Table 1 Root anatomy and root canal morphology of maxillary teeth based on Vertucci’s classification
Maxillary teeth | Number of roots | Root Type | Vertucci’s classification | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Type I | Type II | Type III | Type IV | Type V | Type VI | Type VII | Type VIII | |||
Central Incisor (n = 347) | 1 | – | 347 (100.0%) | – | – | – | – | – | – | – |
Lateral Incisor (n = 362) | 1 | – | 362 (100.0%) | – | – | – | – | – | – | – |
Canine (n = 404) | 1 | – | 404 (100.0%) | – | – | – | – | – | – | – |
First Premolar (n = 304) | 1 (n = 206) | – | 35 (17.0%) | 49 (23.8%) | 32 (15.5%) | 46 (22.3%) | 11 (5.3%) | 28 (13.6%) | 5 (2.4%) | – |
2 (n = 97) | Buccal | 97 (100.0%) | – | – | – | – | – | – | – | |
Palatal | 97 (100.0%) | – | – | – | – | – | – | – | ||
3 (n = 1) | Mesial | 1 (100.0%) | – | – | – | – | – | – | – | |
Distal | 1 (100.0%) | – | – | – | – | – | – | – | ||
Palatal | 1 (100.0%) | – | – | – | – | – | – | – | ||
Second Premolar (n = 333) | 1 (n = 306) | – | 178 (58.2%) | 60 (19.6%) | 31 (10.1%) | 6 (2.0%) | 20 (6.5%) | 10 (3.3%) | 1 (0.3%) | – |
2 (n = 27) | Buccal | 26 (96.3%) | – | – | – | 1 (3.7%) | – | – | – | |
Palatal | 26 (96.3%) | – | – | – | – | – | – | – | ||
First Molar (n = 344) | 2 (n = 1) | Buccal | 1 (100.0%) | – | – | – | – | – | – | – |
Palatal | 1 (100.0%) | – | – | – | – | – | – | – | ||
3 (n = 343) | Mesiobuccal | 219 (63.8%) | 15 (4.4%) | 5 (1.5%) | 99 (28.9%) | 5 (1.5%) | – | – | – | |
Distobuccal | 343 (100.0%) | – | – | – | – | – | – | – | ||
Palatal | 340 (99.1%) | 3 (0.9%) | – | – | – | – | – | – | ||
Second Molar (n = 354) | 1 (n = 10) | – | 4 (40.0%) | 2 (20.0%) | – | – | – | – | – | 4 (40.0%) |
2 (n = 32) | Buccal | 25 (78.1%) | 4 (12.5%) | – | 3 (9.4%) | – | – | – | – | |
Palatal | 30 (93.8%) | 2 (6.2%) | – | – | – | – | – | – | ||
3 (n = 312) | Mesiobuccal | 282 (90.4%) | 6 (1.9%) | – | 24 (7.7%) | – | – | – | – | |
Distobuccal | 312 (100.0%) | – | – | – | – | – | – | – | ||
Palatal | 312 (100.0%) | – | – | – | – | – | – | – | ||