Evaluation of Root Canal Morphology of Mandibular First and Second Premolars Using Cone Beam Computed Tomography in a Defined Group of Dental Patients in Iran

Table 6

Canal shape (curvature) of mandibular second premolars.

Canal Shape	Women	Men	Total
	count (%)	count (%)
Straight	39 (68.4)	31 (72.1)	70
Distal curve	8 (14.1)	3 (7.0)	11
Lingual curve	5 (8.7)	4 (9.3)	9
Buccal curve	3 (5.3)	4 (9.3)	7
Distolingual curve	2 (3.5)	0 (0)	2
Mesial curve	0 (0)	1 (2.3)	1
Total	57	43	100