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Canal configuration per root of maxillary permanent first molar
| Mesiobuccal root | Distobuccal root | Palatal root | |
|---|---|---|---|
| Single canal configuration | |||
| Type I | 104 (19.9%) | 512 (98%) | 516 (98.8%) |
| Two canals configuration | |||
| Type II | 308 (59%) | 10 (2%) | 6 (1.2%) |
| Type III | 30 (5.7%) | – | – |
| Type IV | 80 (15.3%) | – | – |
