The Study of Treatment Angle’s Class Ⅱ Division Ⅰ Malocclusion with the Single Maxillary Extraction Orthodontics_West China Medical Journal

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the Department of orthodontics, the Affiliated Stomatolegical Hospital of Luzhou Medical College, Luzhou Sichuan 646000, China;

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Keywords：

安氏II类1分类错牙合; 上颌单颌拔牙; 头影测量

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目的:探讨上颌单颌拔牙矫治的的临床效果、适应症。方法:选择18例安氏II类1分类错牙合患者采用上颌单颌拔牙模式矫治,对矫治前后X线头影测量数据进行对比分析。结果:① U1-SN增加4.84°,L1-MP增加2.78°,前牙覆盖减少4.06 mm,覆牙合减少3.39 mm,上唇突度减小1.39 mm、鼻唇角增大3.06°,Z角增大3.22°。② 18例患者矫治后侧貌明显改善,前牙覆牙合覆盖关系正常,磨牙呈完全远中关系,尖牙为中性关系。结论:上颌单颌拔牙模式适用于下唇突度小的轻度拥挤的轻度骨性和牙源性的Ⅱ类1分类错牙合。

Citation： PANG Lan,YANG Siwei.. The Study of Treatment Angle’s Class Ⅱ Division Ⅰ Malocclusion with the Single Maxillary Extraction Orthodontics. West China Medical Journal, 2009, 24(9): 2244-2246. doi: Copy

1.	庞光明,周宏源.上颌单颌拔牙矫治成人安氏II1错牙合的回顾性研究[J].临床口腔医学杂志,2006,22(9):554-555.
2.	SCOTT CONLEY R, JERNIGAN C. Soft tissue changes after upper premolar extraction in Class II camouflage therapy[J]. Angle Orthod, 2006,76(1):59-65.
3.	BISHARA SE, CUMMINS DM, JAKOBSEN JR, et al. Dentofacial and soft tissue changes in Class II, division 1 cases treated with and without extractions[J]. Am J Orthod Dentofacial Orthop, 1995,107(1):28-37.
4.	DEMIR A, UYSAL T, SARI Z, et al. Effects of camouflage treatment on dentofacial structures in Class II division 1 mandibular retrognathic patients[J]. Eur J Orthod, 2005,27(5):52431.
5.	RUDEE DA. Proportional profile changes concurrent with orthodontic therapy[J]. Am J Orthod,1964,50(6):421-434.
6.	TADIC N, WOODS MG. Incisal and soft tissue effects of maxillary premolar extraction in class II treatment[J]. Angle Orthod, 2007,77(5):808-816.
7.	杜英,段银忠,杨振华,等.上颌单颌拔牙与双颌拔牙矫治安氏II类1分类错牙合的软硬组织对比研究[J].广东牙病防治,2003,11(4):296-297.

1. 庞光明,周宏源.上颌单颌拔牙矫治成人安氏II1错牙合的回顾性研究[J].临床口腔医学杂志,2006,22(9):554-555.
2. SCOTT CONLEY R, JERNIGAN C. Soft tissue changes after upper premolar extraction in Class II camouflage therapy[J]. Angle Orthod, 2006,76(1):59-65.
3. BISHARA SE, CUMMINS DM, JAKOBSEN JR, et al. Dentofacial and soft tissue changes in Class II, division 1 cases treated with and without extractions[J]. Am J Orthod Dentofacial Orthop, 1995,107(1):28-37.
4. DEMIR A, UYSAL T, SARI Z, et al. Effects of camouflage treatment on dentofacial structures in Class II division 1 mandibular retrognathic patients[J]. Eur J Orthod, 2005,27(5):52431.
5. RUDEE DA. Proportional profile changes concurrent with orthodontic therapy[J]. Am J Orthod,1964,50(6):421-434.
6. TADIC N, WOODS MG. Incisal and soft tissue effects of maxillary premolar extraction in class II treatment[J]. Angle Orthod, 2007,77(5):808-816.
7. 杜英,段银忠,杨振华,等.上颌单颌拔牙与双颌拔牙矫治安氏II类1分类错牙合的软硬组织对比研究[J].广东牙病防治,2003,11(4):296-297.

West China Medical Journal

The Study of Treatment Angle’s Class Ⅱ Division Ⅰ Malocclusion with the Single Maxillary Extraction Orthodontics

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