Objectives: The present study was conducted to test the efficacy of the co-teaching method in improving the performance of dental undergraduate students. The study holds an objective to devise a teaching method that improves the engagement and understanding of the students, overall enhancing the learning experience. Materials and Methods: A 45-minute lecture on ‘Biology of tooth movement’ was delivered by a single instructor to the students with odd roll numbers and by ‘Co-teaching method’ to the students with even roll numbers. To objectively assess the retention and performance of the students, a post-lecture test comprising 15 multiple-choice questions related to the topic was distributed to all the students. To subjectively gauge the satisfaction levels of the students, they were also instructed to fill out a feedback form. Results: The final study population for which the data were analysed comprised 82 students (13 males and 69 females). A significantly (P < 0.05) greater number of students in the control group belonged to the ‘Second Class’ and ‘Fail’ categories. On the contrary, the number of students in the ‘Distinction’ and ‘First Class’ categories of marks was significantly higher (P < 0.05) for the test group as compared to the control group. The odds ratio of qualifying was 2.255 times, and the scoring distinction was 19.92 for the students taught by the co-teaching method as compared to those taught by a single instructor. Conclusion: The present study found the co-teaching method to be highly efficacious in improving the understanding, retention, recall and performance of the students.
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