目的:测量和评估正颌外科术前和术后患者的人格特征及其变化。方法:选取中山大学附属口腔医院正颌外科中心2008年6月—2009年3月实施正颌手术的患者36例,以2006年华东师范大学选取325名受试者(大学生161名,外企员工164名)所制定的常量表为对照组,采用美国卡特尔教授编制的卡特尔16种个性因素问卷(16PF),测量患者手术前、后的人格特征并分析其变化,应用SPSS10.0软件包对数据进行t检验。结果:正颌外科手术前,患者组的16PF-A因素(乐群性)、16PF-F因素(活跃性)和16PF-L因素(警惕性)与对照组相比具有显著性(P<0.05);术后3个月复诊患者31例,患者16PF-A因素(乐群性)和16PF-L因素(警惕性)在术前、术后存在显著差异(P<0.05)。结论:正颌外科手术患者有缄默、孤独、冷漠,喜欢待在自己的小圈子,不爱与人交流的倾向;同时有轻松、兴奋、随遇而安,对事件抱有无所谓的态度;存在敏感多疑,不信任别人,与人相处常常斤斤计较,不顾及别人利益的人格特征倾向;术后3个月,患者开始变得外向、热情、乐群,信赖随和,容易与人相处,但患者轻松、兴奋、随遇而安,对事件抱有无所谓的态度并无明显改变。 Objective: To measure and evaluate the personality traits and their changes before and after orthognathic surgery. Methods: Totally 36 patients undergoing orthognathic surgery from June 2008 to March 2009 were enrolled in the Orthognathic Surgery Center of Stomatology Hospital Affiliated to Sun Yat-sen University. A total of 325 subjects (161 undergraduates, foreign staff 164 (16PF) was used to measure the personality traits of the patients before and after the operation, and the changes were analyzed. The SPSS 10.0 software package was used to test the personality of the patients. Data was t-tested. Results: Before orthognathic surgery, 16PF-A, 16PF-F (active) and 16PF-L (vigilance) in patients were significantly higher than those in control group ). There were 31 patients at follow-up 3 months after operation. There were significant differences in 16PF-A and 16PF-L between two groups before and after surgery (P <0.05). Conclusion: Orthognathic surgery patients are silent, lonely, indifferent, like to stay in their own small circle, do not love to communicate with people tend to be at the same time relaxed, excited, with the event, the incident has indifferent attitude; there is sensitive and suspicious, 3 months after surgery, the patient began to become extroverted, passionate, happy, easy-going and easy to get along with others, but the patient relaxed, excited, patient-friendly, With the best of luck, there is no obvious change in the indifference toward events.