Computerized Tomography Technique for the Investigation of the Maxillary First Molar Mesiobuccal Root

Table 4

Root canal morphology following the Vertucci classification [29].

Authors	𝑁	Vertucci classification
		T I	T II	T III	T IV	T V	T VI	T VII	T VIII	NC
		(1)	(2-1)	(1-2-1)	(2)	(1-2)	(2-1-2)	(1-2-1-2)	(3)
Neelakantan et al. [24]	220	114	12	0	85	0	0	0	2	0
Zhang et al. [25]	299	113	22	0	109	25	0	0	0	0
Lee et al. [26]	458	129	152	0	160	11	0	0	6	0
Kim et al. [27]	814	292	164	2	326	16	1	0	0	0
Total		648	350	2	680	52	1	0	8	0
%		36.18	19.54	0.11	37.97	2.90	0.06	0.00	0.45	0.00

 𝑁: number of teeth.