Introduction:The application of video-based learning in dentistry has been widely investigated; however, the nature of on-screen video enhancements of the video has been minimally explored in the literature. This study investigated the effectiveness of an in-class and on-demand enhanced video to support learning on removable partial dentures in terms of knowledge acquisition, perception and clinical skill performance.Methods: Fifty-four dental students enrolled in 2018 were recruited as participants and assigned to two groups. Both groups were given the same lecture and asked to watch the same video in either the enhanced or non-enhanced version. The enhanced video was modified with the contemporaneous subtitle of the presenters' dialogue, text bullet points and summary text pages. The knowledge acquisition from the two types of video was subjected to pre-and post-tests one month after the students watched the video. A questionnaire was used to evaluate the students' perceptions of the learning experience and a performance test on practical skills was performed after six weeks. All the students responded to the test (100%). Results:The enhanced video demonstration improved the students' short-term knowledge acquisition after they watched the video, with an average score of 1.59 points higher in the enhanced group than in the non-enhanced group (p < .05). The practical performance did not differ between the two groups. The students were more likely accepted the enhanced video as a replacement of the existing teaching method rather than a teaching supplement (70.3%). Conclusion:The application of the enhanced video demonstration resulted in a better theoretical knowledge retention but not practical performance. Students also preferred watching video to using conventional learning methods.
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