Correction of Angle Class II division 1 malocclusion with a mandibular protraction appliances and multiloop edgewise archwire technique.
Correction of Angle Class II division 1 malocclusion with a mandibular protraction appliances and multiloop edgewise archwire technique.
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DOI：
10.4041/kjod.2014.44.5.268
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发表时间：
2014-09
影响因子：
1.9
通讯作者：
Janson G
中科院分区：
文献类型：
--
作者：
Freitas B;Freitas H;Dos Santos PC;Janson G
一名14岁零9个月的巴西女孩以牙齿突出为主诉。她面部轮廓凸出，过度突出，咬合深，缺乏被动唇封，鼻唇角尖锐，下颌骨后突。口腔内，她表现为上颌裂口，下颌切牙轻微拥挤，上颌弓小，13毫米的覆盖，4毫米的覆盖咬合。在诊断为严重的角度II类1分错颌后，放置下颌牵伸器矫正II类关系，并使用多环弓线进行整理。随访检查显示面部轮廓改善，覆盖和覆盖正常，间隔性良好。患者对她的咬合、微笑和面部外观都很满意。良好的结果表明，使用下颌牵引矫治器与多环弓丝技术相结合的正畸伪装是矫正拒绝正颌手术的II类错颌患者的有效选择。
A Brazilian girl aged 14 years and 9 months presented with a chief complaint of protrusive teeth. She had a convex facial profile, extreme overjet, deep bite, lack of passive lip seal, acute nasolabial angle, and retrognathic mandible. Intraorally, she showed maxillary diastemas, slight mandibular incisor crowding, a small maxillary arch, 13-mm overjet, and 4-mm overbite. After the diagnosis of severe Angle Class II division 1 malocclusion, a mandibular protraction appliance was placed to correct the Class II relationships and multiloop edgewise archwires were used for finishing. Follow-up examinations revealed an improved facial profile, normal overjet and overbite, and good intercuspation. The patient was satisfied with her occlusion, smile, and facial appearance. The excellent results suggest that orthodontic camouflage by using a mandibular protraction appliance in combination with the multiloop edgewise archwire technique is an effective option for correcting Class II malocclusions in patients who refuse orthognathic surgery.
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