Bleaching effect of violet LED of 405–410 nm on stained endodontically treated teeth - Teodosio, Leonardo Moreira; Gambarini, Leticia; Faria-e-Silva, André Luis; Pires-de-Souza, Fernanda de Carvalho Panzeri; Souza-Gabriel, Aline Evangelista; Mazzi-Chaves, Jardel Francisco; Sousa Neto, Manoel Damião de; Lopes-Olhê, Fabiane Carneiro (Photodiagnosis and Photodynamic Therapy, 2022)