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Table 1 Number of roots, root canals and c-shaped anatomical variation in mandibular second molars and gender

From: Root canal morphology and variations in mandibular second molars: an in vivo cone-beam computed tomography analysis

Roots number

Total (%)

Gender

  

Males (%)

Females (%)

T o t a l

190 (100,0)

81 (42,6)

109 (57,4)

One

23 (12,1)

12 (52,2)

11 (47,8)

Two

162 (85,3)

64 (39,5)

98 (60,5)

Three (Radix)

5 (2,6)

5 (100,0)

0

Root canals number

Gender

  

One

3 (1,6)

0

3 (100,0)

Two

23 (12,1)

13 (56,5)

10 (43,5)

Three

159 (83,7)

64 (40,2)

95 (59,8)

Four

5 (2,6)

4 (80,0)

1 (20,0)

C-shaped anatomical variation

Gender

  

Total

37 (19.5)

19 (51.4)

18 (48.6)