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https://open.uns.ac.rs/handle/123456789/2184
Title: | Influence of restorative procedures on endodontically treated premolars: Finite element analysis of a CT-scan based three-dimensional model | Authors: | Tatjana Maravić Darko Vasiljević Ivana Kantardžić Tijana Lainović Ognjan Lužanin Larisa Blažić |
Keywords: | Finite element analysis;Endodontically-treated tooth;Composite resin restoration;Fiber-reinforced composite post | Issue Date: | 1-Jan-2018 | Journal: | Dental Materials Journal | Abstract: | © 2018, Japanese Society for Dental Materials and Devices. All rights reserved. An endodontically treated tooth with mesial-occlusal-distal (MOD) cavity is often restored with composite resin. Palatal and buccal cusp reduction (MODP, MODPB), and/or fiber-reinforced composite posts (P), are used in an attempt to improve the longevity of the restoration. The aim of this study was to determine the effects of these procedures on von Mises stress values and distribution in dental tissues and restorative materials using finite element analysis. Based on CT scans of an extracted second upper premolar, six 3D endodontically treated tooth models (MOD, MODP, MODPB, MOD+P, MODP+P, MODPB+P) were created. Each model was subjected to a summary force of 150 N on the occlusal surface simulating the normal biting pattern and maximal von Mises stresses were calculated. MODP seems to reduce von Mises stress values in dental tissues and P seems to transfer some of the stresses from dental tissues to the composite filling. | URI: | https://open.uns.ac.rs/handle/123456789/2184 | ISSN: | 2874547 | DOI: | 10.4012/dmj.2017-064 |
Appears in Collections: | FTN Publikacije/Publications |
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