Dentigerous cyst

Clinical presentation

25 year old gentleman with painless upper lip swelling

CT

 

Findings

Unilocular cystic expansile thin walled bony lesion arising from the alveolar process of maxilla. It is seen in close relation to the central incisors with an unerupted / supernumerary tooth lying within the cyst.

Discussion

Unerupted teeth are associated cyst formations that are typically seen in relation to the third molars, but can also be seen in other sites. The supernumerary teeth associated with is responsible for this benign cyst formation. Dentigerous or odontogenic cysts are the most common cystic lesions of the maxilla.

Read more

  1. Radiopaedia – dentigerous cyst
  2. Han, Moon Hee, et al. “Cystic expansile masses of the maxilla: differential diagnosis with CT and MR.” American journal of neuroradiology 16.2 (1995): 333-338.
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