Dentigerous cyst arises from: (A) The root of a caries tooth, (B) The periosteum of the fractured mandible, (C) An unerupted permanent tooth, (D) The sequenstrum of osteomyelitis of mandible
Answer is C. Dentigerous cyst is a unilocular cystic swelling arising in relation to the dental epithelium from an unerupted tooth SRB,5th edition,360.