Evaluation of the effect of high-speed sintering on the mechanical and crystallographic properties of dental zirconia sintered bodies

被引：5
|
作者：
Nonaka, Kazumichi [1 ]
Takeuchi, Nobuyuki [2 ]
Morita, Tatsuro [3 ]
Pezzotti, Giuseppe [4 ]
机构：
[1] SHOFU INC, Dept Res & Dev, Higashiyama Ku, Kyoto, Japan
[2] Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto, Japan
[3] Kyoto Inst Technol, Dept Mech Engn, Sakyo Ku, Kyoto, Japan
[4] Kyoto Inst Technol, Ceram Phys Lab, Sakyo Ku, Kyoto, Japan
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2023年 / 43卷 / 02期
关键词：
Zirconia; Dental material; High speed sintering; LOW-TEMPERATURE DEGRADATION; X-RAY; HYDROTHERMAL DEGRADATION; TRANSLUCENT ZIRCONIA; STABILIZED ZIRCONIA; PHASE-SEPARATION; MICROSTRUCTURE; RESTORATIONS; CERAMICS;
D O I：
10.1016/j.jeurceramsoc.2022.10.044
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
There are only a few reports investigating the effects of high-speed sintering on the properties of dental zirconia. In this study, we investigated the effects of high-speed sintering on the crystal phase, mechanical properties, microstructure, and LTD resistance of 3 mol. % and 4 mol. % Y2O3 stabilized zirconia (3Y and 4Y zirconia). In both 3Y and 4Y zirconia, yttria distribution in the zirconia sintered body was suppressed and the LTD resistance was improved by high-speed sintering. High-speed sintering slightly reduced the mechanical properties of 3Y and 4Y zirconia, but they showed clinically sufficient mechanical properties. From the above results, it was concluded that high-speed sintered 3Y and 4Y zirconia are sufficiently clinically acceptable.
引用
收藏
页码：510 / 520
页数：11
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