This last canal is one that is always fun to see and a great quiz question for students (at least for me but then again I am a radiology nerd :D). The posterior superior alveolar canal is most commonly seen on posterior maxillary periapical radiographs. It presents as a thin […]
The nasolacrimal duct is most commonly seen on occlusal radiographs specifically the anterior maxillary occlusal radiograph and standard maxillary occlusal radiograph. It presents as an ovoid radiolucent area with a thin radiopaque border at the lateral edge of the nasal cavity in the region of the molars. If you have […]
It’s time for the next canal: the nasopalatine canal. This canal may also be referred to as the incisive canal. It is seen on both intraoral radiographs and extraoral radiographs. The nasopalatine canal presents as a vertical radiolucent band between the roots of the maxillary central incisors superiorly to the […]
