Table 3. Global prevalence of malocclusion in permanent and mixed dentitions.

Dimension	Malocclusion form	Permanent dentition				Mixed dentition
		Min	Max	Mean	SD	Min	Max	Mean	SD
Antero-posterior	Class I	31	96.6	74.7	15.17	40	96.2	72.74	16
	Class II	1.6	63	19.56	13.76	1.7	58	23.11	14.94
	Class III	1	19.9	5.93	4.69	0.7	12.6	3.98	2.75
	Increased overjet	1.6	48.4	20.14	11.13	9.4	35.7	23.01	7.56
	Reversed overjet	0	20.1	4.56	5.26	0.4	11.9	3.65	3.67
Vertical	Deep bite	2.2	56	21.98	14.13	3.5	57.1	24.34	14.54
	Open bite	0.1	15	4.93	3.97	0.29	25.1	5.29	5.9
Transverse	Posterior crossbite	4	32.2	9.39	5.04	3.72	29.1	11.72	7.22