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 3

Canal shape (curvature) of mandibular first premolars.

Canal Shape	Women	Men	Total
	count (%)	count (%)
Straight	55 (82.1)	38 (73.1)	93 (78.2)
Lingual curve	2 (2.9)	7 (13.5)	9 (7.6)
Buccal curve	4 (5.9)	5 (9.6)	9 (7.6)
Distal curve	3 (4.5)	1 (1.9)	4 (3.4)
Distolingual curve	2 (2.9)	1 (1.9)	3 (2.5)
Mesiobuccal curve	1 (1.5)	0 (0)	1 (0.8)
Total	67	52	119