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Finite Element Simulation of Displaced ZMC Fracture After Fixation with Resorbable and Non-Resorbable One-Point Mini-Plates and Applying Normal to Severe Occlusal Loads

Abstract:
Background: ZMC fractures are the second most common trauma of the face. Therefore, their treatment (including methods of fixation) is of clinical significance. Objectives: Due to the lack of studies on many resorbable and non-resorbable fixations of the zygoma, this finite element analysis assessed for the first time displacements and dynamics of the zygoma fixed using three 1-point resorbable and three non-resorbable plates under normal and severe mastication forces. Methods: After creating the 3Dmodel of the zygoma and its adjacent bones based on a CT scan of amale patient, with linear fractures but without severe dislocations, three one-point resorbable and three similar one-point non-resorbable mini-plates were used to fix the zygoma with miniscrews. The zygomaticomaxillary buttress (ZMB), infraorbital rim, and frontozygomatic (FZ) suture were stabilized using L-shaped four-hole, curved five-hole, four-hole miniplates, respectively. The simulated zygoma was subjected to 150N and 750N loads. Minimum and maximum of stresses, strains, displacements, and rotational displacements of the zygoma were measured. Results: All four parameters were much smaller in non-resorbable fixations compared to resorbable ones. In severe maxillary force, the parameters stress, strain, and displacement increase considerably. Among these, FZ might cause smaller displacements. Resorbable plates might not be optimum choices for one-point fixation of cases with the heavy mastication loads.
Author Listing: Farzin Sarkarat;Sogand Ebrahimi;Roozbeh Kahali;Amirparham Pirhadi Rad;Maryam Khosravi;Vahid Rakhshan
Volume: 24
Pages: 1-7
DOI: 10.5812/TRAUMAMON.85586
Language: English
Journal: Trauma monthly

Trauma Monthly

TRAUMA MON

影响因子:0.3
是否综述期刊:否
是否OA:否
是否预警:不在预警名单内
发行时间:-
ISSN:2251-7464
发刊频率:-
收录数据库:ESCI/Scopus收录
出版国家/地区:-
出版社:National Center for Trauma Research

期刊介绍

年发文量 35
国人发稿量 -
国人发文占比 0%
自引率 33.3%
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偏重研究方向 EMERGENCY MEDICINE-
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80.00% 0.00% - -

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2025年03月发布的2025版 不在预警名单中
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JCR分区 WOS分区等级:Q4区

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WOS期刊SCI分区
(2021-2022年最新版)
EMERGENCY MEDICINE Q4

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