title: Zebra XXI, part 1.
authors.affiliation: Dental School, University of Chieti, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Orsini
authors.forename: M
authors.initials: M
authors.lastname: Fioroni
authors.forename: C
authors.initials: C
authors.lastname: Rubini
authors.forename: A
authors.initials: A
authors.lastname: Piattelli
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D010483:Periapical Diseases / Q000000981:diagnostic imaging*; D011859:Radiography