Prediction of unerupted canines and premolars in a Syrian sample

Progress in Orthodontics

Table 1 Comparisons of the mean differences in mesiodistal crown diameters (mm) between the male and female groups

	Males		Females		t value	p value
	Mean	SD	Mean	SD
Maxillary arch
Central incisor	8.82	0.59	8.63	0.57	2.932	0.004
Lateral incisor	6.84	0.58	6.71	0.62	2.032	0.043
Canine	8.00	0.45	7.78	0.51	4.089	<0.001
First premolar	7.08	0.42	6.96	0.45	2.345	0.020
Second premolar	6.74	0.43	6.65	0.46	2.150	0.035
First molar	10.43	0.59	10.25	0.57	2.833	0.005
∑345	21.81	1.14	21.39	1.26	3.183	0.002
Mandibular arch
Central incisor	5.56	0.41	5.47	0.41	2.0.35	0.040
Lateral incisor	6.12	0.42	5.98	0.44	2.871	0.004
Canine	7.01	0.48	6.73	0.46	5.469	<0.001
First premolar	7.17	0.45	7.04	0.49	2.452	0.015
Second premolar	7.27	0.44	7.15	0.47	2.405	0.017
First molar	11.31	0.57	11.07	0.64	3.527	<0.001
∑345	21.45	1.21	20.91	1.24	3.938	<0.001