Effectiveness of over-the-counter tooth-whitening strips and toothbrushing for stain removal - Silami, Francisca Daniele Jardilino; Simionato, Anselmo Agostinho; Tonani-Torrieri, Rafaella; Alandia-Roman, Carla Cecília; Pires-de-Souza, Fernanda de Carvalho Panzeri (Revista da Faculdade de Odontologia - (RFO - UPF), 2019)