1.The relapse of orthodontically rotated teeth can be a serious problem in occlusal stability after orth-odontic treatment.

1.扭转牙的复发是正畸临床治疗后牙稳定性的难。

2.Occlusal or vertical movement of maxillary and mandibular molars was not correlated to mandibular rotation or horizatal displacement of pogonion.

2.畸形患者的颌垂直向生长和颏点垂直向移位增加。上颌与颌磨牙的垂直向或向移动与颌旋转及颏点的水平向移位。

3.Molar relation changed from class II to class I relationship;Anterior overjet and overbite are normal;Good occlusal intercuspation is also achieved.

3.治完成后均达到理想的侧貌外形，磨牙系由II类改正为I类系，前牙覆覆盖正常，尖窝系良好。

4.Methods Seven patients with fractures of the jaw had procedures performed to recover the occlusal relationship by using an edgewise-appliance as a dental arch epithesis.

4.方法利用方丝弓治器作为牙弓夹板对颌骨外伤患者进行术中颌系复位、术后颌系调整,观察其疗效。