two-component bleaching system of claim 15 wherein said gelling agent comprises hydroxypropyl cellulose.
19. The two-component bleaching system of claim 14 wherein said hydrogen peroxide is present in an amount of from about 10% to about 20% by weight of the first component.
20. The two-component bleaching system of claim 14 wherein said carbamide peroxide is present in an amount of from about 10% to about 25% by weight of the first component.
21. A two-component dental bleaching system wherein the components are adapted to be admixed and applied to teeth for sustained contact, said system comprising:
a first component comprising both carbamide peroxide and hydrogen peroxide; and
a second component comprising an orally compatible activator gel comprising propylene glycol, hydroxypropyl cellulose, glycerin, DI water, and sodium fluoride, and wherein neither the first nor second component incorporates a radiant energy or a heat-energy absorbing activator substance.
22. The two-component dental bleaching system of claim 21 wherein said propylene glycol is present in an amount of from about 40% by wt. to about 50% by wt. based on the total weight of the second component.
23. The two-component dental beaching system of claim 21 wherein said glycerin is present in an amount from about 32% by wt. to about 40% by wt. based on the total weight of the second component.