Background <p>Applying a rubber dam (RD) is fundamental in both endodontic and restorative procedures to ensure a sterile working area, achieve optimal moisture control, and minimize microbial contamination. While platforms like YouTube and Instagram have become go-to resources for dental education, the actual quality of their content needs closer inspection. Therefore, this study sets out to assess how accurate and reliable the information on RD application techniques is across YouTube videos and Instagram Reels.</p> Methods <p>Systematic searches for rubber dam application content were conducted on both platforms on January 18, 2026. After filtering, 39 relevant videos from each source were included. Three independent endodontists evaluated these videos using the Global Quality Scale (GQS), JAMA benchmarking criteria, and the modified Patient Educational Materials Evaluation Tool (mPEMAT). For statistical evaluation, Fleiss Kappa was used to check inter-rater reliability, Mann-Whitney U test was used to compare platforms, and Spearman correlation analysis (<i>p</i> &lt; 0.05) was used.</p> Results <p>A strong consensus was observed among the observers; inter-rater reliability across all measures fell within the “good” to “excellent” categories (<i>p</i> &lt; 0.001). YouTube significantly outperformed Instagram Reels, scoring higher on the GQS, JAMA, and mPEMAT scales (<i>p</i> &lt; 0.001 for all). Content uploaded by dentists received the highest scores, regardless of the platform. Longer videos tended to have higher GQS and mPEMAT scores on both platforms.</p> Conclusion <p>In this limited cross-sectional study, YouTube videos exhibited higher instructional quality and reliability scores compared to Instagram Reels. Rather than establishing an absolute superiority of one platform over the other, it appears that YouTube currently provides a more comprehensive learning resource.</p>

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Navigating digital resources in dental education: a cross-sectional comparison of the educational quality of rubber dam videos on Youtube and Instagram

  • Eray Ceylanoglu,
  • Dilek Hancerliogullari,
  • Bengisu Yuksel

摘要

Background

Applying a rubber dam (RD) is fundamental in both endodontic and restorative procedures to ensure a sterile working area, achieve optimal moisture control, and minimize microbial contamination. While platforms like YouTube and Instagram have become go-to resources for dental education, the actual quality of their content needs closer inspection. Therefore, this study sets out to assess how accurate and reliable the information on RD application techniques is across YouTube videos and Instagram Reels.

Methods

Systematic searches for rubber dam application content were conducted on both platforms on January 18, 2026. After filtering, 39 relevant videos from each source were included. Three independent endodontists evaluated these videos using the Global Quality Scale (GQS), JAMA benchmarking criteria, and the modified Patient Educational Materials Evaluation Tool (mPEMAT). For statistical evaluation, Fleiss Kappa was used to check inter-rater reliability, Mann-Whitney U test was used to compare platforms, and Spearman correlation analysis (p < 0.05) was used.

Results

A strong consensus was observed among the observers; inter-rater reliability across all measures fell within the “good” to “excellent” categories (p < 0.001). YouTube significantly outperformed Instagram Reels, scoring higher on the GQS, JAMA, and mPEMAT scales (p < 0.001 for all). Content uploaded by dentists received the highest scores, regardless of the platform. Longer videos tended to have higher GQS and mPEMAT scores on both platforms.

Conclusion

In this limited cross-sectional study, YouTube videos exhibited higher instructional quality and reliability scores compared to Instagram Reels. Rather than establishing an absolute superiority of one platform over the other, it appears that YouTube currently provides a more comprehensive learning resource.