Quiz

Based on the CBCT images, what is the most likely diagnosis?

The dentist consulted with an oral and maxillofacial radiologist who evaluated the images and provided the dentist with an interpretation report. Below is a section of the report:

There is a hypodense lesion (radiolucent), 7.5 mm x 5.7 mm, oval, well-defined, and well-corticated, located between teeth #28 and #29 (previous root canal therapy). There is no evidence of teeth displacement. There is no evidence of root resorption. There is no evidence of apical lesions at teeth #28 or #29. (The vitality of both is intact.) No calcifications are observed inside the lesion.

Based on the report, what is the most likely differential diagnosis suggested by the radiologist?

The dentist referred the patient to an oral surgeon for an excisional biopsy. The histopathology report confirmed the diagnosis of lateral periodontal cyst proposed by the radiologist.

When is a lateral periodontal cyst more common?

A lateral periodontal cyst is a common odontogenic cyst.

Where are the majority of lateral periodontal cysts located?