ANATOMY: This structure can be seen superiorly to the apices of the maxillary premolars/molars and will appear radiolucent. This can easily be seen on a panorex and can sometimes be seen on posterior, maxillary periapical images.

A. Orbit
B. Maxillary Tuberosity
C. Mandibular Canal
D. Maxillary Sinus



Answer :

Final answer:

The maxillary sinus is a radiolucent structure superior to the apices of maxillary teeth, visible on imaging. It is part of the maxilla bone in the upper jaw.


Explanation:

Maxillary Sinus is the structure that can be seen superiorly to the apices of the maxillary premolars/molars, appearing radiolucent on imaging such as a panorex. It is a key feature of the maxilla, a bone forming the upper jaw, part of the hard palate, and the orbit floor.


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