Paper Title:
Mechanical Analysis of Restored-Tooth Structure Due to Polymerization Shrinkage of Composite Restoration
  Abstract

The finite element analysis is presented in this paper in order to investigate the influence of interphase properties on restored-tooth structure due to polymerization shrinkage of resin-based composite. The restoration-tooth interface is simulated using plane elements of varying material properties and thicknesses. The stress and displacement within restored-tooth structure built-up from the polymerization shrinkage of the restorative composite were computed accounting for the time-dependent, visco-elastic behaviour of the composite. It was found that a correlation exists between material and geometry properties at the restoration-tooth interface and higher shrinkage stresses on interphase due to polymerization shrinkage. The development trend of residual stress from polymerization shrinkage in the restored-tooth structure was discussed and forecasted.

  Info
Periodical
Key Engineering Materials (Volumes 474-476)
Edited by
Garry Zhu
Pages
1401-1405
DOI
10.4028/www.scientific.net/KEM.474-476.1401
Citation
S. W. Zhu, J. P. Fan, G. P. Chen, "Mechanical Analysis of Restored-Tooth Structure Due to Polymerization Shrinkage of Composite Restoration", Key Engineering Materials, Vols. 474-476, pp. 1401-1405, 2011
Online since
April 2011
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$32.00
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