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YouTube™ as a source of information on extraction of third molars
Sofia Kidy1, David M McGoldrick2, Peter Stockton2
1Department of Oral and Maxillofacial Surgery, University Hospitals Coventry and Warwickshire, Clifford Bridge Rd, Coventry, CV2 2DX, UK. kidy.sofia@gmail.com.
Introduction And Aim:
Healthcare information is becoming more readily available and searched for online, particularly on websites such as YouTube™. The accuracy and content of these websites is often questionable. We aimed to evaluate the quality of information available on surgical extraction of wisdom teeth on YouTube™.
Materials And Methods:
We searched for the terms 'wisdom teeth', 'third molar', and 'wisdom tooth extraction' on YouTube™. The first 3 pages of results for each search term were assessed for inclusion and were independently rated by two assessors. Three separate scales to rate the quality of online information were used-DICSERN (range 0-5), HONcode (range 0-8) and the Global Quality Scale (GQS)(range 1-5). Cohen's kappa test was used to assess inter-rater reliability.
Results:
The searches returned 179 videos, but 114 were excluded (37 duplicates, 3 unrelated, 57 non-surgical, 13 <10k views, 4 non-English). Of the 65 videos included, the average length was 6 minutes and 34 seconds, and the average percentage positivity was 89%. The mean DISCERN score was 1.47 (SD 1.13), and the mean score for GQS was 2.15 (SD 0.6). No video met all HONcode criteria with the mean score being 2.96 (SD 0.9). There was good inter-rater reliability for the DISCERN score (kappa= 0.744) and HONcode score (kappa =0.866) but less reliability for GQS (kappa = 0.204).
Conclusion:
The standard of information on YouTube™ on surgical extraction of wisdom teeth varies, but is of poor quality overall. Patients should be advised to be cautious of such sources for information on this topic.
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