Table 1 Vertucci canal classification
Type | Description |
|---|---|
Type I | A single canal extends from the pulp chamber to the apex |
Type II | Two separate canals leave the pulp chamber and join short of the apex to form a single canal |
Type III | One canal leaves the pulp chamber, divides into 2 within the root, and then merges to exit as a single canal |
Type IV | Two separate and distinct canals extend from the pulp chamber to the apex |
Type V | One canal leaves the pulp chamber and divides short of the apex into 2 separate and distinct canals with separate apical foramina |
Type VI | Two different canals go the pulp chamber, merge in the body of the root, and redevise short of the apex to exit as 2 distinct canals |
Type VII | One canal leaves the pulp chamber, divides and then rejoins within the body of the root, and finally re-divides into 2 distinct canals short of the apex |
Type VIII | Three separate and distinct canals extend from the pulp chamber to the apex |