Dentigerous cyst

Case contributed by Dalia Ibrahim

Presentation

Left lower jaw pain.

Patient Data

Age: 10 years
Gender: Male
mri

Left mandibular dentigerous cyst is seen around an unerupted 2nd molar tooth with overlying cortical thinning. It elicits slightly high signal on T1 WI and high signal on T2WI

ct

Case Discussion

Dentigerous cysts present as a well-defined and unilocular radiolucency surrounding the crown of an unerupted or impacted tooth within the mandible. 

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