本研究通过电子计算机Ｘ线头影测量技术，对５６名经早期矫治的替牙期前牙反患者（男２４，女３２；治疗前平均年龄９．５岁，追踪观察时平均年龄１６．９岁）进行了观察期为矫治完成后５～１０年的追踪研究。结果发现，前牙反殆矫治后影响长期稳定、产生复发的主要因素为家族史、乳牙反胎史、治疗方法、ＡＮＢ、ＭＰ－ＳＮ、ＬＩＬＩＡ－ＭＰ，颏角、覆猎、覆盖。为临床治疗提供了参考和依据。 In this study, 56 patients (24 males and 32 females) with anterior teeth were treated with computerized X-ray cephalometry. The average age before treatment was 9.5 years, and the mean age at follow-up was 16.9 years ) Were observed for the correction of 5 to 10 years after the completion of follow-up study. The results showed that the main factors affecting the long-term stability after anti-atypical orthodontic treatment were familial history, deciduous fetus, treatment methods, ANB, MP-SN, LILIA-MP, mental angle, covering and covering. For clinical treatment provides a reference and basis.