Research Article
Volume 20 Issue 11 - 2021
Influence of Ferrule Height on Stress Distribution and Deformations of Central Incisor Under Different Loads (Finite Element Study)
Salah A Yousief1,2*, Rami M Galal3,4, Ali Mohammad Eidan Alzahrani5, Mohammed Abdullah Basunduwah5, Naif Alharthi5, Rawan Hassan Basyuni5, Bashayir Ghazi Abid Althagafi5, Abrar Ahmed Almrwani5, Mona Aqely5, Rana Hamed Althubiani5, Maryam Jawad H Alameer5, Jumana Talal Althawadi5, Tawah Ali Abdullah Al Belad6, Huda Naji Alibrahim6 and Zainab Naji Alibrahim6
1Assistant Professor in the Department of Restorative and Prosthetic Dental Sciences, College of Dentistry, Dar Al Uloom University, Riyadh, Saudi Arabia
2Crown and Bridge Department, Faculty of Oral and Dental Medicine, Al Azhar University, Assuit Branch, Egypt
3Associate Professor, Department of Fixed and Removable Prosthodontics, National Research Centre, Saudi Arabia
4Assistant Professor, Fixed Prosthodontics Department, AlNahda University (NUB), Beni Suef, Egypt
5General Dentist, Saudi Arabia
6Genral Dentist -KSA
*Corresponding Author: Salah A Yousief, Assistant Professor in the Department of Restorative Dental Sciences, Al-Farabi Colleges for Dentistry and Nursing, Saudi Arabia and Crown and Bridge Department, Faculty of Oral and Dental Medicine, Al Azhar University, Assuit Branch, Egypt.
Received: October 04, 2021; Published: October 28, 2021




Abstract

Aim: Estimating ferrule length effect on central incisor stresses and deformations under different load cases.

Materials and Methods: Three finite element models were developed to simulate endodontically treated central incisor with three ferrule lengths (1, 2, 3 mm) in combination with (IPS E-max Press) crown and glass fiber post. Laser scanning and CAD modeling were used to create geometry. ANSYS was used for meshing and analysis of models under three occlusal patterns (edge-to-edge occlusion, normal occlusion, and deep bite).

Results: Models results were within physiological limits, no failure were expected. Minor differences were in deformations and stresses distributions with changing ferrule length under the same loading conditions.

Conclusion: Increasing ferrule length improved the performance under load and reduced deformations and stresses on all parts.

Keywords: Central Incisor; Finite Element; Ferrule Length; Stress Distribution; Deformations

References

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Citation: Salah A Yousief., et al. “Influence of Ferrule Height on Stress Distribution and Deformations of Central Incisor Under Different Loads (Finite Element Study)”. EC Dental Science 20.11 (2021): 95-102.

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