Nonsurgical endodontic management of an unusual taurodont maxillary central incisor: an 18-month folow-up - Brito-Júnior, Manoel; Camilo, Carla Cristina; Silva, André Luís Faria e; Sousa Neto, Manoel Damião de (ENDO: Endodontic Practice Today, 2012)