border of the maxillary sinus


Anatomy Monday: Y line of Ennis (maxilla) 6

Today I am starting a new series for Mondays on anatomy. I will be showing different anatomical landmarks for both intraoral and extraoral radiographs.  This first entity I am showing is a radiographic anatomical landmark; the Y line of Ennis.  This is sometimes referred to as an Inverted Y.  It […]


Anatomy on Radiographs: Occlusal Radiographs

This is the last post I have planned for anatomy and it will be on occlusal radiographs. Mandible Short and sweet here with only one anatomical landmark readily visible. The genial tubercles (yellow arrow) appear as a small radiopaque mass(es) extending off the lingual aspect of the mandible. Maxilla The nasal […]