Results The palatal implant connecting with the first permanent molar significantly reduced mesial movement and protrusi结果种植体连接在第一恒磨牙上更有利于控制支抗牙近中移动和垂直仲长；连接在第二双尖牙上对第一恒磨牙的居向移动控制更好。
They found dental retrusion in a otherwise balanced male skeletal pattern and the maxillary deficient profile in a other结论本研究有利于中外正畸医师在治疗中国患者时有所依据，以达到医患均满意的治疗效果。