成人骨性错牙合   的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析

doi:10.13418/j.issn.1001-165x.2023.3.06

中国临床解剖学杂志 ›› 2023, Vol. 41 ›› Issue (3): 277-282.doi: 10.13418/j.issn.1001-165x.2023.3.06

成人骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析

林思豆¹，吴补领²，黄文华³*

1.南宁市第一人民医院口腔科，南宁 530000； 2.南方医科大学深圳口腔医院（坪山），深圳 518000；
3. 南方医科大学基础医学院人体解剖学国家重点学科，广东省数字医学与生物力学重点实验室，广东省医学
3D打印应用转化工程技术研究中心，广州 510515

收稿日期:2022-01-26 出版日期:2023-05-25 发布日期:2023-06-05
通讯作者: 黄文华，教授，E-mail：huangwenhua2009@139.com
作者简介:林思豆（1991-），女，广西贺州人，硕士研究生，主治医师，主要研究方向：口腔正畸学，E-mail：linsidou1991@163.com
基金资助:
国家自然基金（21773199，31972915）；广东省基础与应用基础研究基金（2020B1515120001）

Comparison and correlation analysis of sagittal inclination of anterior teeth and lengths of dental arch and basal bone arch in adult skeletal malocclusions

Lin Sidou¹, Wu Bulin², Huang Wenhua³*

1. Department of Stomatology, The First People’s Hospital of Nanning, Nanning 530000 China; 2. Shenzhen Stomatological Hospital (Pingshan), Southern Medical University, Shenzhen 518000 China; 3. Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China

Received:2022-01-26 Online:2023-05-25 Published:2023-06-05

摘要/Abstract

摘要： 目的比较骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度，并评估3个指标间的相关性。方法于治疗前收集104名骨性Ⅰ、Ⅱ、Ⅲ类错牙合及个别正常牙合的CBCT数据，使用MATLAB软件测量下前牙矢状向倾斜度和牙弓、基骨弓长度，分析指标间的差异及相关性。结果 Ⅲ类错牙合的下前牙矢状向倾斜度显著小于其余3组，牙弓、基骨弓长度大于其余3组；Ⅱ类错牙合的下切牙矢状向倾斜度显著大于其余3组。下前牙矢状向倾斜度与相应基骨弓长度呈中度负相关（中切牙区至尖牙区的相关系数 r 分别为-0.557、-0.554和 -0.489，P<0.001），而与牙弓长度无相关性。结论不同骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度存在差异。通过下前牙矢状向倾斜度的大小可以评估相应基骨的矢状向发育情况，但改变下前牙矢状向倾斜度不足以影响牙弓长度。

关键词: 骨性错牙合 , , ； , , 矢状向倾斜度； , , 牙弓长度； , , 基骨弓长度

Abstract: Objective To compare the sagittal inclination of anterior teeth and lengths of dental arch and basal bone arch in skeletal malocclusions and to evaluate the relevance between these three variables. Methods One hundred and four pretreatment CBCT data of subjects with skeletal Class I, II, III malocclusion and normal occlusion were collected. MATLAB software was used to measure the sagittal inclination of anterior teeth, lengths of dental arch and basal bone arch. The differences and correlation between the indexes were evaluated and analyzed. Results The sagittal inclination of anterior teeth in class III group was significantly less than in other three groups. The lengths of dental arch and basal bone arch in class III group were greater than in the other three groups. The sagittal inclination of incisors in class II group was significantly greater than in the other three groups. The sagittal inclination of anterior teeth was moderately negatively correlated with the lengths of the corresponding basal bone arch (r=-0.557,-0.554,-0.489 P<0.001), while the sagittal inclination of anterior teeth was not correlated with the length of dental arch. Conclusions There were differences in sagittal inclination of anterior teeth, lengths of dental arch and basal bone arch between different skeletal malocclusions. We can evaluate the sagittal growth of basal bone by sagittal inclination of anterior tooth. However, changing sagittal inclination of anterior tooth has little impact on the length of dental arch.

Key words: Skeletal malocclusion; , , Sagittal inclination; , , Dental arch length; , , Length of basal bone arch

中图分类号:

R783.5

林思豆, 吴补领, 黄文华. 成人骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析[J]. 中国临床解剖学杂志, 2023, 41(3): 277-282.

Lin Sidou, Wu Bulin, Huang Wenhua. Comparison and correlation analysis of sagittal inclination of anterior teeth and lengths of dental arch and basal bone arch in adult skeletal malocclusions[J]. Chinese Journal of Clinical Anatomy, 2023, 41(3): 277-282.

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成人骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析

Comparison and correlation analysis of sagittal inclination of anterior teeth and lengths of dental arch and basal bone arch in adult skeletal malocclusions

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成人骨性错牙合 的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析

Comparison and correlation analysis of sagittal inclination of anterior teeth and lengths of dental arch and basal bone arch in adult skeletal malocclusions

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成人骨性错牙合的下前牙矢状向倾斜度和牙弓、基骨弓长度的比较及相关性分析