title: Root canal re-treatment of a mandibular second premolar with three root canals: a case report.
abstract: Accurate diagnosis of root canal morphology and anatomy is essential for thorough shaping and cleaning of the entire root canal system and consequent successful root canal treatment. Mandibular premolars show a wide variety of root canal anatomy. This paper describes a case of mandibular second premolar with three root canals that has previously received an incomplete root canal treatment.
authors: Department of Endodontics, School of Dentistry, Dental Research Center, Medical Sciences, University of Tehran, Tehran, Iran. shokouhinejad@yahoo.com
authors: Noushin
authors: N
authors: Shokouhinejad
mesh_terms: D001641:Bicuspid / Q000473:pathology*; D001729:Bismuth / Q000627:therapeutic use; D002908:Chronic Disease; D003786:Dental Pulp Cavity / Q000473:pathology*; D004338:Drug Combinations; D006171:Gutta-Percha / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008709:Methenamine / Q000627:therapeutic use; D008875:Middle Aged; D010485:Periapical Periodontitis / Q000175:diagnosis; D019233:Retreatment; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012389:Root Canal Obturation / Q000379:methods; D018915:Root Canal Preparation / Q000379:methods; D012390:Root Canal Therapy / Q000379:methods*
chemical_list: D004338:Drug Combinations; D012387:Root Canal Filling Materials; C050718:dentinol; D006171:Gutta-Percha; D008709:Methenamine; D001729:Bismuth