Influence of different dye substances on the effectiveness of bleaching and H2O2 diffusion - Silva, Livia Maria Alves Valentim da; Cintra, Luciano Tavares Angelo; Gallinari, Marjorie de Oliveira; Alcântara, Sibele de; Santos, Paulo Henrique dos; Chaves-Neto, Antonio Hernandes; Briso, André Luiz Fraga (Operative Dentistry, 2022)