Process for the preparation of colored blanks and dental shaped parts
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United States of America Patent
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Oct 11, 2011
Grant Date -
Dec 20, 2007
app pub date -
May 18, 2007
filing date -
May 23, 2006
priority date (Note) -
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Abstract
, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably graded and at least one colored powder is filled into a compression mould, the colored powder or powders are compressed to produce a shaped body, and the compressed shaped body is sintered to produce a blank, and to the use of these blanks for the preparation of dental restorations.
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