Abstract
Statement of problem
Denture cleaning is indispensable to the maintenance of good oral and systemic health
for denture users. Nowadays people often consult YouTube about health-related topics,
including denture care. However, the quality of the information about denture care
presented on YouTube is unknown.
Purpose
The purpose of this study was to evaluate the usefulness and quality of popular videos
about denture care shared by different uploaders on YouTube and to evaluate the demographic
characteristics of the videos.
Material and methods
Google Trends showed that “denture cleaning” was the most searched keyword on the
topic. This keyword was used to search YouTube videos. Of the 200 most-watched videos,
109 videos were selected for analysis. Included videos were analyzed for their demographic
data, including number of views; number of likes, dislikes, and comments; days since
upload; duration and number of subscribers; an 8-point usefulness score system, a
global quality scale (GQS); video sources; target groups; and primary purposes of
the videos. Statistical analyses were conducted by using the Kruskal-Wallis test,
post hoc Mann-Whitney U test, Pearson chi-squared test, and Spearman correlation analysis,
which was used to investigate the relationship among total content score, GQS score,
and video demographics. Cohen kappa statistics was used to measure the reliability
of the investigator’s evaluations of the videos (α=.05).
Results
Based on the usefulness score, 59.6% of the videos were classified as poor, 32.1%
as moderate, and 8.2% as good. No statistically significant differences were found
among usefulness scores according to the video demographics, except lower GQS score
of poor content videos (P<.001). The overall mean ±standard deviation GQS score was 1.92 ±1.0 out of 5. Videos
were primarily uploaded (38.5%) from commercial companies. No statistically significant
difference was found between video sources and usefulness scores (P>.05). The number of videos with poor content was significantly higher than the number
with moderate and good content among the videos primarily intended for the education
of health professionals (P<.001).
Conclusions
The majority (59.6%) of YouTube videos on denture care received poor content quality
ratings, independent of video demographics. Therefore, YouTube is not suitable as
the only source of information on denture care. Dentists and prosthodontists should
take more responsibility for enriching the content of video-sharing platforms because
this content can affect the behavior of patients and their attitudes about denture
care.
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Article info
Publication history
Published online: August 03, 2021
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2021 by the Editorial Council for the Journal of Prosthetic Dentistry.
