青少年安氏I、Ⅱ类错畸形患者髁突位置的比较

上海口腔医学 ›› 2016, Vol. 25 ›› Issue (6): 694-696.

青少年安氏I、Ⅱ类错畸形患者髁突位置的比较

顾永佳¹, 陆胜男¹, 高美琴¹, 顾鑫宇¹, 石慧¹, 马俊青²

1.南通市口腔医院正畸科,江苏南通 226001;
2.南京医科大学口腔附属口腔医院正畸科,江苏南京 221000

收稿日期:2016-05-26 出版日期:2016-12-25 发布日期:2016-12-29
通讯作者: 马俊青,E-mail：majunq@163.com
作者简介:顾永佳（1977-）,男,硕士,副主任医师,E-mail:ntskqyygyj@126.com
基金资助:
江苏省口腔疾病研究重点实验室资助项目

Comparison of condylar position between Angle Class I and Class Ⅱ malocclusion in teenagers

GU Yong-jia¹, LU Sheng-nan¹, GAO Mei-qin¹, GU Xin-yu¹, SHI Hui¹, MA Jun-qing²

1.Department of Orthodontics, Stomatological Hospital of Nantong City. Nantong 226001;
2. Department of Orthodontics, Affiliated Stomatological Hospital of Nanjing Medical University. Nanjing 221000, Jiangsu Province, China

Received:2016-05-26 Online:2016-12-25 Published:2016-12-29

摘要/Abstract

摘要： 目的应用锥体束CT（CBCT）测量青少年安氏I、Ⅱ类错畸形患者髁突在关节窝中的位置,比较其间的差异。方法选择符合实验设计的安氏I、Ⅱ类患者共90例,其中I类30例,Ⅱ类1分类30例,2分类亦为30例。研究对象摄取CBCT,使用Exam Vision软件进行关节间隙的测量,测量出髁突位于关节窝的位置,利用SPSS17.0软件包对结果进行统计学分析。结果髁突位于关节窝的位置,安氏Ⅱ类患者较安氏I类患者前间隙大,后间隙小;安氏Ⅱ类2分类患者较1分类患者上间隙、前间隙明显增大,后间隙缩小,差异具有显著性（P<0.05）。安氏Ⅱ类患者髁突长度显著小于安氏I类患者,安氏Ⅱ类2分类者尤其短（P<0.05）。结论青少年安氏Ⅱ类患者较I类患者髁突位置明显靠后下且髁突长度变短,Ⅱ类2分类患者尤为明显,应尽早进行正畸治疗,引导髁突回归正常位置。

关键词: 颞下颌关节, 安氏Ⅱ, 类错畸形, 锥形束CT

Abstract: PURPOSE: To analyze and compare the difference of condylar position between Angle Class I and Class Ⅱ malocclusion patients using cone-beam CT (CBCT). METHODS: Thirty Class I patients, 30 Class Ⅱ division 1 patients and 30 Class Ⅱ division 2 patients were selected in this study. Each patient underwent CBCT. The images in the oblique position perpendicular to the condyloid process were reconstructed by Examvision software. The joint space was measured by Exam Vision software. The data were processed with SPSS17.0 software package. RESULTS: The upper joint space was larger in Class Ⅱ, the posterior joint space was smaller in Class Ⅱ patients; and in Class Ⅱ division 1 patients, both of the upper and anterior joint spaces were larger than in Class Ⅱ division 2 patients,the differences were significant (P<0.05). The length of condyle was longer in Class I patients than in Class Ⅱ patients. CONCLUSIONS: The condylar position in Class Ⅱ division 2 patients was lower and further backward. The length of condyle is shortest in Class Ⅱ division 2 patients.

Key words: Temporomandibular joint, Angle Class Ⅱ, malocclusion, Cone-beam CT

中图分类号:

R783.5

顾永佳, 陆胜男, 高美琴, 顾鑫宇, 石慧, 马俊青. 青少年安氏I、Ⅱ类错畸形患者髁突位置的比较[J]. 上海口腔医学, 2016, 25(6): 694-696.

GU Yong-jia, LU Sheng-nan, GAO Mei-qin, GU Xin-yu, SHI Hui, MA Jun-qing. Comparison of condylar position between Angle Class I and Class Ⅱ malocclusion in teenagers[J]. Shanghai Journal of Stomatology, 2016, 25(6): 694-696.

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