EVALUATION OF DIFFERENT MATERIALS USED FOR POST CONSTRUCTION AND STRESS DISTRIBUTION IN THE RADICULAR DENTIN USING FINITE ELEMENT METHOD

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NOUKAR S.; MOSTAFAVI A.A.S.

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Paper Information

Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2007 | Volume:19 | Issue:3 (64) Page(s): 24-31

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Title

EVALUATION OF DIFFERENT MATERIALS USED FOR POST CONSTRUCTION AND STRESS DISTRIBUTION IN THE RADICULAR DENTIN USING FINITE ELEMENT METHOD

Author(s)

NOUKAR S. | MOSTAFAVI A.A.S. | Issue Writer Certificate

Keywords

POST MATERIALSQ3

FINITE ELEMENT ANALYSISQ2

STRESS DISTRIBUTIONQ3

Abstract

Background and Aim: This study was designed to evaluate the STRESS DISTRIBUTIONs of different POST MATERIALS in radicular dentine for providing a useful clinical guideline. Materials and Methods: In this experimental study, 5 three - dimensional models of maxillary central incisors were simulated by using ANSYS software and Finite Element Method. The models included: 1) Stainless Steel post 2) Titanium post 3) Carbon fiber post 4) Glass fiber post, and 5) Quartz fiber post. A composite core and PFM crown was constructed for all samples. Each model contained gingival, cortical and spongy bone, PDL and gutta-percha as well. All specimens were subjected to a compressive load at 45-degree angle to its long axis with a constant intensity of 100N. Results: In all models there were two stress concentration sites: 1- a point between middle third and cervical third of the root and 2 - the cervical edge of the root. The amount of stresses between middle and the cervical third of fiber reinforced posts were nearly 1 MPa greater than those of the metallic ones. Conclusion: Compared to other materials, the metallic posts caused less stress in the radicular dentin and therefore are recommended for clinical use. Among fiber reinforced posts, Quartz fiber post showed the lowest stress peak.

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APA: Copy

NOUKAR, S., & MOSTAFAVI, A.A.S.. (2007). EVALUATION OF DIFFERENT MATERIALS USED FOR POST CONSTRUCTION AND STRESS DISTRIBUTION IN THE RADICULAR DENTIN USING FINITE ELEMENT METHOD. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 19(3 (64)), 24-31. SID. https://sid.ir/paper/55079/en

Vancouver: Copy

NOUKAR S., MOSTAFAVI A.A.S.. EVALUATION OF DIFFERENT MATERIALS USED FOR POST CONSTRUCTION AND STRESS DISTRIBUTION IN THE RADICULAR DENTIN USING FINITE ELEMENT METHOD. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2007;19(3 (64)):24-31. Available from: https://sid.ir/paper/55079/en

IEEE: Copy

S. NOUKAR, and A.A.S. MOSTAFAVI, “EVALUATION OF DIFFERENT MATERIALS USED FOR POST CONSTRUCTION AND STRESS DISTRIBUTION IN THE RADICULAR DENTIN USING FINITE ELEMENT METHOD,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 19, no. 3 (64), pp. 24–31, 2007, [Online]. Available: https://sid.ir/paper/55079/en

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