The morphology of permanent maxillary first molars evaluated by cone-beam computed tomography among a Yemeni population

Table 1 Number and type of roots among males and females

Number of roots	Male		Female		Total
Number of roots	n	%	n	%	n	%
2S	0	0.0	1	0.5	1	0.3
3S	156	96.3	198	93.8	354	94.9
2F1S
Type 1 (Fusion of MBR & DBR)	0	0.0	3	1.4	3	0.8
Type 3 (Fusion of PR & DBR)	5	3.1	9	4.3	14	3.8
3F
Type 5 (Fusion of PR with both MBR & DBR)	1	0.6	0	0.0	1	0.3
X²	P = 0.26

2S, two separate roots; 3S, three separate roots; 2F1S, two fused roots and one separate root; 3F, three fused roots

ISSN: 1472-6831