Objective : The purpose is to research indications and effect of implant treatment in orthodontic treatment in the permanent dentition with missing teeth or significant spacing .

目的：探讨正畸开辟间隙法与种植义齿结合治疗个别牙缺失和牙列 稀疏错 牙合畸形的临床效果。

Method : The authors have treated 20 cases of the permanent dentition with missing teeth or significant spacing with space regaining or focusing on space and implant methods .

方法：利用正畸开辟间隙法结合种植义齿修复对20例 牙缺失或先天牙列 稀疏的病例进行矫治。