Table 6 Canal configuration in middle mesial and middle distal canals.
Canal | Independent anatomy | Fin anatomy | Confluent with isthmus | Confluent without isthmus | Double | Total |
|---|---|---|---|---|---|---|
Middle mesial | ||||||
 n | 0 | 7 | 20 | 17 | 5 | 49 |
 % | 0.0% | 14.3% | 40.8% | 34.7% | 10.2% | 100% |
Middle distal | ||||||
 n | 0 | 2 | 6 | 6 | 1 | 15 |
 % | 0.0% | 13.3% | 40.0% | 40.0% | 6.7% | 100% |
