The Effects of Different Base Materials on the Stress Distribution of the Endodontically Treated Teeth: 3D FEA

Derya Merve Halaçoğlu; Kıvanç Yamanel

doi:10.7126/cumudj.453467

EN

The Effects of Different Base Materials on the Stress Distribution of the Endodontically Treated Teeth: 3D FEA

Abstract

Objectives: This study evaluated stress distrubitions formed by oblique forces in dental hard tissues, base materials and restorations of endodontically treated permanent mandibular first molars that were restored with different base materials and direct composite restorations by using 3D-FEA method.

Materials and Methods: For two different restorative approaches; an MO cavity design and a MOD cavity design was created. Then root canal obturation was modeled. Composite resin (CR), conventional glass ionomer cement (GIC), fiber reinforced composite resin (FRCR), resin modified glass ionomer cement (RMGIC), flowable composite (FC), and bulk-fill composite resin (BF) were used as base materials. Von Mises, compressive and tensile stresses in enamel, dentin, base materials and final restoration were analyzed using finite element stress analysis method.

Results: Regarding the resulting stresses, CR caused highest stresses and RMGIC caused lowest stresses in enamel, base material, and final restoration. RMGIC caused highest stresses and CR caused lowest stresses in dentin. It was noted that MOD cavity design caused more stress than MO cavity design for all analyzed materials.

Conclusions: Materials with elastic moduli similar to dentin; FRCR and GIC, may be better choice to avoid high stresses within the tooth and restoration.

Keywords

glass ionomer cement,finite element analysis,composite resins

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Details

Primary Language

English

Subjects

Health Care Administration

Journal Section

Research Article

Authors

Derya Merve Halaçoğlu ^*
0000-0003-2569-6887
Türkiye

Kıvanç Yamanel
0000-0003-4237-1232
Türkiye

Publication Date

March 13, 2019

Submission Date

August 14, 2018

Acceptance Date

January 23, 2019

Published in Issue

Year 2019 Volume: 22 Number: 1

DOI

https://doi.org/10.7126/cumudj.453467

IZ

https://izlik.org/JA29UT66KY

Cite

RIS / Bibtex

EndNote

Halaçoğlu DM, Yamanel K (March 1, 2019) The Effects of Different Base Materials on the Stress Distribution of the Endodontically Treated Teeth: 3D FEA. Cumhuriyet Dental Journal 22 1 56–65.