Fig. 2From: Root canal morphology of anterior permanent teeth in Jordanian population using two classification systems: a cone-beam computed tomography studyAhmed classification system for root canal morphology of a mandibular incisor described with a code 1ManI1–2−1. The code consists of three components, the tooth code, number of roots added as a superscript before the tooth number, and the root canal configuration written as superscript after the tooth numberBack to article page