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. 2021 Jul 14;9:680769. doi: 10.3389/fbioe.2021.680769

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Copyright © 2021 Wo, Lv, Wang, Shen, Zhu, Liu, Huang, Sun and Li.

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.

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Development and experimental conditions of the cervical artificial disc replacement (CADR) FE model. (A) The Prestige LP finite element (FE) model was composed of superior surface and inferior surface structures. The cervical subtotal discectomy prosthesis (CSDP) FE model was divided into three parts: cervical disc prosthesis (CDP) structure, cervical vertebra fixation (CVF) structure, and link structure. The Prestige LP and CSDP FE models were implanted at C₅-C₆. (B) The CSDP was moved up by 1 mm to simulate an imprecise surgical insertion situation as a CSDP error FE model.