Root Canal Configuration of Burmese (Myanmar) Maxillary First Molar: A Micro-Computed Tomography Study

Table 1

Root canal types observed in Burmese maxillary first molar (n = 101)

		Mesiobuccal root	Distobuccal root	Palatal root
Vertucci’s canal types		No. of specimens (%)	No. of specimens (%)	No. of specimens (%)
Type I (1)		18 (17.8)	87 (86.1)	101 (100)
Type II (2-1)		18 (17.8)	6 (5.9)	0 (0.0)
Type III (1-2-1)		1 (1.0)	0 (0.0)	0 (0.0)
Type IV (2-2)		46 (45.5)	0 (0.0)	0 (0.0)
Type V (1-2)		3 (3.0)	4 (4.0)	0 (0.0)
Type VI (2-1-2)		1 (1.0)	0 (0.0)	0 (0.0)
Type VII (1-2-1-2)		2 (2.0)	0 (0.0)	0 (0.0)
Type VIII (3)		2 (2.0)	0 (0.0)	0 (0.0)
Supplemental types	(1–3)	0 (0.0)	1 (1.0)	0 (0.0)
	(3–2)	4 (4.0)	2 (2.0)	0 (0.0)
	(4–4)	1 (1.0)	0 (0.0)	0 (0.0)
	(2–3)	1 (1.0)	0 (0.0)	0 (0.0)
	(3–1)	1 (1.0)	0 (0.0)	0 (0.0)
	(3-2-4)	1 (1.0)	0 (0.0)	0 (0.0)
	(1-2-1-2)	1 (1.0)	0 (0.0)	0 (0.0)
	(1-2-4-1-2)	1 (1.0)	0 (0.0)	0 (0.0)
	(2-1-2-1-2)	0 (0.0)	1 (1.0)	0 (0.0)

1-canalled root = type I; 2-canalled root = type II, III, IV, V, VI, and VII; supplemental types (1-2-1-2), (1-2-4-1-2), and (2-1-2-1-2), 3-canalled root = type VIII, supplemental types (1–3), (3-2), (2-3), (3–1), (3-2–4), and (4-4).