固定式Twin-block矫治青春期骨性II类错的临床效果评价

doi:10.19439/j.sjos.2021.04.015

上海口腔医学 ›› 2021, Vol. 30 ›› Issue (4): 414-418.doi: 10.19439/j.sjos.2021.04.015

固定式Twin-block矫治青春期骨性II类错的临床效果评价

马晓晴¹, 赵宁², 项飞¹, 周曼莉¹, 钱文昊¹

1.上海市徐汇区牙病防治所口腔正畸科,上海 200032;
2.上海交通大学医学院附属第九人民医院·口腔医学院口腔正畸科,上海 200011

收稿日期:2020-03-12 修回日期:2020-05-29 出版日期:2021-08-25 发布日期:2021-09-23
通讯作者: 钱文昊,E-mail:pingyanlaoto@163.com
作者简介:马晓晴(1978-),男,硕士,副主任医师,E-mail:mxq780927@163.com
基金资助:
2017年徐汇区医学尖峰学科(SHXH201706); 上海市医学重点专科(ZK2019B12); 徐汇区医学科研项目(SHXH201915)

Clinical study of the effect of fixed Twin-block on adolescent skeletal ClassⅡmalocclusion

MA Xiao-qing¹, ZHAO Ning², XIANG Fei¹, ZHOU Man-li¹, QIAN Wen-hao¹

1. Department of Orthodontics, Shanghai Xuhui District Dental Center. Shanghai 200032;
2. Department of Orthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine. Shanghai 200011, China

Received:2020-03-12 Revised:2020-05-29 Online:2021-08-25 Published:2021-09-23

摘要/Abstract

摘要： 目的: 评价固定式Twin-block矫治器的固位效果及治疗青春期骨性Ⅱ类错的临床疗效。方法: 选取26例（男12例,女14例）青春期骨性Ⅱ类1分类错畸形患者（年龄11~13岁,平均11.8岁）,采用固定式Twin-block矫治器引导下颌骨前伸,疗程1年。治疗前、后拍摄头颅定位侧位片,观察患者的骨性、牙性及软组织变化。采用Graphpad Prism 6.0软件对治疗前、后数据进行配对t检验。结果: 治疗中未出现矫治器松动、破坏,所有病例侧貌获得明显改善。发生显著变化的指标有:下颌骨长度和位置（Co-Gn、SNB、ANB、Pog-VL、Pos-VL）,上前牙位置和倾斜度（U1-VL、U1-SN）,下牙列矢状向位置（L1-VL、L6-VL）（P<0.05）;变化不显著的指标有:下颌平面角（MP-SN）,上颌骨位置和长度（SNA、A-VL）,上前牙垂直向位置（U1-HL）,上后牙位置（U6-VL、U6-HL）,下前牙倾斜度（IMPA）,下牙列垂直向位置（L6-MP、L1-MP）（P>0.05）。结论: 固定式矫治器Twin-block可增强下颌支抗,有效促进下颌骨生长,改善患者侧貌。

关键词: 固定式Twin-block矫治器, 青春期, 骨性Ⅱ类1分类错, 功能矫治

Abstract: PURPOSE: To evaluate the retention ability of fixed Twin-block appliance and its clinical effect on adolescent skeletal ClassⅡmalocclusion. METHODS: Twenty-six skeletal ClassⅡdivision 1 adolescents (M:12, F: 14; age:11~13 years, average: 11.8 years) were chosen and fixed Twin-block appliance was used to guide the mandibular protrusion for one year. Before and after treatment, cephalometric films were taken to observe the skeletal, dental and soft tissue changes. Graphpad Prism 6.0 software was used for Student's t test. RESULTS: There was no loosening or destruction of the appliance during the treatment and the profile of all cases was improved significantly. The indexes that showed significant difference(P<0.05) included the mandibular length and position (Co-Gn, SNB, ANB, Pog-VL, Pos-VL), the inclination and position of the maxillary incisors(U1-VL, U1-SN), the sagittal position of the mandibular dentition(L1-VL, L6-VL). The indexes that showed insignificant difference(P>0.05) included the mandibular plane(MP-SN), the length and position of the maxilla (SNA, A-VL), the vertical position of the maxillary incisor(U1-HL), the position of the maxillary posterior teeth(U6-VL, U6-HL), the mandibular incisor inclination(IMPA) and the vertical position of the mandibular dentition(L6-MP,L1-MP). CONCLUSIONS: Fixed Twin-block appliance can enhance the mandibular anchorage, effectively promote the mandibular growth and improve the facial profile.

Key words: Fixed Twin-block, Adolescent, Skeletal Class II division 1 malocclusion, Functional orthodontic treatment

中图分类号:

R783.5

马晓晴, 赵宁, 项飞, 周曼莉, 钱文昊. 固定式Twin-block矫治青春期骨性II类错的临床效果评价[J]. 上海口腔医学, 2021, 30(4): 414-418.

MA Xiao-qing, ZHAO Ning, XIANG Fei, ZHOU Man-li, QIAN Wen-hao. Clinical study of the effect of fixed Twin-block on adolescent skeletal ClassⅡmalocclusion[J]. Shanghai Journal of Stomatology, 2021, 30(4): 414-418.

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固定式Twin-block矫治青春期骨性II类错的临床效果评价

Clinical study of the effect of fixed Twin-block on adolescent skeletal ClassⅡmalocclusion

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