Lithium silicate glass ceramic for fabrication of dental appliances
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United States of America Patent
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Aug 29, 2017
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N/A
app pub date -
Jan 20, 2016
filing date -
Apr 11, 2008
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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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