Surgery Head and neck 3a93fcb5 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 High-Yield Explanation Dentigerous cyst is a unilocular cystic swelling arising in relation to the dental epithelium from an unerupted tooth SRB,5th edition,360.