目的：探讨防止埋伏阻生牙矫治过程中各种并发症的措施。
Objective:To investigate the measure for avoiding the complication during the process of impacted teeth treatment.
结论：正畸病人埋伏阻生牙能通过治疗恢复牙列美观与功能。
Conclusion The impacted teeth can restor the functions and beauty .
方法：应用固定正畸技术对16例埋伏阻生牙采用助萌法或导萌法矫治。
Methods: 16 patients with impacted anterior maxillary teeth were treated with fixed orthodontic technique.
结果：上颌骨内埋伏阻生牙33颗，均能准确无误地显示出埋伏牙的方向、形态、数目、唇腭侧骨质厚度。
RESULTS: It was found that the number, size, shape, location, Angle between crown and root of all the 33 impacted teeth could be displayed accurately.
结果翻瓣术式后固定矫正器经12 ~18个月，开窗术式后固定矫正器8 ~ 12个月使倒置埋伏阻生牙进入牙弓排齐。
Results after flap operation, the inversely impacted teeth was aligned by using fixed appliance for 12 ~ 18 months. And after fenestration it needs 8 ~ 12 months.
结论DCT可以为牙种植、肿瘤与囊肿、埋伏阻生牙、炎症的诊断提供足够有效的信息，并为其治疗方案和手术方式的选择提供依据。
Conclusion DCT could provide sufficiently valuable evidences in diagnose and surgical therapy of dental implantation, tumor and cyst, impacted and embedded tooth, inflammatory diseases.
结论DCT可以为牙种植、肿瘤与囊肿、埋伏阻生牙、炎症的诊断提供足够有效的信息，并为其治疗方案和手术方式的选择提供依据。
Conclusion DCT could provide sufficiently valuable evidences in diagnose and surgical therapy of dental implantation, tumor and cyst, impacted and embedded tooth, inflammatory diseases.
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