唇裂术后上唇压力对上颌骨发育影响的有限元分析

doi:10.19439/j.sjos.2021.03.004

上海口腔医学 ›› 2021, Vol. 30 ›› Issue (3): 243-246.doi: 10.19439/j.sjos.2021.03.004

唇裂术后上唇压力对上颌骨发育影响的有限元分析

黄威, 郭凯利, 张晓燕, 冯莹, 冯晓伟, 李向军

河北医科大学口腔医学院·口腔医院口腔颌面外科,河北省口腔医学重点实验室,河北省口腔疾病临床医学研究中心,河北石家庄 050017

收稿日期:2020-02-24 修回日期:2020-03-24 出版日期:2021-06-25 发布日期:2021-08-05
通讯作者: 李向军,E-mail：lixiangjun2013@sina.cn
作者简介:黄威（1986-）,男,硕士,副主任医师,E-mail：505060770@qq.com
基金资助:
河北省医学科学研究课题计划（20190097）

A finite element study of the influence of upper lip pressure on the development of maxilla after cleft lip surgery

HUANG Wei, GUO Kai-li, ZHANG Xiao-yan, FENG Ying, FENG Xiao-wei, LI Xiang-jun

Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University; Hebei Key Laboratory of Stomatology; Hebei Clinical Research Center for Oral Disease. Shijiazhuang 050017, Hebei Province, China

Received:2020-02-24 Revised:2020-03-24 Online:2021-06-25 Published:2021-08-05

摘要/Abstract

摘要： 目的: 探讨唇裂术后上唇压力对上颌骨的影响及抑制机制。方法: 利用ANSYS 17.0软件在腭裂上颌骨有限元模型上添加上唇软组织,赋予材料属性,形成含上唇的唇腭裂上颌骨三维有限元模型,对模型分组,施加上唇压力并进行受力分析。试验组：施加唇裂术后上唇压力,对照组：施加同龄正常儿童上唇压力。结果: 试验组形变值大于对照组,在三维方向上上颌骨形变以Z轴为主,X轴、Y轴次之。牙槽突前段形变最明显,由前向后形变趋势逐渐减小。结论: 上颌骨在三维方向上均有生长抑制,其中以矢状向生长抑制为主,横向及垂直向生长抑制次之,由前向后抑制程度逐渐降低。

关键词: 上唇压力, 上颌骨发育, 三维有限元, 唇腭裂

Abstract: PURPOSE: To explore the mechanism of upper lip pressure on maxilla after cleft lip surgery. METHODS: ANSYS 17.0 software was used to add the upper lip soft tissue to the finite element model of maxilla with cleft palate, and the material properties was assigned to form a three-dimensional finite element model of maxilla with upper lip. The upper lip pressure was applied to the model and force analysis was performed in 2 groups. In the experimental group, upper lip pressure with cleft lip surgery was applied; in the control group, upper lip pressure in normal children of the same age was applied. RESULTS: Maxillary deformation in the experimental group was greater than that in the control group. Maxillary deformation occurred in three-dimensional direction, which was mainly in Z axis, followed by X axis and Y axis. The anterior segment of alveolar process was the most obvious,and from the anterior to the posterior, the change trend was gradually decreased. CONCLUSIONS: Maxillary growth is inhibited in three-dimensional direction,which is mainly sagittal growth inhibition,followed by transverse and vertical growth. The inhibition gradually decreases from anterior to posterior.

Key words: Upper lip pressure, Maxillary growth, Three-dimensional finite element, Cleft lip and palate

中图分类号:

R782.2

黄威, 郭凯利, 张晓燕, 冯莹, 冯晓伟, 李向军. 唇裂术后上唇压力对上颌骨发育影响的有限元分析[J]. 上海口腔医学, 2021, 30(3): 243-246.

HUANG Wei, GUO Kai-li, ZHANG Xiao-yan, FENG Ying, FENG Xiao-wei, LI Xiang-jun. A finite element study of the influence of upper lip pressure on the development of maxilla after cleft lip surgery[J]. Shanghai Journal of Stomatology, 2021, 30(3): 243-246.

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唇裂术后上唇压力对上颌骨发育影响的有限元分析

A finite element study of the influence of upper lip pressure on the development of maxilla after cleft lip surgery

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