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公开(公告)号:WO2013190043A3
公开(公告)日:2014-03-20
申请号:PCT/EP2013062889
申请日:2013-06-20
Applicant: IVOCLAR VIVADENT AG
Inventor: RITZBERGER CHRISTIAN , ROTHBRUST FRANK , SCHWEIGER MARCEL , COURTOIS NICOLAS , CHEVALIER JEROME , REVERON HELEN , HOELAND WOLFRAM , RHEINBERGER VOLKER
IPC: C04B35/486 , A61K6/00 , C04B35/645 , C04B38/00
CPC classification number: C04B35/488 , A61C8/00 , A61C8/0012 , A61C13/083 , A61K6/024 , A61K6/025 , B82Y30/00 , C04B35/486 , C04B35/645 , C04B38/0038 , C04B38/0054 , C04B38/0058 , C04B38/0061 , C04B38/0067 , C04B2111/00836 , C04B2235/3201 , C04B2235/3208 , C04B2235/3217 , C04B2235/3229 , C04B2235/3232 , C04B2235/3246 , C04B2235/3272 , C04B2235/3418 , C04B2235/5445 , C04B2235/604 , C04B2235/612 , C04B2235/6562 , C04B2235/6565 , C04B2235/6581 , C04B2235/6584 , C04B2235/6587 , C04B2235/661 , C04B2235/663 , C04B2235/666 , C04B2235/72 , C04B2235/765 , C04B2235/77 , C04B2235/781 , C04B2235/785 , C04B2235/786 , C04B2235/96 , C04B2235/963 , C04B2235/9661
Abstract: The present invention is directed to a porous pre-densified CeO2 stabilized ZrO2 ceramic having a density of 50.0 to 95.0%, relative to the theoretical density of zirconia, and an open porosity of 5 to 50% as well as to a densified CeO2 stabilized ZrO2 ceramic having a density of 97.0 to 100.0%, relative to the theoretical density of zirconia, and wherein the grains of the ceramic have an average grain size of 50 to 1000 nm, methods for the preparation of the pre-densified and densified ceramics and their use for the manufacture of dental restorations.
Abstract translation: 本发明涉及相对于氧化锆的理论密度和5至50%的开放孔隙率以及致密化的CeO 2稳定的ZrO 2的密度为50.0至95.0%的多孔预致密化的CeO 2稳定的ZrO 2陶瓷 相对于氧化锆的理论密度,密度为97.0〜100.0%的陶瓷,其中,所述陶瓷的晶粒的平均粒径为50〜1000nm,制备预致密化和致密化陶瓷的方法及其制备方法 用于制造牙科修复体。