title: A fish-tail shaped lower premolar.
authors.affiliation: Department of Orthodontics, Charles Clifford Dental Hospital, Sheffield.
authors.forename: M A
authors.initials: MA
authors.lastname: Coupland
mesh_terms: D000293:Adolescent; D001641:Bicuspid / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography