正颌手术前、后颞下颌关节间隙三维重建及对比分析

doi:10.19438/j.cjoms.2020.04.011

中国口腔颌面外科杂志 ›› 2020, Vol. 18 ›› Issue (4): 343-347.doi: 10.19438/j.cjoms.2020.04.011

正颌手术前、后颞下颌关节间隙三维重建及对比分析

孙红, 赵晋龙, 何黎升

空军军医大学口腔医院口腔颌面外科,陕西西安 710032

收稿日期:2019-05-10 出版日期:2020-07-20 发布日期:2020-09-10
通讯作者: 赵晋龙,E-mail：jtztzhao@fmmu.edu.cn
作者简介:孙红（1968-）,女,博士,副主任医师,现在芜湖市第一人民医院口腔科工作。E-mail：sunhongred@sina.com

Three-dimensional reconstruction and comparison of temporomandibular joint space before and after orthognathic surgery

SUN Hong, ZHAO Jin-long, HE Li-sheng

Department of Oral and Maxillofacial Surgery,Hospital of Stomatology, Air Force Medical University.Xi'an 710032, Shaanxi Province, China

Received:2019-05-10 Online:2020-07-20 Published:2020-09-10

摘要/Abstract

摘要： 目的: 采用新的方法重建正颌患者手术前、后的颞下颌关节间隙,比较术前、术后关节间隙的变化,为正颌术后颞下颌关节功能评价提供参考。方法: 收集20例骨性Ⅲ类正颌患者手术前及术后半年的CT影像资料,利用Mimics软件三维重建手术前、后颞下颌关节间隙,进行容积计算。采用SPSS 22.0软件包对数据进行统计学分析。结果: 术后双侧关节间隙有不同程度增大,右侧关节及双侧关节间隙的增大有统计学意义（P<0.05）。通过线性回归分析,正颌手术前、后双侧关节间隙容积呈明显正相关（手术前r=0.54,P=0.014;手术后r=0.59,P=0.006）。手术前、后性别间无统计学差异。结论: 利用Mimics软件重建正颌手术前、后颞下颌关节三维结构,可更直观地显示关节间隙容积与三维结构的变化,为关节间隙的研究提供了一种新的方法。通过比较正颌手术前、后颞下颌关节间隙容积,发现术后6个月髁突未恢复到术前位置。

关键词: 颞下颌关节间隙, 正颌外科, 容积

Abstract: PURPOSE: Imaging examination of temporomandibular joint(TMJ) space is an important index for the evaluation of temporomandibular joint diseases(TMD). A new method was used to reconstruct three-dimensional(3D) structure of the temporomandibular joint(TMJ) space and compare the volumes before and after orthognathic surgery, in order to provide a reference for functional evaluation of TMJ after orthognathic surgery. METHODS: The CT imaging data of 20 skeletal Class Ⅲ patients who underwent orthognathic surgery were collected and analyzed by Mimics software that was used to reconstruct and calculate the volume of TMJ space, SPSS 22.0 software package was used for statistical analysis. RESULTS: After surgery, the volume of TMJ space increased in both sides, but only the volume of right side and total TMJ space were statistically significant (P<0.05). By linear regression analysis, bilateral joint volume was positively correlated before and after surgery (r=0.54, P=0.014 before surgery; r=0.59, P=0.006 after surgery), and there was no significant difference between genders. CONCLUSIONS: This study proposed a new method to display the 3D structure of TMJ space. By comparison of the volume of TMJ space before and after orthognathic surgery, it was found that the condyle had not been restored to its original position 6 months after surgery.

Key words: TMJ space, Orthognathic surgery, Volume

中图分类号:

R782.2

孙红, 赵晋龙, 何黎升. 正颌手术前、后颞下颌关节间隙三维重建及对比分析[J]. 中国口腔颌面外科杂志, 2020, 18(4): 343-347.

SUN Hong, ZHAO Jin-long, HE Li-sheng. Three-dimensional reconstruction and comparison of temporomandibular joint space before and after orthognathic surgery[J]. China J Oral Maxillofac Surg, 2020, 18(4): 343-347.

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正颌手术前、后颞下颌关节间隙三维重建及对比分析

Three-dimensional reconstruction and comparison of temporomandibular joint space before and after orthognathic surgery

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