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Table 3  C-shaped root canal system in mandibular premolars according to Fan et al. classifications, and gender

From: Cone‐beam computed tomography evaluation of C-shaped root and canal morphology of mandibular premolars

C-shaped mandibular premolars

Male (%)

Female (%)

C1

6 (4.54%)

1 (0.75%)

C2

5 (3.78%)

9 (6.81%)

C3

30 (22.72%)

40 (30.03%)

C4a

15 (11.36%)

13 (9.84%)

C4b

1 (0.75%)

3 (2.27%)

Out of classification

6 (4.54%)

3 (2.27%)

Total (%)

63 (47.72%)

69 (52.27%)