Ivoclar Vivadent Ag

Anna B Verano

Dmitri G Brodkin

Yijun Wang

Ajmal Khan

Ling Tang

Zirconia dental ceramics exhibiting opalescence and having a grain size in the range of 10 nm to 300 nm, a density of at least 99.5% of theoretical density, a visible light transmittance at or higher than 45% at 560 nm, and a strength of at least 800 MPa.

Nanocrystalline zirconia and methods of processing thereof

A method of making a dental article including a pressable body possessing a flexural strength of at least 125 MPa and flowable at about 850&#xb0; C. to about 950&#xb0; C. The body is composed of at least a glass matrix phase having a composition comprising LiO and MgO.

Method of forming a dental article

A pressable body is described possessing a flexural strength of at least 125 MPa and is flowable at about 850&#xb0; C. to about 950&#xb0; C. The body is composed of at least a glass matrix phase having a composition comprising LiO and MgO. A dental article formed at least in part from the pressable body is also described. Associated methods are also described.

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Hillsborough, NJ, United States of America

Anna B Verano