[Diagnosis and orthodontic treatment strategy of complete canine transposition].

Tooth transposition is a challenge for orthodontists, especially in correcting the order of teeth. At present, the literature on transposition canines mainly focuses on epidemiological studies and case reports, and no systematic treatment guidance has been formed. In this article, the definition and classification, epidemiology and etiology, imaging diagnosis, treatment and risk control of transposed canines are systematically described in order to provide reference for clinical practice.尖牙易位正畸治疗风险高、难度大，选择适宜的治疗时机和治疗方法纠正易位尖牙对正畸医师是一个挑战。目前，关于易位尖牙的文献主要集中于流行病学研究及病例报道，尚未形成系统的治疗指导。本文对易位尖牙的定义及分类、流行病学特征与病因、影像学检查与诊断、正畸治疗及治疗中、治疗后的风险控制进行系统阐述，以期为临床提供参考。.