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

页码：510 / 520

页数：11

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