Which midline maxillary structure can appear as a canal on imaging?

• A. Mandibular canal
• B. Incisive canal
• C. Hyoid bone
• D. Cervical spine

Answer: (B)

The structure that sits in the midline of the maxilla and can show up as a canal on imaging is the incisive canal. This canal runs from the nasal floor to the incisive foramen in the anterior maxilla and contains the nasopalatine nerve and vessels. On radiographs or CBCT, it often appears as a narrow radiolucent channel with a surrounding bony outline, which is why it’s described as a canal in imaging.

This makes it the best answer because it is a true midline maxillary structure that presents in imaging as a canal. The others aren’t located in that region or aren’t canals: the mandibular canal is in the lower jaw, far from the maxillary midline; the hyoid bone and the cervical spine are not part of the maxillary midline and do not present as a canal within the maxilla on typical dental imaging.