下颌骨不对称三维诊断坐标系的建立与评价

doi:10.13701/j.cnki.kqyxyj.2023.03.013

口腔医学研究 ›› 2023, Vol. 39 ›› Issue (3): 254-258.DOI: 10.13701/j.cnki.kqyxyj.2023.03.013

下颌骨不对称三维诊断坐标系的建立与评价

邰岳, 朱照琨, 黄立维, 唐丽, 罗恩^*

口腔疾病研究国家重点实验室国家口腔疾病临床医学研究中心四川大学华西口腔医院正颌及关节外科四川成都 610041

收稿日期:2022-10-13 出版日期:2023-03-28 发布日期:2023-03-21
通讯作者: * 罗恩,E-mail:luoen521125@sina.com
作者简介:邰岳(1997~ ),男,山东烟台人,医师,博士,研究方向:正颌及关节外科。
基金资助:
四川省重点研发项目(编号:2022-YFS0038);成都市科技计划项目(编号:2021-YF05-01627-SN)

Establishment and Evaluation of Three-dimensional Diagnosis Coordinate System for Mandibular Asymmetry Deformity

TAI Yue, ZHU Zhaokun, HUANG Liwei, TANG Li, LUO En^*

State Key Laboratory of Oral Diseases ＆ National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stmatology, Sichuan University, Chengdu 610041, China

Received:2022-10-13 Online:2023-03-28 Published:2023-03-21

摘要/Abstract

摘要： 目的: 比较4种不同水平参考面及相应三维坐标系在下颌骨不对称畸形评价上的差异,为临床诊疗提供依据。方法: 收集80例牙颌面畸形患者的术前螺旋CT影像资料进行回顾性分析,三维重建后,分为对称组(n=40)及下颌骨不对称组(n=40),构建4种三维诊断坐标系(FHP、FHO、FHC、CHP),筛选不对称畸形的偏斜评估指标,使用ROC曲线评估各三维参考坐标系在诊断下颌骨不对称畸形的差异性。结果: 不同水平参考面构建的三维参考坐标系针对下颌骨不对称畸形的诊断效果存在差异。CHP与FHP、FHO、FHC的AUC面积差异有统计学意义,FHP与FHO及CHP在不对称患者的偏斜评估上有统计学差异,FHC与FHO及CHP在对称及不对称患者的偏斜评估上均有统计学差异。结论: 经过双侧眶下点建立三维坐标系(FHP、FHC)对下颌骨不对称畸形的诊断更可靠。临床上建议使用双侧眶下点及右侧耳点构建的三维诊断坐标系进行下颌骨不对称畸形的诊断及手术设计。

关键词: 正颌外科, 下颌骨不对称畸形, 三维诊断坐标系, 水平参考面

Abstract: Objective: To compare the differences of four kinds of horizontal reference planes and three-dimensional coordinate systems in the evaluation of mandibular asymmetry deformity. Methods: Preoperative spiral CT scans of patients with dental and maxillofacial deformities were collected for retrospective analysis. After three-dimensional reconstruction, the symmetric group (40 cases) and the mandibular asymmetric group (40 cases) were classified. Four kinds of three-dimensional diagnosis coordinate systems (FHP, FHO, FHC, CHP) were constructed and the evaluation indicators of asymmetric deformities were screened. ROC curve was used to evaluate the difference of the three-dimensional coordinate system in the diagnosis of mandibular asymmetry deformity. Results: There were differences in the diagnostic effects of three-dimensional coordinate system constructed with different horizontal reference planes for asymmetric jaw deformity. The AUC area of CHP and those of FHP, FHO, and FHC was significantly different. The assessment effect on asymmetric patients from FHP was statistical different from those from FHO and CHP, and the assessment effect on both symmetric and asymmetric patients from FHC was statistical differences from those from FHO and CHP. Conclusion: It is reliable to establish three-dimensional coordinate system through bilateral orbitale. In clinical practice, bilateral orbital and right porion can be used to construct a three-dimensional diagnostic coordinate system for orthognathic surgical diagnosis and design.

Key words: orthognathic surgery, mandibular asymmetry deformity, three-dimensional diagnosis coordinate system, horizontal reference plane

邰岳, 朱照琨, 黄立维, 唐丽, 罗恩. 下颌骨不对称三维诊断坐标系的建立与评价[J]. 口腔医学研究, 2023, 39(3): 254-258.

TAI Yue, ZHU Zhaokun, HUANG Liwei, TANG Li, LUO En. Establishment and Evaluation of Three-dimensional Diagnosis Coordinate System for Mandibular Asymmetry Deformity[J]. Journal of Oral Science Research, 2023, 39(3): 254-258.

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下颌骨不对称三维诊断坐标系的建立与评价

Establishment and Evaluation of Three-dimensional Diagnosis Coordinate System for Mandibular Asymmetry Deformity

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