水平阻生上颌前磨牙及双侧尖牙异位
Horizontally impacted maxillary premolar and bilateral canine transposition.
作者信息
Halazonetis Demetrios J
机构信息
Department of Orthodontics, School of Dentistry, University of Athens, Athens, Greece.
出版信息
Am J Orthod Dentofacial Orthop. 2009 Mar;135(3):380-9. doi: 10.1016/j.ajodo.2008.09.019.
This case report describes the treatment of a patient whose maxillary left first premolar was impacted horizontally, and both maxillary canines were transposed relative to the first premolars. The patient was treated without extractions, and both canines were brought to their correct positions in the maxillary arch. Treatment mechanics during the various stages are discussed.
本病例报告描述了一名患者的治疗情况,该患者上颌左侧第一前磨牙水平阻生,且两颗上颌尖牙相对于第一前磨牙发生了移位。患者未进行拔牙治疗,两颗尖牙均被牵引至其在上颌牙弓中的正确位置。文中讨论了各个阶段的治疗力学原理。