floor of the nasal cavity


Anatomy Monday: Floor of the nasal cavity (maxilla) 1

The floor of the nasal cavity that is visible on radiographs is actually the junction of the floor and lateral wall or vomer.  On intraoral radiographs this will appear as a single radiopaque straight line superior to the maxillary teeth.  It is visible on any periapical radiograph (anterior and posterior).  […]


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: Extraoral Radiographs (Lateral Cephalometric Skull) 2

This week is extraoral radiographs, specifically the lateral cephalometric skull radiograph.  This will be a short and sweet post only going over basic anatomy. I am not covering most of the anatomical landmarks used in orthodontics, but if you would like a post on this, please let me know and […]


Anatomy on Radiographs: Intraoral Radiographs Part 2 7

This is part 2 (posterior) of anatomy on intraoral radiographs. Mandible The mental foramen  appears as a round to oval radiolucent area near the apex of the second premolar. The inferior alveolar nerve canal (mandibular canal) appears as radiolucent band with two thin radiopaque lines running parallel to each other […]