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Disease / syndrome / tumor / condition
Region of interest
max ant, quad 4
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1. Rarefying osteitis on tooth 34
Tooth 34 exhibits periapical rarefying osteitis.
2. Radicular cyst with embedded root canal sealer
The appearance of the radiolucent entity apical to tooth 46 is very unusual because the periphery exhibits a thick radiopaque border inferiorly and buccally. Cortication is visible around this 1.5 mm thick radiopaque region, which suggests that the thickened region does not represent a true periphery, but the remnants of material that has been introduced into the cyst, such as root canal sealer. With the exception of this one radiographic finding, and the remainder of the entity has features that are representative of a radicular cyst, such as unilocular round shape, and the periapical location of an endodontically involved tooth.
3. Axial slices of radicular cyst
These axial cross sectional images demonstrate the round cyst at the apex of tooth 46, as well as the radiopaque filling material that has settled on the buccal and inferior services of the cyst.
4. Bone defect suggestive of prior surgery in left palate
An irregularly shaped bone defect is present at the palatal aspect of the alveolar process at sites 22 and 23. This defect is continuous with the palatal soft tissue. Overall the appearance is consistent with a history of surgical cyst removal and a healed pattern that will never fully ossify.
Axial slices of anterior second quadrant
These axial cross sectional images demonstrate the granular sclerotic bone that is suggestive of a healed postsurgical bone pattern. Note the continuity of the palatal attached gingiva with the defect in the left maxillary alveolar process .
5. Mild maxillary sinus mucositis
Mild mucositis is present on the floor of the left maxillary sinus. This is an incidental finding.
6. Lingual tori
Multiple lingual tori are present in the mandibular alveolar process. These tori are composed exclusively of cortical bone.
7. Root fracture on tooth 32
Tooth 32 exhibits a vertical root fracture, and rarefying osteitis present adjacent to the fracture plane.
8. Enlarged follicle on tooth 48
The follicle on the horizontally impacted tooth 48 is slightly enlarged, and is continuous with the crest of the alveolar process. The root of tooth 48 extends into the submandibular space.