Quality, reliability, and content completeness of Chinese-language short videos on impacted wisdom teeth on TikTok and Bilibili: a cross-sectional study

Abstract Background Short-video platforms have become major channels for disseminating public health information. This study evaluated the quality, reliability, and content completeness of videos on impacted wisdom teeth on TikTok and Bilibili. It examined whether platform type, uploader category, and user engagement metrics were associated with these outcomes. Methods A cross-sectional analysis was conducted on November 20, 2025. The top 150 videos from each platform were retrieved using the st