腭裂术后硬腭前后部瘢痕对上颌骨生长影响比较的有限元分析

doi:10.7518/hxkq.2022.02.013

华西口腔医学杂志 ›› 2022, Vol. 40 ›› Issue (2): 210-217.doi: 10.7518/hxkq.2022.02.013

腭裂术后硬腭前后部瘢痕对上颌骨生长影响比较的有限元分析

黄威¹(), 张晓¹, 李曼¹, 宁春柳¹, 吴珊珊², 李向军¹()

^1.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，石家庄 050017
^2.石家庄和协口腔医院正畸科，石家庄 050051

收稿日期:2021-05-12 修回日期:2021-07-04 出版日期:2022-04-01 发布日期:2022-04-01
通讯作者: 李向军 E-mail:505060770@qq.com;lixiangjun2013@sina.cn
作者简介:黄威，副主任医师，硕士，E-mail：505060770@qq.com
基金资助:
河北省医学科学研究课题计划(20211075)

Comparative study on the influence of anterior and posterior scars of hard palate on maxillary growth after cleft palate surgery: a three-dimensional finite element analysis

Huang Wei¹(), Zhang Xiao¹, Li Man¹, Ning Chunliu¹, Wu Shanshan², Li Xiangjun¹()

^1.Dept. 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, China
^2.Dept. of Orthodontics, Hexie Stomatological Hospital of Shijiazhuang, Shijiazhuang 050051, China

Received:2021-05-12 Revised:2021-07-04 Online:2022-04-01 Published:2022-04-01
Contact: Li Xiangjun E-mail:505060770@qq.com;lixiangjun2013@sina.cn
Supported by:
Medical Science Research Project in Hebei Province(20211075);Correspondence: Li Xiangjun, E-mail: lixiangjun2013@sina.cn

摘要/Abstract

摘要： 目的

比较腭裂术后硬腭前后部瘢痕对上颌骨生长的抑制情况。

方法

利用Ansys软件建立完全性与不完全性腭裂上颌骨三维有限元模型，在2个模型上分别分组施加相同大小、方向但不同受力区域的腭部瘢痕力，第一组在硬腭口腔面前1/4区施加，第二组在硬腭口腔面中前1/4区施加，第三组在硬腭口腔面中后1/4区施加，第四组在硬腭口腔面后1/4区施加。对各组位移形变情况进行比较。

结果

2个腭裂上颌骨模型中，各组上颌骨均出现形变，总位移及三维方向位移形变比较，均为第一组>第二组>第三组>第四组。

结论

腭裂术后硬腭不同部位瘢痕在三维方向上均对上颌骨生长产生抑制，其中前部瘢痕抑制程度大于后部。

关键词: 腭部瘢痕, 前后部位, 上颌骨生长, 三维有限元

Abstract: Objective

This study aimed to compare the inhibition of anterior and posterior scars of the hard palate on maxillary growth after cleft palate surgery.

Methods

Ansys was used to establish two 3D finite element models of maxilla with complete and incomplete cleft palate. The palatal scar force with same magnitude and direction but different areas was applied in four groups in the two models. The loading force was applied to 1/4 of the anterior oral surface of the hard palate (group 1), 1/4 of the middle and anterior oral surface of the hard palate (group 2), 1/4 of the middle and posterior oral surface of the hard palate (group 3), and 1/4 of the posterior oral surface of the hard palate (group 4). The displacement of each group after loading was analyzed and compared.

Results

In the two models, maxillary deformation occurred in all groups. The total displacement and 3D displacement comparison of each group was arranged as follows: group 1>group 2>group 3>group 4.

Conclusion

Scars from different parts of the hard palate after cleft palate surgery can inhibit maxillary growth in a 3D direction. The anterior scars have more serious inhibition than the posterior scars.

Key words: palatal scar, anterior and posterior parts, maxillary growth, three-dimensional finite element

中图分类号:

R 782.2⁺2

黄威, 张晓, 李曼, 宁春柳, 吴珊珊, 李向军. 腭裂术后硬腭前后部瘢痕对上颌骨生长影响比较的有限元分析[J]. 华西口腔医学杂志, 2022, 40(2): 210-217.

Huang Wei, Zhang Xiao, Li Man, Ning Chunliu, Wu Shanshan, Li Xiangjun. Comparative study on the influence of anterior and posterior scars of hard palate on maxillary growth after cleft palate surgery: a three-dimensional finite element analysis[J]. West China Journal of Stomatology, 2022, 40(2): 210-217.

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参考文献 21

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组别		总位移	X轴方向位移	Y轴方向位移	Z轴方向位移
第一组	左侧	0.291 646	0.199 941	0.128 625	0.187 383
	右侧	0.275 444	0.208 610	0.103 661	0.172 642
第二组	左侧	0.190 062	0.134 927	0.077 364	0.111 420
	右侧	0.201 242	0.155 676	0.061 868	0.120 996
第三组	左侧	0.115 965	0.088 634	0.028 329	0.062 583
	右侧	0.130 461	0.104 965	0.036 056	0.075 339
第四组	左侧	0.057 754	0.053 321	0.005 593	0.020 285
	右侧	0.064 974	0.057 149	0.005 087	0.034 725

组别		总位移	X轴方向位移	Y轴方向位移	Z轴方向位移
第一组	左侧	0.204 182	0.007 369	0.151 422	0.144 163
	右侧	0.192 839	0.009 015	0.142 930	0.132 426
第二组	左侧	0.145 170	0.006 762	0.104 542	0.101 689
	右侧	0.137 527	0.008 077	0.098 696	0.093 384
第三组	左侧	0.080 874	0.003 674	0.059 712	0.056 119
	右侧	0.076 381	0.004 949	0.056 318	0.051 518
第四组	左侧	0.027 531	0.000 518	0.021 613	0.018 740
	右侧	0.026 002	0.001 517	0.020 295	0.017 182

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腭裂术后硬腭前后部瘢痕对上颌骨生长影响比较的有限元分析

Comparative study on the influence of anterior and posterior scars of hard palate on maxillary growth after cleft palate surgery: a three-dimensional finite element analysis

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