Control of gingival inflammation in a teenager population using ultrasonic prophylaxis - Novaes Júnior, Arthur Belém; Souza, Sérgio Luiz Scombatti de; Taba Júnior, Mário; Grisi, Márcio Fernando de Moraes; Suzigan, Luciane Cristina; Tunes, Roberta Santos (Brazilian Dental Journal, 2004)