Fig. 1From: Mandibular incisors with two canals are associated with the presence of the distolingual root in mandibular first molars: a cone-beam computed tomographic studyMandibular central incisors with single canal and lateral incisors with two canal system in a single patient. A Axial view (coronal), B axial view (middle), C axial view (apical), D sagittal viewsBack to article page