自体移植下颌前磨牙治疗上颌恒中切牙脱位 14 年随访。

Treatment of an avulsed maxillary permanent central incisor replaced by autotransplantation of a mandibular premolar: 14-year follow-up.

机构信息

Department of Paediatric Dentistry, School of Dentistry, University of Seville, Seville, Spain.

出版信息

Int Endod J. 2010 Sep;43(9):818-27. doi: 10.1111/j.1365-2591.2010.01738.x. Epub 2010 Jun 8.

Abstract

AIM

To present the 14 year follow-up of a case in which an avulsed permanent maxillary central incisor was replaced by autotransplantation of a mandibular premolar.

SUMMARY

A mandibular premolar (Moorrees' stage 3) was transplanted into the space left by an avulsed permanent maxillary central incisor after a delay of 3 months. Recall examination 14 years after transplantation revealed a normal periodontal architecture with absence of infection, ankylosis or progressive resorption. The transplantation of a premolar is seen as a promising method to replace a lost permanent tooth and to restore aesthetics and function.

KEY LEARNING POINTS

  • Autotransplantation is a viable option for the treatment of a missing tooth or for replacement of avulsed and traumatized tooth when a donor tooth is available. * Autotransplantation is a therapeutic option for the substitution of missing anterior teeth in young patients who also need orthodontic treatment.
摘要

目的

介绍一例上颌恒中切牙脱位后自体移植下颌前磨牙,14 年随访的结果。

摘要

脱位 3 个月后,将一颗下颌前磨牙(Moorrees 分期 3 期)移植到上颌恒中切牙缺失的位置。移植后 14 年的复查显示,牙周结构正常,无感染、骨粘连或进行性吸收。前磨牙的自体移植被视为一种有前途的方法,可用于替代缺失的恒牙,并恢复美观和功能。

主要知识点

  • 自体移植是治疗缺失牙或当有供体牙时,用于替代脱位和创伤牙的可行选择。

  • 自体移植是年轻患者缺失前牙且需要正畸治疗时的一种治疗选择。

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