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| 牙陶瓷材料及修复体循环疲劳的损伤模式 | |
| 引用本文： | 吴晓平,程绮婷,赵克,张新平. 牙陶瓷材料及修复体循环疲劳的损伤模式[J]. 中华口腔医学研究杂志(电子版), 2008, 2(1): 56-58 |
| 作者姓名： | 吴晓平 程绮婷 赵克 张新平 |
| 作者单位： | [1]中山大学光华口腔医学院·附属口腔医院修复科,中山大学口腔医学研究所,广州510055; [2]华南理工大学材料科学与工程学院,中山大学口腔医学研究所,广州510055; |
| 摘 要： | 牙科全瓷系统具有良好功能性和美学性质，在临床上逐渐得到了应用；但全瓷修复体在反复咀嚼功能状态下常常出现疲劳失效．陶瓷材料的循环疲劳性能表征则成为研究热点之一。本文重点对牙科陶瓷循环疲劳损伤模式（包括脆性模式、准塑性模式和放射状裂纹）的研究进展进行综述。 |
| 关 键 词： | 牙科陶瓷 循环疲劳 脆性模式 准塑性模式 放射状裂纹 |
Recent advances in cyclic fatigue behaviors of dental ceramics |
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| WU Xiao-ping,CHENG Qi-ting,ZHAO Ke,ZHANG Xin-ping. Recent advances in cyclic fatigue behaviors of dental ceramics[J]. Chinese Journal of Stomatological Research(Electronic Version), 2008, 2(1): 56-58 | |
| Authors: | WU Xiao-ping CHENG Qi-ting ZHAO Ke ZHANG Xin-ping |
| Affiliation: | WU Xiao-ping, CHENG Oi-ting, ZHAO Ke, ZHA NG Xin-ping. ( Guanghua School of Stomatology, Institute of Stomatologiccd Research, Sun Yat-sen University, Guangzhou 510055, China) |
| Abstract: | Dental ceramics have been widely used for clinical dental restorations due to their excellent functionality and aesthetics. However, all-eeraruic crowns are prone to premature clinical failure under repetitive occlusal contact loading condition. There fore, the research on cyclic fatigue performance of dental ceramics has attracted much attention recently. This paper presents a review on state-of-the-art of the research of cyclic fatigue damage modes of dental ceramics, including brittle mode, quasi-plastic mode and radial cracks. |
| Keywords: | Dental ceramics Cyclic fatigue Brittle mode Quasl-plastic mode Radial cracks |
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