不同年龄错畸形患者和个别正常学生患者EPQ测量结果的比较

目的： 探讨镇江市错畸形学生患者的心理，为临床工作提供指导。方法： 根据学校综合实力的不同，采用随机分层整群抽样的方法，随机抽取镇江市9所学校不同年级38个班的1 430名学生，根据纳入和排除标准筛选出符合标准的404名个别正常学生；随机选取医院口腔正畸门诊就诊的学生正畸患者367名，并根据年龄分为少年（12～15岁）组和成人（16岁以上）组，然后在相同的环境条件和相同的指导语指导下进行艾森克个性问卷（EPQ）测量，计算测量结果。结果： 少年患者在N分量表以及P分量表上的评分高于少年个别正常学生，在E分量表上的评分低于少年个别正常学生，以上差异均有统计学意义。其中的成人学生患者在P分量表、N分量表和L分量表上的评分高于成人个别正常学生，E分量表上的评分低于成人个别正常学生，差异均有统计学意义。结论： 与个别正常学生比较，错畸形学生患者均表现为内向型人格倾向和不稳定型人格倾向，其中的成人错畸形学生患者还表现有精神质以及较高的掩饰性，临床治疗时应考虑到患者的心理因素。

Comparison of the EPQ norm with individual normal occlusion of students among different age groups

Objective: To explore the students′ psychology of malocclusion,thus to provide guidance for clinical practice.Methods: According to the comprehensive strength of school,students with individual normal occlusion were selected from 1 430 students coming from 38 classes of 9 shcools in the city of Zhenjiang with the methods of randomization and stratified cluster sampling.The students with malocclusion were chosen from department of orthodontics,according to the inclusion and exclusion criteria.The students were divided into two groups: G1(12-15 years old) and G2(above 16 years old).Then they were surveyed by using Eysenck Personality Questionnaire(EPQ) under the same condition.Results: Factors of P and N in EPQ of the students with individual normal occlusion in G1 were lower than that of domestic normal sample respectively.Factors of P and N in EPQ of the students in G2 were higher than that of domestic normal sample respectively,but the differences were not significant.Factors of E and L in EPQ of the students with individual normal occlusion were significantly higher than that of domestic normal sample respectively.Conclusion: The young patients had higher introverted personality and unstable personality than the young students of individual normal occlusion,and the adult patients had even psychoticism and telling lie,so clinical treatment should take into account the patient′s psychological factors.