目的分析临床中正畸正颌联合治疗颜面不对称患者头颅定位后前位片的非对称性。方法回顾性分析2013年6月-2014年6月采用正畸正颌联合治疗的50例不同程度颜面不对称患者资料,对治疗前后测量头颅定位后前位片指标的非对称率与同期进行体检的50名正常人的非对称率进行对比分析。结果上颌指标:L 2、L 3、L 4、L 5、L 6、L 7、L 8、L 9、L 10非对称率与正常值差异均有统计学意义(P<0.05);治疗前后L 3、L 6、L 7、L 10非对称率差异均有统计学意义(P<0.05)。下颌指标:L 1、L 3、L 4、L 5、L 6、L 7、L 8、L 9、L 10非对称率与正常值差异均有统计学意义(P<0.05);治疗前后L 1、L 3、L 4、L 5、L 6、L 7、L 8、L 9、L 10非对称率差异均有统计学意义(P<0.05)。结论临床中颜面不对称患者主要体现在面下的1/3位置,颜面下颌体部不对称最为明显。 Objective To analyze the asymmetry of the anterior mastectomy in patients with facial asymmetry in orthodontics and orthognathic surgery. Methods The data of 50 patients with different degrees of facial asymmetry treated by orthodontics and orthognathic surgery from June 2013 to June 2014 were analyzed retrospectively. The asymmetry of the anterior index after cranioplasty was measured before and after the treatment as compared with the same period Of 50 normal people’s asymmetry rate comparative analysis. Results There were significant differences in asymmetry between the maxillary index and the normal value of L 2, L 3, L 4, L 5, L 6, L 7, L 8, L 9 and L 10 (P 0.05) L 3, L 6, L 7, L 10 asymmetry rates were statistically significant (P <0.05). The indexes of mandible: the asymmetry of L 1, L 3, L 4, L 5, L 6, L 7, L 8, L 9 and L 10 were all statistically significant (P <0.05) 1, L 3, L 4, L 5, L 6, L 7, L 8, L 9 and L 10 in the two groups were significantly different (P <0.05). Conclusion The patients with facial asymmetry in clinical manifestations are mainly located in 1/3 of the face under the face. The facial asymmetry of the facial mandible is the most obvious.