Variations in the Root Form and Root Canal Morphology of Permanent Mandibular First Molars in a Sri Lankan Population

Table 5

Level of convergence of the root canal.

Vertucci’s root canal type	Mesial root			Distal root
	Cervical 1/3	Middle 1/3	Apical 1/3	Cervical 1/3	Middle 1/3	Apical 1/3
II	0	12 (20.7%)	46 (79.3%)	0	1 (5.6%)	17 (94.4%)
III	0	3 (7.9%)	35 (92.1%)	0	2 (5.4%)	35 (94.6%)
VI	0	1 (100%)	0	0	1 (100%)	0
VII	0	1 (100%)	0	—	—	—