True about Dentigerous cyst:

Ans. (a) Arises in relation to unerupted teeth, (c) Mandibular third molar is common site, (d) Common in mandible(Ref: Robbins 9th/734; Manipal Surgery 4th/292-93; Harsh mohan 7th/511-12)*Dentigerous cyst is defined as a cyst that originates around the crown of an unerupted tooth and is thought to be the result of fluid accumulation between the developing tooth and the dental follicle.*Radiographically, these are unilocular lesions most often associated with impacted third molar (wisdom) teeth. Histologically, they are lined by a thin layer of stratified squamous epithelium. Often, there is a dense chronic inflammatory cell infiltrate in the connective tissue stroma.*Complete removal of the lesion is curative.