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Unicystic ameloblastoma (UA) is a variant of the solid or multicystic ameloblastoma. Radiographically, though the unilocular appearance is common, it can produce multilocular lesions also. Histologically, the minimum criterion for diagnosing a lesion as UA is the demonstration of a single cystic sac lined by ameloblastomatous epithelium often only in focal areas with or without areas of intralu...