Table 2. Distribution of samples based on the number of canals, level of bifurcations of the canal, and canal configurations.
| Central incisor (N = 200) | Lateral incisor (N = 200) | |
| 1. No. of canals | Percentage (%) | Percentage (%) |
| 1 | 63.5 | 60.5 |
| 2 | 39 | 39.5 |
| 3 | 0.5 | 0 |
| 2. Level of bifurcation | Percentage (%) | Percentage (%) |
| No bifurcations | 63.5 | 60.5 |
| Apical | 0.5 | 0 |
| Middle | 24.5 | 26.5 |
| Coronal | 11.5 | 13 |
| 3. Vertucci and Ahmed Classification, central incisor (CI), lateral incisor (LI) | Percentage (%) | Percentage (%) |
| Type 1 or 1CI1/1LI1 | 63.5 | 60.5 |
| Type 2 or 1CI2-1/1LI2-1 | 1 | 1 |
| Type 3 or 1CI1-2-1/1LI1-2-1 | 33 | 36 |
| Type 5 or 1CI1-2/1LI1-2 | 2 | 2 |
| Type7 or 1CI1-2-1/1LI1-2-1-2 | - | 0.5 |
| 1CI1-3-1 | 0.5 | - |