Fig. 3From: Visual inspection of root patterns and radiographic estimation of its canal configurations by confirmation using sectioning method. An ex vivo study on maxillary first premolar teethSliced teeth specimens with pulp chamber and root canals highlighted with a fine tip marker showing the types of canal configuration of the maxillary first premolar; a single-rooted specimens showing different root canal configurations, b double-rooted specimens showing different canal configurations, c three-rooted specimen with type VIII canal configurationBack to article page