Ameloblastoma develops from the epithelium that is related to the formation of teeth: reduced enamel epithelium and the epithelial capsule of odontogenic cysts, especially the dentigerous cyst, disorders of developing enamel organs and basal cells of the superficial epithelium of the jaws; however, its origin is not yet clear since the factors that initiate the change in these epithelial cells are unknown. (2,4,5,9) Several authors have published cases of ameloblastomas developed from the coating epithelium or its epithelial remnants (4). Although the appearance of an ameloblastoma from a dentigerous cyst is not mandatory, it is important to know this risk factor for the formation of this pathology and the characteristics that identify it as such, in order to apply the most appropriate treatment for the disease. patient, at the precise moment.