Evaluation of Palatal Furcation Groove and Root Canal Anatomy of Maxillary First Premolar: A CBCT and Micro-CT Study

Table 1

Distribution of root types of maxillary first premolars according to sex and position (%).

	Patients ()	Teeth ()	1 root	2 roots	3 roots
Sex
Male	212	424	260 (61.32)^a	162 (38.21)^a	2 (0.47)
Female	228	456	358 (78.51)^b	96 (21.05)^b	2 (0.47)
Position
Left lateral teeth	440	440	306 (69.54)^NS	132 (30.00)^NS	2 (0.46)
Right lateral teeth	440	440	312 (70.90)^NS	126 (28.64)^NS	2 (0.46)
Total	880	880	618 (70.22)	258 (29.32)	4 (0.46)

^a,bThe comparison of roots between male and female patients with ; ^NSthe comparison of roots between the left and right teeth with no statistical difference.