Dentigerous cyst

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Painless left jaw swelling

Patient Data

Age: 25 years
Gender: Male
x-ray

Large unilocular well-defined pericoronal radiolucency is seen at the left side of mandible which have a thin regular sclerotic margin and expand the overlying cortex without cortical breach.  The lesion also contain an unerrupted permanent tooth. 

Case Discussion

The findings are compatible with a dentigerous cyst, a slow-growing benign and non-inflammatory odontogenic cyst thought to be developmental.

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