摘要
目的:临床研究分析第二磨牙前移替代第一磨牙的正畸治疗,探讨这种治疗方法的适应证、临床疗效以及第三磨牙萌出情况等。方法:本组病例为伴第一恒磨牙严重病变或缺失的牙列拥挤患者20例(男5人,女15人),平均年龄为(17.9±3.9)岁,拔除病变的第一磨牙,运用直丝弓矫正技术解决牙弓拥挤或前突后,剩余拔牙间隙则前移第二磨牙关闭,分析其临床治疗效果、治疗特点和适应证。结果:20例患者经过治疗获得了满意的疗效,平均疗程(20.5±4.8)月,上下牙列排齐,覆牙合覆盖正常,后牙咬合接触良好,牙弓间隙全部关闭,面部侧貌改善。结论:第二磨牙前移替代第一磨牙的正畸治疗,有一定的可行性,把握矫治方法和技巧,能达到良好的矫治效果。
Objective：To investigate the indications, clinical effects and third molar eruption after treatment of malocclusion by moving the second molar forward to replace the first molar .Methods：Totally, 20 patients with severe lesion or loss of the first molar （5 males and 15 females, mean 17.9 ±3.9 yr） were treated with moving the second molar forward to re-place the first molar that was extracted.The clinical effects, treatment options and indications were analyzed.Results：Satisfactory effects were a-chieved in the total 20 patient after a mean treatment course of （20.5 ± 4.8） months, which led to symmetrical dentition, correct overbite and overjet of the anterior teeth, alignment midline, molar space being com-pletely closed, perfect posterior occlusion, well closed arch gap and im-proved facial profile.Conclusion：Moving the second molar forward to re-place the first molar can be feasible in correction of the malocclusion if the options and indications are properly managed .
出处
《皖南医学院学报》
CAS
2013年第6期488-490,共3页
Journal of Wannan Medical College
基金
芜湖市科技计划项目(2012cxy16)
院重点科研项目培育基金(wk2013Z09)
关键词
第一磨牙
拔除
正畸治疗
first molar
extraction
othodontic treatment
