Over-the-counter bleaching agents can help with tooth whitening maintenance - Jorge, Olívia Santana; Arruda, Carolina Noronha Ferraz de; Torrieri, Rafaella Tonani; Vivanco, Rocio Geng; Pires-de-Souza, Fernanda de Carvalho Panzeri (Journal of Esthetic and Restorative Dentistry, 2022)