Zirconia/alumina composite dental implant abutments

被引：7
|
作者：
Kim, DJ [1 ]
Han, JS
Lee, SH
Yang, JH
Lee, DY
机构：
[1] Sejong Univ, Dept Adv Mat Engn, Seoul 143747, South Korea
[2] Seoul Natl Univ, Coll Dent, Dept Prosthodont, Seoul 110749, South Korea
[3] Seoul Natl Univ, Coll Dent, Dent Res Ctr, Seoul 110749, South Korea
[4] Daelim Coll Technol, Anyang 431715, South Korea
来源：
BIOCERAMICS, VOL 16 | 2004年 / 254-2卷
关键词：
dental implants; abutments; ceramic composites; clinical applications;
D O I：
10.4028/www.scientific.net/KEM.254-256.699
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
(Y,Nb)-TZP/20 vol% Al2O3 composite was utilized as dental implant abutments. Biaxial strength and fracture toughness of the composite were 820 MPa and 8.5 MPam(1/2), respectively. A total of 55 ceramic abutments were connected to implant fixtures for single and short span fixed prostheses for a period of 2 years. Neither fracture nor screw loosening of abutments was observed so far.
引用
收藏
页码：699 / 702
页数：4
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