Claims
- 1. A polymer for use in dental restoratives wherein the polymer has a backbone structure comprising:
a) a first monomer unit comprising a carboxylic acid-functionalized vinyl monomer; and b) a second monomer unit comprising a vinyl amide.
- 2. The polymer of claim 1, wherein the polymer further comprises a free-radical or visible light curable moiety pendant to the polymer backbone.
- 3. The polymer of claim 2 wherein said free-radical or visible light curable moiety is selected from the group consisting of vinyl-substituted unsaturated cyclic imino ethers, 2-isocyanatoethyl methacrylate, and glycidyl methacrylate.
- 4. The polymer of claim 1 wherein said carboxylic acid-functionalized vinyl monomer is selected from the group consisting of acrylic acid, maleic acid, itaconic acid, methacrylic acid, citraconic acid, N-acryloyl substituted amino acids, N-methacryloyl substituted amino acids, and combinations thereof.
- 5. The polymer of claim 4, wherein said polymer comprises at least two of said carboxylic acid-functionalized vinyl monomers.
- 6. The polymer of claim 1 wherein the vinyl amide is selected from the group consisting of acrylamide, methacrylamide, dimethylacrylamide, isopropylacrylamide, N-vinyl-2-pyrrolidone, N-vinylcarbazole, N-vinylsuccinimide, N-vinylcaprolactam, and N-vinylimidazole.
- 7. The polymer of claim 6 wherein the vinyl amide is N-vinyl-2-pyrrolidone.
- 8. The polymer of claim 1 wherein the concentration of the vinyl amide ranges from about 5 to about 25 mole percent.
- 9. The polymer of claim 8 wherein the concentration of the vinyl amide ranges from about 5 to about 10 mole percent.
- 10. A polymer for use in dental restoratives wherein the polymer has a backbone structure comprising:
a) a first monomer unit comprising a carboxylic acid-fanctionalized vinyl monomer; and b) a second monomer unit comprising a free-radical polymerizable amide.
- 11. A dental restorative comprising:
a) the polymer of claim 1; and b) an inorganic glass powder;
wherein the dental restorative is formed when said polymer is blended with said inorganic glass powder.
- 12. The dental restorative of claim 11, wherein the polymer has a molecular weight in the range of about 10,000 to about 100,000.
- 13. The dental restorative of claim 11 wherein the inorganic glass powder is a calcium fluoroaluminosilicate glass.
- 14. The dental restorative of claim 11 further comprising a free-radical or visible light curable moiety pendant to said polymer, said free-radical or visible light curable moiety selected from the group consisting of vinyl-substituted unsaturated cyclic imino ethers, 2-isocyanatoethyl methacrylate, and glycidyl methacrylate.
- 15. A method for preparing a polymer to be used in dental restoratives comprising:
a) polymerizing monomers comprising:
i) carbon chains containing a carboxylic acid group at one or both ends and containing at least one carbon-carbon double bond; and ii) a vinyl amide; and b) recovering said polymer from the reaction mixture.
- 16. The method of claim 15, wherein the recovered polymer is reacted with vinyl-substituted unsaturated cyclic imino ethers, 2-isocyanatoethyl methacrylate, or glycidyl methacrylate, to produce a visible light-curable polymer.
- 17. A free-radical or visible light curable dental restorative comprising:
a) the polymer of claim 16; and b) an inorganic glass powder.
- 18. A method for preparing a dental restorative comprising:
a) blending reactants comprising:
i) a polymer formed from at least one carboxylic acid-containing vinyl monomer and at least one vinyl amide monomer; ii) an inorganic glass powder; and b) applying the blended reactants to a dental area in need of restoration; and c) curing the applied blended reactants.
- 19. A kit for use in making dental restoratives comprising:
a) a polymer comprising carboxylic acid groups and amide groups; and b) an inorganic glass powder;
wherein the dental restorative is made by blending said polymer with said inorganic glass powder.
- 20. A kit for use in making dental restoratives comprising:
a) a carboxylic acid-containing vinyl monomer; b) a free-radical polymerizable amide-containing monomer; and c) an inorganic glass powder;
wherein a polymer is formed from said carboxylic acid-containing vinyl monomer and said free-radical polymerizable amide and said inorganic glass powder is blended with the polymer to form the dental restorative.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims priority to U.S. Provisional Application 60/259,934, filed Jan. 5, 2001, which is incorporated herein in its entirety.
[0002] This invention was made, at least in part, with government support under National Institutes of Health Grant No: DE 11682-03 awarded by the National Institute of Dental and Craniofacial Research. The U.S. government has certain rights in the invention.
Provisional Applications (1)
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Number |
Date |
Country |
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60259934 |
Jan 2001 |
US |