Dentigerous (follicular) cyst

Dentigerous (follicular) cyst

Characteristics
  • It is the second most common type of cyst in the jaws.
  • It arises in the follicular region of unerupted permanent tooth.
  • It develops after fluid accumulates between the remnants of enamel organ and the tooth crown.
  • Most common sites: mandibular third molar, maxillary canine, maxillary third molar.
  • Usually adolescents, 20-40 years old.st The lesion is usually asymptomatic.
  • Unilocular radiolucency, well-defined, often corticated, associated with the crown of an unerupted and displaced tooth.
  • Large cysts tend to expand the outer bone plate (usually on the buccal side).
  • Eruption cyst is a term to describe a dentigerous cyst in children when it is situated in the soft tissues overlying the unerupted tooth.
  • Ameloblastic changes may occur in the epithelial cyst lining.

Cases

Dentigerous cyst associated with the left upper third molar.

Dentigerous cysts associated with an upper canine.

Dentigerous cysts associated with lower third molar.

Dentigerous cysts associated with a lower canine.

Dentigerous cyst associated with the right upper canine.

Dentigerous cyst associated with the upper third molar.

A dentigerous cyst associated with the left lower third molar.