Paper Title:
Shrinkage Stress Analysis of the Restored-Tooth Structure by the Finite Element Method
  Abstract

The purpose of this paper is to investigate the influence of interphase properties on restored-tooth structure due to polymerization shrinkage of resin-based composite. The stress within the restored tooth structure built up from the polymerization shrinkage of the restorative composite was computed accounting for the time-dependent and viscoelastic behavior of the composite. A sensitivity study was performed to examine the relative influence of geometric and material parameters of an interphase on the shrinkage stress development. It was found that a correlation exists between material and geometry properties at the restoration-tooth interface and higher shrinkage stresses were located at the interphase due to polymerization shrinkage. The varying material and geometry properties of restoration-tooth interface seemed to have a conclusive effect on the interfacial stress system, as well as on the longevity of the restoration.

  Info
Periodical
Advanced Materials Research (Volumes 146-147)
Edited by
Sihai Jiao, Zhengyi Jiang and Jinglong Bu
Pages
1792-1796
DOI
10.4028/www.scientific.net/AMR.146-147.1792
Citation
G. P. Chen, S. W. Zhu, J. L. Tao, "Shrinkage Stress Analysis of the Restored-Tooth Structure by the Finite Element Method", Advanced Materials Research, Vols. 146-147, pp. 1792-1796, 2011
Online since
October 2010
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Price
$32.00
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