title: A combined endodontic-periodontal lesion of development origin: a case report.
abstract: This report describes an instance in which treatment of a maxillary lateral incisor tooth failed to resolve the presenting endodontic-periodontal lesion. The predisposing aetiological factor was a longitudinal developmental groove extending from the cingulum to the apex of the tooth.
authors.affiliation: Department of Periodontology, School of Dentistry, University of Otago, Dunedin.
authors.forename: A R
authors.initials: AR
authors.lastname: Pack
authors.forename: N P
authors.initials: NP
authors.lastname: Chandler
mesh_terms: D000328:Adult; D003788:Dental Pulp Diseases / Q000209:etiology*; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008297:Male; D010483:Periapical Diseases / Q000209:etiology*; D012390:Root Canal Therapy; D014092:Tooth Root / Q000002:abnormalities*