Background <p>This research aimed to assess the usefulness of existing YouTube videos on endodontic irrigation, published between January 2013 and December 2022, as a learning resource for dental undergraduate students. Additionally, the study evaluated the educational value of these videos about factors such as video duration, authorship source, and view count.</p> Methods <p>YouTube searches for videos related to endodontic irrigation were conducted using search terms such as “irrigation protocol” and “endodontic irrigation.” After screening, ninety-six videos were selected and assessed based on factors such as days since upload, video duration, number of views and likes, authorship source, and viewing rate. A set of six parameters was established to evaluate the educational value of the videos, with each element being assigned a score of 0 or 1. Statistical analyses were performed using the Kruskal-Wallis and Mann-Whitney tests, with a significant level of 5%.</p> Results <p>The videos received an average of 4,474.76 views, 38.67 likes, a 290.5% viewing rate, and a video length of 161.15&#xa0;s. The mean usefulness score was 3.89, with the most discussed elements being demonstration, description, and equipment/apparatus. The majority of videos were from healthcare professionals (<i>n</i> = 73, 76.04%) or commercial sources (<i>n</i> = 22, 22.92%). Twenty-seven videos were classified as highly useful, sixty-one as moderately useful, and eight as low usefulness. Among the content usefulness categories, the highly useful videos had the shortest length (mean = 158.93s), while the moderately useful videos had the highest viewing rate. Videos uploaded by different authorship sources showed minimal statistical significance in content usefulness.</p> Conclusions <p>The usefulness of endodontic irrigation videos on YouTube has low educational value, and the available data to assess their effectiveness as a learning tool for undergraduate students is inconclusive.</p>