Table 1.

Characteristics of the 10 included studies.

	Oral Pathology	Search Strategy	Included Video (s)	Video Length	Qualitative Interpretation Tool
Delli et al. [38] (2016)	Sjögren’s syndrome	“Incognito”/“Worldwide” settings; the first 100 videos ranked by relevance were analyzed	70	5:27 ± 4:04 min	Global Quality Scale; DISCERN score; Overall content judgement
Di Stasio et al. [39] (2018)	Oral thrush	Default settings without any filters; the first 60 videos were examined	33	03:50 ± 04:58 min	Usefulness score
Di Stasio et al. [37] (2018)	Mouth sores	Default settings without any filters; the first 60 videos were examined	29	03:09 ± 01:48 min	Usefulness score
Fortuna et al. [33] (2019)	Burning mouth syndrome	Chrome incognito session; the first 10 pages of videos sorted by relevance were examined	114	142.00 s (median)	Quality assessment score
Hassona et al. [31] (2016)	Oral cancer	Default settings; the first 300 videos were examined	188	5.89 ± 5.9 min	Usefulness score
Kovalski et al. [30] (2019)	Oral leukoplakia	Default settings; the first 100 videos were examined	28	6 min 39 s (mean)	Global Quality Scale; Usefulness score; DISCERN score
Morais et al. [35] (2020)	Oral lichen planus	Setting not specified; 481 videos were examined	37	09:03 min (mean)	Usefulness score; Quality assessment score
Passos et al. [32] (2020)	Oral cancer	Default settings; the first 100 videos were examined	57	06:67 min (mean)	Utility score; DISCERN score
Romano et al. [36] (2021)	Oral lichen planus	Settings were: incognito Google Chrome, English UK YoutubeTM (language) and United Kingdom (country) sorting by view count, all the 215 video were examined	36	06:08 min ±338.981 s	Global Quality Scale; Quality assessment score; DISCERN score
Wassef et al. [23] (2021)	Trigeminal neuralgia	The first 120 videos, filtered by views and relevance, were examined	80	-	DISCERN score