A case of conservative endodontic therapy for a mandibular second premolar with five root canals is described. A thorough knowledge of the root canal anatomy, careful interpretation of the radiographs, and access cavity modifications are essentials for enhancing intracanal procedures.
Department of Adult Dental Care, Section Endodontics, Faculty of Odontology, University of Buenos Aires, Marcelo T. De Alvear 2142 (1122), Buenos Aires, Argentina.