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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...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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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. |
format | Online Article Text |
id | pubmed-8293231 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
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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