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Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study

Background: The effects of cannulated screws made of polyetheretherketone (PEEK) on the biomechanical properties of the vertebral body during vertebra-pediculoplasty remain unclear. This study aimed to investigate whether PEEK screws have the potential to replace titanium alloy screws. Methods: The...

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Autores principales: Wang, Yan-Ni, Ren, Ya-Nan, Han, Jun, Chen, Chao, Sun, Xun, Di, Ming-Yuan, Dou, Yi-Ming, Ma, Xin-Long, Wang, Zheng, Du, Cheng-Fei, Yang, Qiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10340523/
https://www.ncbi.nlm.nih.gov/pubmed/37456721
http://dx.doi.org/10.3389/fbioe.2023.1225925
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author Wang, Yan-Ni
Ren, Ya-Nan
Han, Jun
Chen, Chao
Sun, Xun
Di, Ming-Yuan
Dou, Yi-Ming
Ma, Xin-Long
Wang, Zheng
Du, Cheng-Fei
Yang, Qiang
author_facet Wang, Yan-Ni
Ren, Ya-Nan
Han, Jun
Chen, Chao
Sun, Xun
Di, Ming-Yuan
Dou, Yi-Ming
Ma, Xin-Long
Wang, Zheng
Du, Cheng-Fei
Yang, Qiang
author_sort Wang, Yan-Ni
collection PubMed
description Background: The effects of cannulated screws made of polyetheretherketone (PEEK) on the biomechanical properties of the vertebral body during vertebra-pediculoplasty remain unclear. This study aimed to investigate whether PEEK screws have the potential to replace titanium alloy screws. Methods: The surgical model of two different materials of screws was constructed using the finite element method. The biomechanical effects of the two models on the vertebral body under different working conditions were compared. Results: ① The peak von Mises stress of PEEK screws was significantly lower than that of titanium screws, with a reduction ranging from 52% to 80%. ② The von Mises stress values for the injured T12 spine were similar for both materials. Additionally, the segmental range of motion and intervertebral disc pressure showed no significant difference between the two materials. Conclusion: PEEK screws demonstrated advantages over titanium screws and may serve as a viable alternative for screw materials in vertebra-pediculoplasty.
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spelling pubmed-103405232023-07-14 Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study Wang, Yan-Ni Ren, Ya-Nan Han, Jun Chen, Chao Sun, Xun Di, Ming-Yuan Dou, Yi-Ming Ma, Xin-Long Wang, Zheng Du, Cheng-Fei Yang, Qiang Front Bioeng Biotechnol Bioengineering and Biotechnology Background: The effects of cannulated screws made of polyetheretherketone (PEEK) on the biomechanical properties of the vertebral body during vertebra-pediculoplasty remain unclear. This study aimed to investigate whether PEEK screws have the potential to replace titanium alloy screws. Methods: The surgical model of two different materials of screws was constructed using the finite element method. The biomechanical effects of the two models on the vertebral body under different working conditions were compared. Results: ① The peak von Mises stress of PEEK screws was significantly lower than that of titanium screws, with a reduction ranging from 52% to 80%. ② The von Mises stress values for the injured T12 spine were similar for both materials. Additionally, the segmental range of motion and intervertebral disc pressure showed no significant difference between the two materials. Conclusion: PEEK screws demonstrated advantages over titanium screws and may serve as a viable alternative for screw materials in vertebra-pediculoplasty. Frontiers Media S.A. 2023-06-29 /pmc/articles/PMC10340523/ /pubmed/37456721 http://dx.doi.org/10.3389/fbioe.2023.1225925 Text en Copyright © 2023 Wang, Ren, Han, Chen, Sun, Di, Dou, Ma, Wang, Du and Yang. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Bioengineering and Biotechnology
Wang, Yan-Ni
Ren, Ya-Nan
Han, Jun
Chen, Chao
Sun, Xun
Di, Ming-Yuan
Dou, Yi-Ming
Ma, Xin-Long
Wang, Zheng
Du, Cheng-Fei
Yang, Qiang
Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title_full Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title_fullStr Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title_full_unstemmed Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title_short Biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
title_sort biomechanical effects of screws of different materials on vertebra-pediculoplasty: a finite element study
topic Bioengineering and Biotechnology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10340523/
https://www.ncbi.nlm.nih.gov/pubmed/37456721
http://dx.doi.org/10.3389/fbioe.2023.1225925
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