Author/Authors :
Vahedi, Mohammad Department of Oral Medicine - Faculty of Dentistry - Hamadan University of Medical Sciences , Bakianian Vaziri, Pejman Department of Oral Medicine - Faculty of Dentistry - Hamadan University of Medical Sciences , Abdolsamadi, Hamid Reza Department of Oral Medicine - Faculty of Dentistry - Hamadan University of Medical Sciences , Abdollahzadeh, Shermin Department of Oral Medicine - Faculty of Dentistry - Hamadan University of Medical Sciences , Kasraee, Shahin Department of Operative Dentistry - Faculty of Dentistry - Hamadan University of Medical Sciences , Esmaeili, Farzad Department of Oral and Maxillofacial Radiology - Faculty of Dentistry - Tabriz University of Medical Sciences , Nazari, Shahrzad Department of Endodontics - Faculty of Dentistry - Hamadan University of Medical Sciences
Abstract :
Background and aims. A perfect endodontic treatment necessitates proper understanding of the
morphology of canal and pulpal variations. This in vitro study was conducted to demonstrate the internal
anatomy of mandibular canine teeth in an Iranian population.
Materials and methods. The samples consisted of 100 extracted mandibular permanent canines. The
roots of the teeth were molded in acrylic boxes. The crowns of the teeth were cut and 2 mm cross sections
were made from CEJ to the apex. Sections were examined using stereomicroscope to reveal the number
and location of root canals.
Results. From 100 evaluated teeth, 12 (12%) had 2 canals from which 5 had type II canal configuration
and 7 (7%) had type III. 88% of the specimens had one canal and none were seen to be of type IV.
Conclusion. The findings of this study emphasize the importance of dentist’s knowledge of variations
in root canal morphology, since leaving a canal untreated is one of the main reasons of endodontic failures.
When treating mandibular canines, the existence of a second canal should be taken into consideration.
