Method for producing a blank and dental restoration
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United States of America Patent
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Aug 17, 2021
Grant Date -
Jun 29, 2017
app pub date -
Dec 22, 2016
filing date -
Dec 28, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for the preparation of a blank from a ceramic material, wherein at least two layers of ceramic material of different compositions are filled into a die layer-by-layer and after filling of the layers they are then pressed and sintered, wherein after filling of a first layer this is structured on its surface in such a way that the first layer, viewed across its surface, differs in its height from region to region, and then a layer with a composition that differs from the first layer is filled as a second layer into the mold.
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