the beginning of permanent dentition 恒牙初期
Permanent dentition [脊椎] 恒齿系
Objective: To investigate the relationship of early treatment and the permanent dentition occlusal.
目的：探讨早期牙矫治对恒牙列萌出及咬合稳定的关系。
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.
前言： 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。
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