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US 6,381,989 B1Granted
Heat treated fibers for reinforced dental restorations and method of manufacture thereof
AssigneeJeneric/Pentron Incorporated
InventorsAjit Karmaker, Arun Prasad
Life of this patent
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Abstract
A method for processing a glass fiber material, wherein the glass fiber material has been heat treated at a temperature less than or equal to the annealing temperature of the glass for a length of time effective to prevent separation and fraying of the edges of the material upon cutting.
Claims7
A method of making a dental restoration comprising:
- applying to a dental restoration site a heat treated glass fiber material formed by:
- providing a glass fiber material which frays upon cutting;
- and
- heat treating the glass fiber material at a temperature less than its annealing point, for a period of time effective to prevent fraying of the glass fiber material upon cutting of the material.
1 more element
Dependencies are inferred from the claim text.