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US 11,109,949 B2Granted
Lithium silicate materials
AssigneeIvoclar Vivadent AG
InventorsMarcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
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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.
Claims2
A lithium silicate dental glass-ceramic article comprising a machinable phase comprising lithium metasilicate crystalline phase that forms 30-40 vol % of the lithium silicate material, wherein the crystals in the crystalline phase are remote from each other.
Dependencies are inferred from the claim text.