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Efficacy of Video-Assisted Instruction on Knowledge and Performance of Dental Students in Access Cavity Preparation

Mandana Naseri, Yazdan Shantiaee, Javid Rasekhi, Saeedeh Zadsirjan, Maryam Mojtahed Bidabadi, Akbar Khayat
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Abstract

Introduction: The conventional method of teaching endodontics has some drawbacks. Due to the small size of the oral cavity, students cannot closely observe the clinical procedure. Use of new teaching modalities such as the intraoral camera may obviate this problem. This study assessed the effect of video-assisted clinical instruction in dentistry (VACID) on dental student’s knowledge and performance in access cavity preparation during endodontic treatment. Methods and Materials: In this interventional study, twenty six undergraduate students were equally divided into two groups and received instructions on access cavity preparation via conventional demonstration (CD) or VACID using intraoral camera plus conventional demonstration. Students’ knowledge was assessed before and after the demonstration. The scores obtained by students were compared between the two groups. Data were analyzed using the Mann Whitney U test. Results: No significant difference was found between the two groups in knowledge and performance scores of students about pulp chamber removal, under-extension, over-extension, gouging, perforation or finding the main and extra canals. However, use of intraoral camera significantly reduced the number of student visits to instructors for problem solving (P=0.001). Conclusion: VACID is an effective educational method and as efficient as conventional demonstration in endodontics; as a result it can be used in combination with conventional teaching.

Keywords: Conventional Education; Endodontic Treatment; Knowledge; Performance; Video-assisted


Keywords

Practical endodontics, Conventional demonstration, Clinical performance



DOI: https://doi.org/10.22037/iej.v11i4.5627

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