一名患有严重上颌横向发育不足的骨骼Ⅲ类年轻成人，接受了上颌骨扩弓器治疗。
A skeletal Class III young adult with severe maxillary transverse deficiency treated with maxillary skeletal expander.
作者信息
Wang Fengcong, Liu Ping, Ding Bo
出版信息
Angle Orthod. 2025 May 1;95(3):332-346. doi: 10.2319/012724-71.1.
Abstract
This case report describes correction of maxillary constriction using a maxillary skeletal expander (MSE) in a 15-year-old female with a skeletal Class III pattern and asymmetry. The maxillary expansion device with four mini-implants was used to correct the constricted maxilla, bilateral crossbite of the posterior teeth, and crowding of the dentition. Comparison of cone-beam computed tomography scans before and after treatment showed that the majority of maxillary expansion was orthopedic, with minimal alveolar bone bending and tooth tipping. Fixed appliances were used to correct the crowding and malocclusion. Stable and satisfactory maxillary expansion was obtained by using MSE non-urgically.
摘要
本病例报告描述了一名15岁骨骼Ⅲ类错颌畸形且不对称的女性患者，使用上颌骨扩弓器（MSE）矫治上颌缩窄的情况。采用带有四个微型种植体的上颌扩弓装置来矫治上颌缩窄、后牙双侧反合以及牙列拥挤。治疗前后锥形束计算机断层扫描的对比显示，上颌的扩弓主要是骨性的，牙槽骨弯曲和牙齿倾斜程度最小。使用固定矫治器来矫治牙列拥挤和错颌畸形。通过非手术方式使用MSE获得了稳定且令人满意的上颌扩弓效果。
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