Inter J Stomatol ›› 2011, Vol. 38 ›› Issue (4): 470-473.doi: 10.3969/j.issn.1673-5749.2011.04.029

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Experimental research methods in fatigue failure behavior of dental all-ceramic restorations

Pan Yu1, Zhao Ke1, Zhang Xinping2.   

  1. 1. Research Institute of Stomatology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat -Sen University, Guangzhou 510055, China; 2. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
  • Received:2010-05-21 Revised:2011-02-15 Online:2011-07-20 Published:2011-07-20

Abstract:

In spite of the strength of dental ceramics far exceeds the occlusal stress, one severe concern for allceramic systems is their susceptibility to fatigue damage caused from long-term mastication. Mechanical simulation of a laboratory test is often used for pre-clinical investigations of dental materials and restorations, aiming at describing the fatigue behavior and predicting the catastrophic failures. This article presents a review of the experimental methods in research of dental restorations.

Key words: all-ceramic, cyclic fatigue, test in vitro


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