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