Root Canal Morphology of Mandibular First Permanent Molars in an Indian Population

Table 2

Canal configuration and the type of root canal in mandibular first molars.

Group (no. of roots)	Canal configuration (type)
	I	II	III	IV	V	VI	VII	VIII	2-1-2-1
Mesial root (150)	—	55	—	81	1	12	—	—	1
		36.6%		54%	0.6%	8%			0.6%
Distal root (150)	98	31	2	14	5	—	—	—	—
	65.3%	20.6%	1.3%	9.3%	3.3%
Distolingual root (8)	8	—	—	—	—	—	—	—	—
	100%

Canal configurations were categorized using Vertucci’s classification (1984) [7].