Tresca Stress Simulation of Metal-on-Metal Total Hip Arthroplasty during Normal Walking Activity.

Muhammad Imam Ammarullah,Ilham Yustar Afif,Mohammad Tauviqirrahman,Hasan Basri,Imam Akbar,J Jamari,Mohamad Izzur Maula,Tri Indah Winarni,Emile Van Der Heide

doi:10.3390/ma14247554

Muhammad Imam Ammarullah, Ilham Yustar Afif + Show 7 more

Open Access

https://doi.org/10.3390/ma14247554

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Abstract

The selection of biomaterials for bearing in total hip arthroplasty is very important to avoid various risks of primary postoperative failure for patients. The current investigation attempts to analyze the Tresca stress of metal-on-metal bearings with three different materials, namely, cobalt chromium molybdenum (CoCrMo), stainless steel 316L (SS 316L), and titanium alloy (Ti6Al4V). We used computational simulations using a 2D axisymmetric finite element model to predict Tresca stresses under physiological conditions of the human hip joint during normal walking. The simulation results show that Ti6Al4V-on-Ti6Al4V has the best performance to reduce Tresca stress by 45.76% and 39.15%, respectively, compared to CoCrMo-on-CoCrMo and SS 316L-on-SS 316L.

Highlights

The current study focuses on evaluating the Tresca stress in metal-on-metal bearings with different materials
The maximum Tresca stress value changes due to the difference in the resultant force applied during loading in the normal walking condition, where the highest maximum Tresca stress value is in the seventh phase for all metal-on-metal bearings in this study
Tresca stress values were found to increase in cobalt chromium molybdenum (CoCrMo)-on-CoCrMo and steel 316L (SS 316L)-on-SS 316L bearings by about 45.76% and 39.15%, respectively, compared to Ti6Al4V-on-Ti6Al4V

Summary

Introduction

Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Metal-on-metal total hip arthroplasty has been increasingly selected in hip replacement surgery for diseased hips, especially for younger patients with higher activity levels [1]. This is due to the high number of failure cases that have been found in the use of metal-on-polyethylene and ceramic-on-polyethylene bearings, where polyethylene wear induces osteolysis and aseptic loosening. The use of ceramic-on-ceramic is prone to failure due to cracking due to high-intensity activities, generally carried out by younger users. Looking at the data published by the Australian Orthopedic Association (AOA) in

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