Table 6. Distribution of mandibular teeth (anterior and premolars) among both genders according to number of roots, and number of canals.
| Central | Lateral | Canine | 1st premolar | 2nd premolar | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | F | M | F | M | F | M | F | M | F | ||
| Number of roots | |||||||||||
| 1 root | 196 (100) | 214 (100) | 197 (99.5) | 213 (99.5) | 195 (99.0) | 204 (95.8) | 186 (98.9) | 209 (100.0) | 188 (100.0) | 191 (100.0) | |
| 2 roots | 0 (0.0) |
0 (0.0) |
1 (0.5) |
1 (0.5) |
2 (1.0) |
9 (4.2) |
2 (1.1) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
|
| 3 roots | 0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
|
| Number of canals | |||||||||||
| 1 canal | 132 (67.3) | 170 (79.4) | 133 (67.2) | 152 (71.0) | 184 (93.4) | 188 (88.3) | 124 (66.0) | 152 (72.7) | 178 (94.7) | 189 (99.0) | |
| 2 canals | 64 (32.7) | 44 (20.6) | 65 (32.8) | 62 (29.0) | 13 (6.6) |
25 (11.7) | 61 (32.4) | 56 (26.8) | 7 (3.7) |
1 (0.5) |
|
| 3 canals |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
3 (1.6) |
1 (0.5) |
3 (1.6) |
1 (0.5) |
|
| 4 canals |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
|
| Bold numbers refer to significant difference (P< 0.05) | |||||||||||