Influence of manganese oxide on the esthetic efficacy and toxicity caused by conventional in-office tooth bleaching therapy - Ribeiro, Rafael Antonio de Oliveira; Duque, Carla Caroline de Oliveira; Ortecho-Zuta, Uxua; Leite, Maria Luísa de Alencar e Silva; Hebling, Josimeri; Soares, Diana Gabriela; Costa, Carlos Alberto de Souza (Operative Dentistry, 2022)