Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 15, 2012
Patent Application Number
11717199
Date Filed
March 13, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A dental article includes yttria stabilized tetragonal zirconia polycrystalline ceramic, and no more than about 0.15 wt. % of one or more coloring agents of one or more of: Pr, Tb, Cr, Nd, Co, oxides thereof, and combinations thereof, whereby the dental article is provided with a color corresponding to a natural tooth shade; and wherein the dental article has a flexural strength of at least about 800 MPa. Corresponding methods are also described.
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