Incidence of two canals of mandibular incisors in Iraqi population using CBCT

Purpose to investigate the root canal morphology of mandibular incisors using cone-beam computed tomography (CBCT). Materials and methods A total of 372 patients with 1,488 healthy, well-developed mandibular incisors were enrolled. Radiographic examination by CBCT was conducted as part of their routine examination, diagnosis and treatment planning. the following observations were made using CBCT: (1) the number of roots; (2) the number of canals. Results two canals were found in 17.9 % of mandibular central incisors, 19.9 % of lateral incisors and in 18.9 % of all the 1,488 mandibular incisors.