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US 10,765,499 B2Granted
Method of bleaching teeth
AssigneeColgate-Palmolive Company
InventorsFabian Tenenbaum, Lion Flyash
Life of this patent
Estimating the term…
Abstract
A method for bleaching teeth comprising applying a first bleaching composition having a first concentration of a bleaching agent to teeth to be bleached immediately followed by applying a second bleaching composition having a second concentration of a bleaching agent to teeth to be bleached. The second concentration of the bleaching agent is less than the first concentration of the bleaching agent.
Claims19
A method for bleaching teeth comprising:
- applying a first bleaching composition having a first concentration of a first bleaching agent to teeth;
- placing a second bleaching composition having a second concentration of a second bleaching agent in a dental tray;
- and
- subsequently applying the dental tray to the teeth;
- wherein the second concentration of the second bleaching agent is less than the first concentration of the first bleaching agent.
2 more elements
A method for bleaching teeth comprising:
- applying a first bleaching composition having a first concentration of a first bleaching agent to teeth;
- subsequently applying a second bleaching composition having a second concentration of a second bleaching agent to the first bleaching composition on the teeth, the second bleaching composition being a gel;
- wherein the second concentration of the second bleaching agent is less than the first concentration of the first bleaching agent.
A method for bleaching teeth comprising:
- applying a first bleaching composition having a first concentration of a first bleaching agent to teeth;
- subsequently applying a second bleaching composition having a second concentration of a second bleaching agent to the teeth;
- and
- applying a DC current through the first and second bleaching compositions which both remain on the teeth;
- wherein the second concentration of the second bleaching agent is less than the first concentration of the first bleaching agent.
2 more elements
Dependencies are inferred from the claim text.