Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 26, 2016
Patent Application Number
13374040
Date Filed
December 8, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a method of fabricating an improved lithium silicate glass ceramic and to that material for the manufacture of blocks for dental appliances using a CAD/CAM process and hot pressing system. The lithium silicate material has a chemical composition that is different from those reported in the prior art with 1 to 10% of germanium dioxide in final composition. The softening points are close to the crystallization final temperature of 800° C. indicating that the samples will support the temperature process without shape deformation.
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