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 1

Root canal morphology of mandibular first premolars based on Vertucci classification.

Canal type	Women	Men	Total
	count (%)	count (%)
I	47 (70.1)	27 (51.9)	74 (62.2)
II	1 (1.5)	0 (0.0)	1 (0.8)
II	6 (9.0)	7 (13.5)	13 (10.9)
IV	0 (0.0)	1 (1.9)	1 (0.8)
V	9 (13.4)	15 (28.8)	24 (20.2)
VI	4 (6.0)	1 (1.9)	5 (4.2)
VII	0 (0.0)	1 (1.9)	1 (0.8)
VIII	0 (0.0)	0 (0.0)	0
Total	67	52	119