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Limited Effect of Cement Material on Stress Distribution of a Monolithic Translucent Zirconia Crown: A Three-Dimensional Finite Element Analysis.

Journal article
Authors Sebastian Franco Tabares
Victoria Franke Stenport
Lars Hjalmarsson
Carina B. Johansson
Published in The International journal of prosthodontics
Volume 31
Issue 1
Pages 67–70
ISSN 0893-2174
Publication year 2018
Published at Institute of Odontology, Section 2
Pages 67–70
Language en
Links dx.doi.org/10.11607/ijp.5469
www.ncbi.nlm.nih.gov/entrez/query.f...
Subject categories Medical Engineering

Abstract

The literature shows that the performance of densely sintered zirconia single crowns seems to be unaffected by the cement material. The purpose of this study was to evaluate the effects of various cement materials on the stress distribution in a monolithic translucent zirconia crown.A crown-cement-dentin complex was modeled. Six cements were evaluated: zinc phosphate, glass-ionomer, resin-modified glass-ionomer, dual-cure resin, calcium aluminate-based, and a theoretical or conceptual cement with mechanical properties close to those of dentin (ie, monoblock cement).While varying stress concentrations were found within the cements, the stress concentrations in the crown and dentin were consistent irrespective of cement material.Within the limitations of this study, it can be concluded that cement material had a negligible effect on stress distribution in the monolithic zirconia crown.

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