Color change and cytotoxic effects of a bleaching gel with 22% carbamide peroxide catalyzed by manganese oxide - Ribeiro, Rafael Antonio de Oliveira; Peruchi, Victória; Sônego, Leonardo Novaes Gaeta; Soares, Igor Paulino Mendes; Soares, Diana Gabriela; Hebling, Josimeri; Costa, Carlos Alberto de Souza (Journal of Esthetic and Restorative Dentistry, 2025)