Yearly Archives: 2012


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 […]


Case of the week: Multirooted Maxillary Central Incisor

This weeks case was a really cool find.  All the endo residents wanted to treat it as it would be an amazing boards case.  Granted the tooth is in good health and no endodontic therapy is needed.  So here is a multirooted maxillary central incisor. Note the two orange arrows […]


Radiographic Quality Evaluation: Bad Pantomographs (Part 2)

Onto criteria 3 and 4. 3. Frankfort horizontal plane is positioned on the correct anatomical landmarks creating a slight concave occlusal plane. Error: Improper patient positioning of the Frankfort horizontal plane in the unit causing distortion of the final image. Note the V-shaped occlusal plane Correction: Move chin superiorly and […]


How was that missed? (Chronic Apical Periodontitis / Rarefying Osteitis) 1

This months how was that missed is a case of chronic apical periodontitis or rarefying osteitis.  The first radiograph is 2 years prior to the second one. Initial interpretation: No initial interpretation as this radiograph was made for an implant in the maxillary canine region and nothing else was evaluated.  […]