Influence of type of cement and their thickness on stress distribution at dentin-cement interface of computer-aided designed glass fiber post: A three-dimensional finite element analysis

Aim: This study aims to evaluate the effect of type of cement, and their thickness on stress distribution at dentin-cement interface of computer-aided designed glass fiber post using three-dimensional finite element analysis. Materials and Methods: Nine 3D models of endodontically treated maxillary...

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Published in:Journal of conservative dentistry 2019-05, Vol.22 (3), p.228-232
Main Authors: Taneja, Sonali, Kumar, Pragya, Gupta, Nitin, Khan, Rabab
Format: Article
Language:English
Subjects:
Adhesives
Analysis
Bond strength
CAD software
Cement
Computer aided design
Dental crowns
Dental restorative materials
Dentin
Elasticity
Endodontics
Finite element analysis
Finite element method
Fluorides
Glass products
Mathematical models
Original
Polymerization
Stress analysis
Stress concentration
Teeth
Zirconia
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cited_by cdi_FETCH-LOGICAL-c488c-99576a4bdafb45a06afbb0e1b18bb52564de08c456d9f5746861e01b0d0892a83
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creator Taneja, Sonali
Kumar, Pragya
Gupta, Nitin
Khan, Rabab
description Aim: This study aims to evaluate the effect of type of cement, and their thickness on stress distribution at dentin-cement interface of computer-aided designed glass fiber post using three-dimensional finite element analysis. Materials and Methods: Nine 3D models of endodontically treated maxillary second premolar were divided into three groups according to the adhesive cement used PermaCem (Group I), Variolink II (Group II), and ParaCore (Group III). Each group was further divided into subgroup a, b, and c on the basis of the thickness of the adhesive cement 50 μm, 200 μm, and 300 μm, respectively. All the models were simulated to be cemented with computer-aided designed glass fiber post and core followed by zirconia crown. The core was modeled with incomplete ferrule. The load of 200N at 45° at lingual and central fossa was applied. Maximum von Mises stresses distribution was calculated. Results: Maximum and minimum stresses in dentin were seen in the Ic and IIIa, respectively. Maximum and minimum stresses in cement were seen in IIIc and Ia, respectively. Conclusion: The von Mises stresses in dentin can be minimized by keeping the cement thickness minimum and selecting the cement whose modulus of elasticity is closest to that of dentin.
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Conclusion: The von Mises stresses in dentin can be minimized by keeping the cement thickness minimum and selecting the cement whose modulus of elasticity is closest to that of dentin.</description><identifier>ISSN: 0972-0707</identifier><identifier>EISSN: 0974-5203</identifier><identifier>DOI: 10.4103/jcd.jcd_457_18</identifier><identifier>PMID: 31367103</identifier><language>eng</language><publisher>India: Wolters Kluwer India Pvt. Ltd</publisher><subject>Adhesives ; Analysis ; Bond strength ; CAD software ; Cement ; Computer aided design ; Dental crowns ; Dental restorative materials ; Dentin ; Elasticity ; Endodontics ; Finite element analysis ; Finite element method ; Fluorides ; Glass products ; Mathematical models ; Original ; Polymerization ; Stress analysis ; Stress concentration ; Teeth ; Zirconia</subject><ispartof>Journal of conservative dentistry, 2019-05, Vol.22 (3), p.228-232</ispartof><rights>COPYRIGHT 2019 Medknow Publications and Media Pvt. Ltd.</rights><rights>2019. 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Materials and Methods: Nine 3D models of endodontically treated maxillary second premolar were divided into three groups according to the adhesive cement used PermaCem (Group I), Variolink II (Group II), and ParaCore (Group III). Each group was further divided into subgroup a, b, and c on the basis of the thickness of the adhesive cement 50 μm, 200 μm, and 300 μm, respectively. All the models were simulated to be cemented with computer-aided designed glass fiber post and core followed by zirconia crown. The core was modeled with incomplete ferrule. The load of 200N at 45° at lingual and central fossa was applied. Maximum von Mises stresses distribution was calculated. Results: Maximum and minimum stresses in dentin were seen in the Ic and IIIa, respectively. Maximum and minimum stresses in cement were seen in IIIc and Ia, respectively. Conclusion: The von Mises stresses in dentin can be minimized by keeping the cement thickness minimum and selecting the cement whose modulus of elasticity is closest to that of dentin.</abstract><cop>India</cop><pub>Wolters Kluwer India Pvt. Ltd</pub><pmid>31367103</pmid><doi>10.4103/jcd.jcd_457_18</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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subjects Adhesives
Analysis
Bond strength
CAD software
Cement
Computer aided design
Dental crowns
Dental restorative materials
Dentin
Elasticity
Endodontics
Finite element analysis
Finite element method
Fluorides
Glass products
Mathematical models
Original
Polymerization
Stress analysis
Stress concentration
Teeth
Zirconia
title Influence of type of cement and their thickness on stress distribution at dentin-cement interface of computer-aided designed glass fiber post: A three-dimensional finite element analysis
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