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目的探讨改良颌间交互牵引法矫治个别后牙锁()的疗效。方法对本院2013年3月~2014年3月收治的639例初诊患者进行研究,其中单侧或双侧第二磨牙正锁患者12例,其中男8例,女4例,采用直丝弓矫治器与单侧垫矫正器联合应用的矫治方法进行矫正治疗。结果所有患者均得到矫治,完全进入正常牙弓的平均用时为90天,矫治牙弓良好,排列整齐,曲线平滑,咬合关系良好。结论采用改良颌间交互牵引法矫治个别后牙锁具有较好的疗效,具有临床推广的价值。
Objective To explore the effect of modified intermaxillary traction on the correction of individual posterior teeth lock (). Methods A total of 639 newly diagnosed patients admitted to our hospital from March 2013 to March 2014 were enrolled. Among them, 12 cases were involved in the unilateral or bilateral second molars, including 8 males and 4 females, Orthodontics and unilateral pad appliance orthodontic correction method for correction treatment. Results All the patients got orthodontic treatment. The average time spent entering the normal arch was 90 days. The dental arch was well arranged, neatly arranged, the curve was smooth, and the occlusion was good. Conclusion The improved intermaxillary traction method for the treatment of individual posterior teeth lock has a good effect, with clinical value.