Impact of Oral Health Educational Interventions on Oral Hygiene Status of Children with Hearing Loss: A Randomized Controlled Trial

Table 3

Comparison of mean gingival scores at pre- and postintervention levels in study groups.

Groups	Gingival scores
	Preintervention	Postintervention	Pre-post
			Mean difference
Group 1 (pictorial)			1.00
Group 2 (video)			0.95
Group 3 (control)			0.67
value	0.144	<0.001	—

SD: standard deviation.