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    Are youtube videos reliable sources of information about devital bleaching?
    (2022) Erdinç, Gülbahar; Özbay, Yağız; Yılmaz Çırakoğlu, Neslihan
    Objectives: Nowadays, YouTube is widely used to find information on any subject. The aim of this study was to research the quality and content of the most relevant YouTube™ videos about devital bleaching. Materials and Methods: “Internal bleaching” was determined as the searching term after consulting with “Google Trends” application, and the search on YouTube was conducted on 25th of January 2022 without using any filters. Videos have been evaluated and scored for usefulness and Global Quality Score (GQS). For statistical analysis, Kruskal-Wallis test, Pearson test and Pearson Chi-Square were performed.Results: 100 videos were evaluated, 35% of which met the inclusion exclusion criteria. Most of the video uploaders were dental professionals (56.9%). Videos had a generally moderate usefulness score (mean±SD: 3,37 ± 2,09). According to the ownership, there was no difference between the median overall usefulness scores (p=0.611). There is a statistically significant positive correlation between video length and overall usefulness score (p<0.001). Similarly, there is a statistically significant positive correlation between the number of likes and the overall usefulness score (p=0.002). The median viewing rate value of 'moderate' videos was significantly lower than 'poor' and 'good' videos (p=0.048).Conclusions: Devital bleaching-related information on YouTube™ could not be considered entirely dependable. Patients should be selective to obtain information from reliable sources.