All of the following are true about dental abnormalities except:

Dental Cyst Dentigerous Cyst Ameloblastoma Develops at the apices of cariestooth with necrotic pulp More common in upper Jaw X-rays shows: Circular radioluscent area in relation to root of normally erupted tooth Margins may be Sclerotic Arises from unerupted teeth MC in lower 3rd molars Cyst also contains uneruptd teeth X-rays shows: Unilocular cyst or soap bubble appearance Benign neoplasm arising from ameloblas (odontogenic epithellum) MC odontogenic tumor Most ameloblastoma occure in mandible near angle and ramus of mandible