Author(s): Joachim Prein Wolfgang Remagen Bernd Spiessl Erwin Uehlinger Description: The rare occurrence of tumors of the facial skeleton, whether of dental origin (odontogenic) or arising from bone (osteogenic), makes it impossible for a single observer to appreciate fully the epi­ demiologic and clinical behavior of these lesions, even if he controls the case material of a large institution. The systematic cooperation of many…