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Effectiveness of case-based learning in Chinese dental education: a systematic review and meta-analysis
Haitao Dong1, Chunlan Guo2, Lian Zhou1
1Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Objective:
The application of case-based learning (CBL) pedagogy has been emerging as an improved and more practical learning method across the Chinese dental education system. This article provides a critical overview of CBL pedagogy and further assesses the effectiveness of this teaching model in Chinese dental education.
Design:
A systematic review and meta-analysis.
Methods:
Studies published up to December 2019 were searched in the following electronic databases: China National Knowledge Infrastructure, China Science Periodical Database, Chinese Biomedical documental database, Wanfang data, PubMed, EMBASE and Cochrane Central Register of Control Trials. All randomised controlled trials (RCTs) that compared the effectiveness of the CBL teaching model and the traditional lecture-based learning (LBL) model in all dental disciplines were included. The assessment of methodological quality was based on the guidelines described in the Cochrane Handbook for Systematic Reviews, and the meta-analysis was performed using the software RevMan V.5.3 RESULTS: A total of 30 RCTs were finally included, with a total sample size of 2356 dental students. The CBL pedagogy significantly increased knowledge scores (standardised mean difference (SMD)=1.58, 95% CI: 0.95 to 2.20, p<0.0001), skill scores (SMD=1.22, 95% CI: 0.34 to 2.11, p<0.0001), comprehensive ability scores (SMD=1.91, 95% CI: 1.74 to 4.07, p<0.0001) and teaching satisfaction (risk ratio=1.38; 95% CI: 1.15 to 1.65; p=0.01) compared with the LBL teaching model among the dental students. Additionally, a subgroup analysis showed significant differences in the effects of CBL on knowledge scores, skill scores and comprehensive ability scores when comparing theoretical and practical courses.
Conclusions:
The meta-analysis and systematic review of the eligible literature showed that the CBL pedagogy in Chinese dental education is an effective way to increase knowledge scores, skill scores, comprehensive ability scores and teaching satisfaction. Successful adaptation of this teaching model could solve the scarcity of highly skilled and professional dentists in dental schools and hospitals across China.
