Dentigerous Cyst
Author :
Sindhura Anamali B.D.S., M.S..
Diplomate Of ABOMR , Clinical Assistant Professor, The University of Iowa
sindhura-anamali@uiowa.edu
Published on : 12 Sep 2018
SYNONYMS : Follicular cyst
- It is a developmental odontogenic cyst
- Second most common type of cysts in the jaws
- Arises in association with a crown of an impacted or unerupted tooth
- The most commonly involved teeth are the third molars followed by the canines May involve a supernumerary tooth as well
Often cases are detected as incidental findings on routine radiographic procedures
RADIOGRAPHIC FEATURES
- Well-defined radiolucent hydraulic entity with corticated borders around the crown of an impacted/unerupted tooth arising at the cemento-enamel junction
- Usually unilocular, but can get very large and involve the
- Mandible – up to the ramus – coronoid process region
- Maxilla – can encroach upon/displace the entire maxillary sinus up to the inferior border of the orbit
- The involved tooth is usually displaced in an apical direction
- May cause displacement and appositional resorption of the adjacent teeth
- If the cyst is infected the cortex may be interrupted
DIFFERENTIAL DIAGNOSIS
- Keratocystic odontogenic tumor
- Ameloblastic fibroma
- Unilocular ameloblastoma
- Hyperplastic dental follicle
MANAGEMENT
- Surgical removal of the cyst, at times may include extraction of the unerupted/impacted tooth as well
- Large cysts may be treated by marsupialization
Keywords :
Dentigerous Cyst
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Dentigerous Cyst
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