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目的:探讨网络基于问题学习(problem-based learning，PBL)教学方法在口腔颌面肿瘤教学中的应用效果。方法:以北京大学口腔医学院2016级口腔医学专业60名本科生为研究对象，分为8个小组进行两次网络PBL教学，以口腔颌面肿瘤为教学内容。通过对学生和教师进行问卷调查和对学生进行网络考核，评价网络PBL教学方法的效果。结果:所有教师与60.0%(36/60)的学生对网络PBL教学方法持赞同态度，76.7%(46/60)的学生和62.5%(5/8)的教师认为网络PBL教学方法基本可以达到传统的线下PBL教学的同等效果。全班考核平均成绩为92.83分。结论:网络PBL教学方法应用于口腔颌面肿瘤教学取得了良好的效果，是更接近实际课堂的在线教学方法。“,”Objective:To practice and evaluate the outcome of online PBL teaching in oral and maxillofacial oncology.Methods:The study was conducted among the undergraduate students in Peking University School of Stomatology. A total of 60 undergraduate students, divided into 8 groups, participated in the online PBL courses of oral and maxillofacial oncology. The courses of oral and maxillofacial oncology were carried out with online PBL teaching model. The students and teachers were required to complete an assessment questionnaire and evaluate the outcome subjectively. Additionally, the outcome was also evaluated in an online examination objectively.Results:All the teachers and 60.0% (36 / 60) of the students agreed with the online PBL teaching method, 76.7% (46 / 60) of the students and 62.5% (5 / 8) of the teachers thought that the online PBL teaching method could achieve the same effect as the traditional offline PBL teaching method. The average score of the whole class was 92.83.Conclusions:The online PBL teaching is a reliable and effective model which is worthy of promotion.