2D-Finite element analysis of inlay-, onlay bridges with using various materials
Journal Title: Archives of Materials Science and Engineering - Year 2016, Vol 79, Issue 2
Abstract
Purpose: To compare the impact of different bridge constructions and different loads onstress distribution in bridges.Design/methodology/approach: The study was conducted on 96 computer models ofboth premolars and molars that simulated a missing second premolar restored with a bridgesupported on crown inlays or onlays. Simulations were made of a bridge constructed fromfour different materials: Au alloy, Cr/Ni alloy as well as two kinds of glass fibre-reinforcedcomposites: Targis Vectris and FibreKor /Sculpture. The study was conducted using thefinite element method (FEM). The results were analysed with PQStat statistical softwareversion 1.6.Findings: In none of the analysed cases did stresses appear capable of damaging thebridge construction. Reduced stresses were lower in glass fibre reinforced compositematerials than in metal alloys.Practical implications: The force application point has a decisive influence on stressdistribution in the hard dental tissue and in bridges. The highest stress values occurred atthe loading of the pontic tooth.Originality/value: The force application point has a decisive influence on stress distributionin the hard dental tissue and in bridges. The highest stress values occurred at the loadingof the pontic tooth.
Authors and Affiliations
B. Śmielak, J. Świniarski, E. Wołowiec-Korecka, L. Klimek
Keywords
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