title: Maxillary first molar with 7 root canals diagnosed using cone-beam computed tomography.
abstract: Root canal anatomy is complex, and the recognition of anatomic variations could be a challenge for clinicians. This case report describes the importance of cone beam computed tomographyic (CBCT) imaging during endodontic treatment. A 23 year old woman was referred by her general dental practitioner with the chief complaint of spontaneous pain in her right posterior maxilla. From the clinical and radiographic findings, a diagnosis of symptomatic irreversible pulpitis was made and endodontic treatment was suggested to the patient. The patient underwent CBCT examination, and CBCT scan slices revealed seven canals: three mesiobuccal (MB1, MB2, and MB3), two distobuccal (DB1 and DB2), and two palatal (P1 and P2). Canals were successfully treated with reciprocating files and filled using single-cone filling technique. Precise knowledge of root canal morphology and its variation is important during root canal treatment. CBCT examination is an excellent tool for identifying and managing these complex root canal systems.
authors.affiliation: Department of Health, School of Dentistry, Feira de Santana State University, Bahia, Brazil.
authors.forename: Evaldo
authors.initials: E
authors.lastname: Rodrigues
authors.affiliation: Department of Dentistry, School of Dentistry, Faculdades Unidas do Norte de Minas (FUNORTE), Bahia, Brazil.
authors.forename: Antônio Henrique
authors.initials: AH
authors.lastname: Braitt
authors.affiliation: Department of Dentistry, School of Dentistry, Faculdades Unidas do Norte de Minas (FUNORTE), Bahia, Brazil.
authors.forename: Bruno Ferraz
authors.initials: BF
authors.lastname: Galvão
authors.affiliation: Department of Endodontics, School of Dentistry, Rio de Janeiro State University and Grande Rio University, Rio de Janeiro, RJ, Brazil.
authors.forename: Emmanuel João Nogueira Leal
authors.initials: EJ
authors.lastname: da Silva
keywords: Anatomy; Cone-beam computed tomography; Maxillary molars