Patient indicated for endodontic treatment of tooth 45 with restorative purpose, reported pain when chewing and touching tooth 46. In the clinical examination it was observed prosthetic crown in that tooth besides gingival recession and pain to percussion and palpation. Radiographic examination revealed images consistent with a root fracture: fracture line in the furcation, a ¨J¨ image in the distal root and an enlarged image of the distal canal. The diagnosis was therefore a root fracture and the patient was referred for tooth extraction.