Predicting the Mesiodistal Crown Dimensions of the Permanent First Molars from the Deciduous Second Molars

Table 2

Descriptive statistics and gender difference of the mesiodistal widths of the teeth.

Tooth	Descriptive statistics				Gender difference
	Males		Females
	Mean	S.D.	Mean	S.D.	Mean difference	t-test	value
Maxillary 6	10.536	0.423	10.056	0.521	0.480	5.059	0.000
Mandibular 6	10.640	0.433	10.578	0.383	0.062	0.758	0.450
Maxillary E	9.154	0.429	8.752	0.460	0.402	4.521	0.000
Mandibular E	9.776	0.463	9.520	0.452	0.256	2.798	0.006