Effectiveness of 0.50% and 0.75% chlorhexidine dentifrices in orthodontic patients: a double-blind and randomized controlled trial - Oltramari-Navarro, Paula Vanessa Pedron; Titarelli, Juliana Mára; Marsicano, Juliane Avansini; Henriques, José Fernando Castanha; Janson, Guilherme dos Reis Pereira; Lauris, José Roberto Pereira; Buzalaf, Marília Afonso Rabelo (American Journal of Orthodontics and Dentofacial Orthopedics, 2009)