Root Canal Morphology of Human Mandibular First Permanent Molars in an Iranian Population

Shahriar Shahi, Hamid Reza Yavari, Saeed Rahimi & Reza Torkamani
Background and aims. The knowledge of variations in root canal morphology is critical for a successful endodontic treatment. The purpose of this study was to investigate variations in the root canal system of human mandibular first permanent molars in an Iranian population. Materials and methods. In this study, 209 mandibular first molar teeth were decalcified, dye-injected, and cleared in order to determine the number and configuration of the root canals. Results. The results demonstrated that...