Application of 3D Printed Models in Assisting PBL Teaching in the Teaching of Periarticular Fractures
Objective:To investigate the application value of 3D printed models combined with Problem-Based Learning(PBL)teaching in the teaching of periarticular fractures.Methods:A total of 90 intern students from the 2017 medical class were randomly divided into control group and experimental group,with 45 students in each group.The control group received traditional teaching equipment combined with PBL teaching,while the experimental group used 3D printed models of periarticular fractures combined with PBL teaching.The learning outcomes of the two groups were evaluated through theoretical and clinical practice scores,as well as self-administered questionnaires.Results:The theoretical and practical scores of the experimental group were significantly higher than those of the control group.The questionnaire results indicated that students in the experimental group had a higher interest in orthopedics,a deeper understanding of orthopedic anatomy and fracture classification,and a significantly higher level of satisfaction with the teaching.Conclusion:The combination of 3D printed periarticular fracture models with PBL teaching deepens medical students'understanding of orthopedic theory and improves their ability to analyze and solve clinical problems.
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