Process for producing a blank, and a blank
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United States of America Patent
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Aug 22, 2017
Grant Date -
Apr 28, 2016
app pub date -
Apr 30, 2014
filing date -
May 3, 2013
priority date (Note) -
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Abstract
The invention relates to a blank for producing a dental molded part such as an inlay, onlay, crown or bridge, and to a method for producing the blank. To be able to machine a dental molded part, in particular one having thin wall thicknesses, from the blank without difficulty, the blank is designed to consist of a glass ceramic having a density of between 30 and 60% of theoretical density, and of glass-ceramic powder particles with a particle size distribution d90≦80 μm, lithium silicate crystals being present in an amount of 10 to 90% by volume.
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