Table 2. Configuration of root canal systems of maxillary first and second molars, number, and percentage.
| Type I | Type II | Type III | Type IV | Type V | Type VI | Type VII | Type VIII | ||
|---|---|---|---|---|---|---|---|---|---|
| Abbreviations: DB, distobuccal; MB, mesiobuccal. | |||||||||
| First molar | |||||||||
| MB | 117 (35.78) | 95 (29.05) | 4 (1.23) | 95 (29.05) | 8 (2.45) | 4 (1.22) | 4 (1.22) | – | |
| DB | 325 (99.39) | 1 (0.31) | – | 1 (0.31) | – | – | – | – | |
| Palatal | 326 (99.69) | 1 (0.31) | – | – | – | – | – | – | |
| Second molar | |||||||||
| MB | 194 (66.44) | 45 (15.41) | 7 (2.4) | 38 (13.01) | 3 (1.03) | 5 (1.71) | – | – | |
| DB | 291 (99.66) | 1 (0.34) | – | – | – | – | – | – | |
| Palatal | 312 (99.68) | – | – | 1 (0.32) | – | – | – | – | |