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US 5,849,266 AGranted
Dental composition for hypersensitive teeth
AssigneePerio Products Ltd.
InventorMichael Friedman
Life of this patent
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Abstract
The invention relates to an oral composition for the treatment and prevention of dental hypersensitivity comprising an anti-hypersensitivity agent embedded in a sustained release carrier such as a cellulosic or hydrophobic polymer, and a method for the use of said composition in treating and preventing dental hypersensitivity. The invention also provides for the supplementation of said oral composition with an adhesive and a plasticizer to increase the effectiveness of the anti-hypersensitivity agent.
Claims14
A sustained-release dental hypersensitivity preventative varnish composition which comprises:
- (a) an agent capable of suppressing dental hypersensitivity;
- and
- (b) a sustained-release ethyl cellulose or hydrophobic polymer completely dissolved in a pharmaceutically acceptable solvent,
- wherein said sustained-release hydrophobic polymer is selected from the group consisting of polyethylene, polyamide-nylon, poly(ethylene-vinyl acetate) cellulose nitrate and silicones,
- wherein said pharmaceutically acceptable solvent comprises a solvent selected from the group consisting of water, ethyl alcohol, and a mixture of ethyl alcohol and water;
- and
- wherein said composition forms a film which adheres to a dental surface upon removal of said solvent, and
- wherein said film which adheres to a dental surface is capable of providing efficacious levels of said agent for the treatment of said dental hypersensitivity for a suitable period of time.
5 more elements
Dependencies are inferred from the claim text.