Use Case A to answer The Following questions
CASE A
This 54-year-old female is undergoing orthodontic therapy in response to temporomandibular disorder (TMD). The maxillary orthodontic appliances were placed 18 months ago after an examination revealed various issues with malocclusion that were contributing to her chief complaint of temporomandibular joint (TMJ) pain and "sore jaws." (See Figure 6-31.)
-What is the most likely interpretation of the radiolucency near the apex of the maxillary left canine, as identified by the arrow?

Question

Quizplus · Accepted Answer

The maxillary sinus appears as a large radiolucency apical to the maxillary posterior teeth beginning in the canine region and extending posteriorly throughout the maxilla. The dense sinus wall can be observed as a thin radiopaque line outlining the anterior extent of the sinus cavity on a periapical radiograph of the maxillary canine region.

Use Case a to Answer the Following Questions