Dental blank and method of making a dental ceramic blank
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United States of America Patent
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Apr 23, 2013
Grant Date -
Aug 19, 2010
app pub date -
Oct 10, 2008
filing date -
Oct 11, 2007
priority date (Note) -
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Abstract
A method of making a dental blank comprises the steps of independently compacting a first and second zone of a quantity of ceramic particles. During compacting, the first and second zones have different compaction factors in at least one stage. Such blanks may be pre-sintered and used in the manufacture of dental restorations. The method may help in controlling the homogeneity of the material structure during manufacturing the blanks.
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