title: A four-rooted quadrangular maxillary molar.
abstract: The endodontic treatment of a maxillary molar with an aberrant root morphology can be diagnostically and technically challenging. This case report is presented to illustrate and describe the endodontic treatment of a four-rooted maxillary molar with a quadrangular root trunk morphology.
authors.affiliation: Division of Endodontics, University of Kentucky, College of Dentistry, Lexington 40536, USA.
authors.forename: P M
authors.initials: PM
authors.lastname: Di Fiore
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008437:Maxilla; D008963:Molar / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011176:Post and Core Technique; D011859:Radiography; D012390:Root Canal Therapy / Q000379:methods; D014092:Tooth Root / Q000033:anatomy & histology* / Q000000981:diagnostic imaging