犬齿换位作为上颌切牙创伤的替代方法：病例报告。
Canine transposition as an alternative to trauma of the maxillary incisors: case report.
作者信息
Lara María Salcedo, Rodríguez Rocío Briones, Perea María Biedma, Mendoza Beatriz Solano
机构信息
Universidad de Sevilla, Facultad de Odontología, Departamento de Ortodoncia (Sevilla, España).
Universidad de Sevilla, Facultad de Odontología, Departamento de Pediatría (Sevilla, España).
出版信息
Dental Press J Orthod. 2018 Aug 1;23(4):55-63. doi: 10.1590/2177-6709.23.4.055-063.oar.
OBJECTIVE
The present article aims at reporting the clinical case of a patient who suffered trauma at two years of age, causing almost complete apical displacement of the deciduous maxillary left central incisor and of the permanent incisor.
METHODS
Ectopia secondary to intrusion was minimized by surgical removal of the ectopic tooth, and the left permanent canine was submitted to orthodontic traction to replace the extracted tooth.
RESULTS
The treatment period lasted 36 months, resulting in correct occlusion and a good aesthetic outcome.
CONCLUSIONS
Dental transposition carried out by means of orthopedic traction is a good alternative in cases of a very unfavorable ectopic tooth position.
目的
本文旨在报告一名两岁时遭受外伤的患者的临床病例，该外伤导致上颌左侧乳牙中切牙和恒牙几乎完全根尖移位。
方法
通过手术拔除异位牙，尽量减少因嵌入导致的异位，对左侧恒尖牙进行正畸牵引以替代拔除的牙齿。
结果
治疗期持续36个月，咬合正常，美观效果良好。
结论
对于异位牙位置非常不利的情况，通过正畸牵引进行牙齿换位是一种很好的选择。
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