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The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty

Wear and wear-induced debris is a significant factor in causing failure in implants. Reducing contact pressure by using a textured surface between the femoral head and acetabular cup is crucial to improving the implant’s life. This study presented the effect of surface texturing as dimples on the we...

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Autores principales: Jamari, J., Ammarullah, Muhammad Imam, Saad, Amir Putra Md, Syahrom, Ardiyansyah, Uddin, Mohammad, van der Heide, Emile, Basri, Hasan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8293231/
https://www.ncbi.nlm.nih.gov/pubmed/34204138
http://dx.doi.org/10.3390/jfb12020038
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author Jamari, J.
Ammarullah, Muhammad Imam
Saad, Amir Putra Md
Syahrom, Ardiyansyah
Uddin, Mohammad
van der Heide, Emile
Basri, Hasan
author_facet Jamari, J.
Ammarullah, Muhammad Imam
Saad, Amir Putra Md
Syahrom, Ardiyansyah
Uddin, Mohammad
van der Heide, Emile
Basri, Hasan
author_sort Jamari, J.
collection PubMed
description Wear and wear-induced debris is a significant factor in causing failure in implants. Reducing contact pressure by using a textured surface between the femoral head and acetabular cup is crucial to improving the implant’s life. This study presented the effect of surface texturing as dimples on the wear evolution of total hip arthroplasty. It was implemented by developing finite element analysis from the prediction model without dimples and with bottom profile dimples of flat, drill, and ball types. Simulations were carried out by performing 3D physiological loading of the hip joint under normal walking conditions. A geometry update was initiated based on the patient’s daily routine activities. Our results showed that the addition of dimples reduced contact pressure and wear. The bottom profile dimples of the ball type had the best ability to reduce wear relative to the other types, reducing cumulative linear wear by 24.3% and cumulative volumetric wear by 31% compared to no dimples. The findings demonstrated that surface texturing with appropriate dimple bottom geometry on a bearing surface is able to extend the lifetime of hip implants.
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spelling pubmed-82932312021-07-22 The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty Jamari, J. Ammarullah, Muhammad Imam Saad, Amir Putra Md Syahrom, Ardiyansyah Uddin, Mohammad van der Heide, Emile Basri, Hasan J Funct Biomater Article Wear and wear-induced debris is a significant factor in causing failure in implants. Reducing contact pressure by using a textured surface between the femoral head and acetabular cup is crucial to improving the implant’s life. This study presented the effect of surface texturing as dimples on the wear evolution of total hip arthroplasty. It was implemented by developing finite element analysis from the prediction model without dimples and with bottom profile dimples of flat, drill, and ball types. Simulations were carried out by performing 3D physiological loading of the hip joint under normal walking conditions. A geometry update was initiated based on the patient’s daily routine activities. Our results showed that the addition of dimples reduced contact pressure and wear. The bottom profile dimples of the ball type had the best ability to reduce wear relative to the other types, reducing cumulative linear wear by 24.3% and cumulative volumetric wear by 31% compared to no dimples. The findings demonstrated that surface texturing with appropriate dimple bottom geometry on a bearing surface is able to extend the lifetime of hip implants. MDPI 2021-06-06 /pmc/articles/PMC8293231/ /pubmed/34204138 http://dx.doi.org/10.3390/jfb12020038 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Jamari, J.
Ammarullah, Muhammad Imam
Saad, Amir Putra Md
Syahrom, Ardiyansyah
Uddin, Mohammad
van der Heide, Emile
Basri, Hasan
The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title_full The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title_fullStr The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title_full_unstemmed The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title_short The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty
title_sort effect of bottom profile dimples on the femoral head on wear in metal-on-metal total hip arthroplasty
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8293231/
https://www.ncbi.nlm.nih.gov/pubmed/34204138
http://dx.doi.org/10.3390/jfb12020038
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