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US 8,940,651 B2Granted
Lithium silicate materials
AssigneeIvoclar Vivadent AG
InventorsElke Signer-Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger
Life of this patent
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Abstract
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
Claims7
A lithium silicate glass ceramic for dental restorations which comprises:
- a main crystalline phase comprising lithium metasilicate, and wherein the lithium metasilicate comprises lamellar or platelet crystals;
- and has a strength of about 80 to 150 Mpa.
Dependencies are inferred from the claim text.