Table 3.

Distribution of children with the most prevalent speech disorders according to morphological characteristics of occlusion

		Class I				Class II				Crossbite
		Overjet (≥4 mm )		Overbite (≥4 mm )		Overjet (≥4 mm )		Overbite (≥4 mm )
		Absent	Present	Absent	Present	Absent	Present	Absent	Present
	Total	n=65	n=32	(n=46)	(n=50)	n=2	n=41	(n=18)	(n=36)	n=19
Speech disorders	57	17 (30%)	14(25%)	14(25%)	17(30%)	2 (4%)	23 (40%)	9 (16%)	17 (30%)	6 (11%)
Distortions /s/ and /z/	29	6 (21%)	9 (31%)	5 (17%)	9 (31%)	2 (7%)	12 (41%)	3 (10%)	12 (41%)	3 (10%)
Frontal lisp /s/ and /z/	18	4 (22%)	4 (22%)	4 (22%)	4 (22%)	2 (11%)	8 (44%)	7 (39%)	3 (17%)	2 (11%)
Tongue thrust /t/;/d/; /n/; /l/	24	5 (21%)	5 (21%)	7 (29%)	3 (13%)	2 (8%)	12 (50%)	8 (33%)	6 (25%)	4 (17%)
Reduction of vertical amplitude	10	6 (60%)	1 (10%)	4 (40%)	3 (30%)	0	3 (30%)	0	3 (30%)	0
Substitutions and omissions	6	1 (17%)	1 (17%)	1 (17%)	2 (33%)	2 (33%)	2 (33%)	1 (17%)	2 (33%)	1 (17%)