stress prediction in a central incisor with intra-radicular restorations

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ID: 216041
2011
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Abstract
A 2D finite element analysis was applied to calculate shear and von Mises equivalent stresses developed, under masticatory loading, in an upper central incisor restored with cast gold post and carbon fiber reinforced epoxy resin post. Based on the predicted shear stress levels, it is concluded that the gold post model is more prone to shear failure along the post-dentin interface. Whereas shear stress concentration also occurs in both models at the core-crown interface, the stress level predicted there is higher for the carbon fiber post model which would be more susceptible to crown displacement. Finally, the prediction of von Mises equivalent stress indicates a non-uniform distribution, with the stress preferentially concentrated in the gold post along its interface with the tooth dentin. For the carbon fiber post restored model, on the other hand, the von Mises stresses are more uniformly distributed achieving its maximum level in the tooth dentin.
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amarante2011materialsstress Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Martha Vasconcellos Amarante;Marcos Venicius Pereira;Fathi Aref Darwish;Arnaldo Freitas Camarão
Journal Majalah Ilmiah Teknologi Elektro
Year 2011
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392011000200009
Keywords
mechanics of materials

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