Fig. 1

An individual in the mixed dentition with primary second molars and permanent first molars affected by molar-root incisor malformation, a a clinical photograph of the normal clinical crowns of teeth 55 (black arrow) and 16 (white arrow) and b a panoramic radiograph of the same individual with affected teeth 55 (black arrow) and 16 (white arrow) highlighting the tapered, thin roots with a constricted cemento-enamel junction consistent with molar-root incisor malformation