目的利用固定腭杆牵引装置矫治腭侧埋伏阻生上颌尖牙,观察其可行性。方法 4例腭侧埋伏阻生上颌尖牙,利用固定腭杆牵引阻生牙,使其萌出,后通过固定矫治器牵引至正常位置。结果 4例均成功牵出,牙髓活力正常,牙周情况良好。结论固定腭杆牵引装置在腭侧埋伏阻生上颌尖牙矫治中效果良好,是个不错的选择。 Objective To fix the maxillary canine by palatal obstruction with a fixed palatal rod traction device and observe its feasibility. Methods Four cases of maxillary canine were induced by palatal obstruction, the impacted teeth were pulled by fixed palatal rod, and then erupted, and then fixed to the normal position by fixed appliance. Results 4 cases were successfully pulled out, normal endodontic activity, good periodontal condition. Conclusion Fixed palatal rod traction device in the palatal impacted maxillary canine orthodontic effect is good, is a good choice.