title: Maxillary first premolars with three root canals: case report.
abstract: Awareness of normal and abnormal variation of the internal anatomy of the teeth is essential for clinical success. Three cases in which maxillary premolars were found to have three roots and the subsequent endodontic therapy are described.
authors.affiliation: Ministry of Public Health, Dental Centre, Safat-Sharq, Kuwait 13041.
authors.forename: E I
authors.initials: EI
authors.lastname: Zaatar
authors.forename: M A
authors.initials: MA
authors.lastname: al-Busairi
authors.forename: M J
authors.initials: MJ
authors.lastname: Behbahani
mesh_terms: D000328:Adult; D001641:Bicuspid / Q000002:abnormalities*; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D006801:Humans; D008297:Male; D008437:Maxilla; D012390:Root Canal Therapy; D014092:Tooth Root / Q000002:abnormalities*