Lithium Silicate Glass Ceramic and Glass with ZrO2 Content
OwnerChristian Ritzberger, Ricardo Dellagiacomo +4inventors
InventorsChristian Ritzberger, Ricardo Dellagiacomo, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger
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Abstract
Lithium silicate glass ceramics and glasses are described which can advantageously be applied to zirconium oxide ceramics in particular by pressing-on in the viscous state and form a solid bond with these.
Claims21
A process for preparing dental restorations comprising shaping of a lithium silicate glass ceramic by
- (i) pressing or
- (ii) machining
- to the dental restoration,
- wherein the glass ceramic comprises at least 6.1 wt.-% ZrO2,
- wherein the glass ceramic comprises lithium disilicate crystals.
Process of using lithium silicate glass ceramic for preparing dental restorations, wherein the glass ceramic is shaped by pressing or machining to the dental restoration, and wherein the glass ceramic comprises at least 6.1 wt.-% ZrO2.
Dependencies are inferred from the claim text.