From: Three-dimensional analysis of incisive canals in human dentulous and edentulous maxillary bones
 | Classification of the IC from the overall appearance | ||
---|---|---|---|
 | Y-morphology | Cylindrical | |
Dentulous | n | 12 | 7 |
% | 60 | 35 | |
Edentulous | n | 11 | 5 |
% | 55 | 25 | |
Dentulous + edentulous | n | 23 | 12 |
% | 58 | 30 |