title: Home bleaching and in-office bleaching may not be equally effective clinically.
authors: Faculty of Dentistry, Department of Preventive and Social Dentistry, Federal University of Rio Grande do Sul, Rua Ramiro Barcelos 2492, 3o andar, Porto Alegre, Rio Grande do Sul, Brazil 90035-003. roger.keller@ufrgs.br
authors: Roger Keller
authors: RK
authors: Celeste