Polycrystalline translucent alumina-based ceramic material

Details Polycrystalline translucent alumina-based ceramic material Polycrystalline translucent alumina-based ceramic material

C - Chemistry, Metallurgy

04

B

C04B 35/115 (2006.01) A61C 13/00 (2006.01) A61C 13/083 (2006.01) A61K 6/06 (2006.01) C04B 33/14 (2006.01) C04B 35/634 (2006.01) C04B 35/638 (2006.01) C04B 35/645 (2006.01) A61C 7/12 (2006.01)

Patent

CA 2470415

A polycrystalline translucent aluminum oxide ceramic material having an average grain size of no greater than 1.0 micron and a Contrast Ratio value of less than about 0.7. The material can be in the form of a dental mill blank, dental prosthesis or other dental article or non-dental article.

La présente invention concerne un matériau céramique polycristallin translucide à base d'oxyde d'aluminium. Son calibre moyen de grain n'excède pas 1 micron pour une valeur du rapport de contraste n'excédant pas environ 0,7. Ce matériau peut se présenter sous forme d'une ébauche dentaire, de prothèse dentaire ou d'un autre article dentaire ou non dentaire.

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