The Appearance of The Infraorbital Canal and Infraorbital Ethmoid (Haller’s) Cells on Panoramic Radiography of Edentulous Patients

Figure 1

The cropped panoramic radiographic images show the types of infraorbital canals: (a) Type I, corticated both orbit and antrum parts corticated, (b) Type II, both orbit and antrum parts without cortication, and (c) Type III, orbital part without cortication, antrum part corticated.

(a)

(b)

(c)