Objective Supragingival scaling is an essential skill for dentist with high level of experience and sensitive force perception.In this study,we validated the effects of virtual reality simulator on the learning of supragingival scaling skills in preclinical training.Methods iDental was employed as the haptic device.A total of 39 participants (13 test group and 26 control group) were included in 2 groups.The 13 participants in test group completed the VR procedure followed by traditional training of supragingival scaling.And the 26 participants in control group performed the traditional training of supragingival scaling.All of the participants were scored by three clinical instructors through the traditional spuragingival scaling test.Results The analyzed results showed that the test group got higher scores than control group,especially tooth 36.Conclusions These findings suggested that the simulator training had positive effects on real supragingival scaling and iDental was helpful for the preclinical training.%目的 探讨在牙周病学前期实习训练中应用虚拟现实多感觉反馈牙周模拟操作系统对龈上洁治教学效果的影响,从而探索牙周操作教学量化和规范化的新途径.方法 北京大学口腔医学院2010级39名按正常课程进度即将进入牙周前期实习的学生,按自愿原则分为实验组和对照组.实验组13名学生先进行iDental训练,然后和对照组26名学生一起参加常规牙周前期实习室龈上洁治训练.考核时实验组学生和对照组学生均采用传统离体牙石膏模型.担任考核的3名牙周病学专业教师对学生分组情况不知情为单盲法考核.分别以学生及各考核牙位为单位对实验结果进行比较.结果 应用虚拟现实多感觉反馈牙周模拟操作系统结合传统训练模型的实验组学生的考核成绩普遍高于对照组学生的考核成绩,尤其是36牙位.结论 虚拟现实视听触多感觉反馈牙周模拟操作系统可成为牙周病诊疗技能重要的学习工具.
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