Successful regenerative response of a severe bone defect in a right lower central incisor affected by a cemental tear.

Cone-beam computed tomography and clinical examinations including pulp vital testing and pocket probing depth showed a cemental tear with a severe labial alveolar bony defect, but no endodontic lesions, in #25, which had a sinus tract at the labial site, in a 75-year-old woman.