external auditory meatus – Dr. G's Toothpix

Anatomy Monday: External Auditory Meatus

This week is the external auditory meatus. The external auditory meatus is the external opening to the auditory canal. It presents as a well-defined round to ovoid radiolucent area lateral to the condyle. If you have any questions or comments, please leave them below. Thanks and enjoy!

Anatomy on Radiographs: Pantomographs Part 2

Now onto other structures visible on a pantomograph. Midface The orbital rim (green dots) appears as a thick semi –circular radiopaque band superior to the maxillary sinuses. The pterygomaxillary fissure (blue area) appears as an inverted teardrop shaped radiolucent area with a thin radiopaque border. It is directly lateral to…