Table 2 Number and frequency of root canals in mandibular second molars (N = 1200)
1 canal | 2 canals | 3 canals | 4 canals | C-shaped canal | Taurodontism canal | Total | |
|---|---|---|---|---|---|---|---|
1 root | 13 (1.08) | – | – | – | 430 (35.8) | 9 (0.75) | 452 |
2 roots | – | 161 (13.4) | 544 (45.3) | 28 (2.33) | – | – | 733 |
3 roots | – | – | 2 (0.16) | – | – | – | 2 |
4 roots | – | – | – | 3 (0.25) | – | – | 3 |