Effects of active and passive lacebacks on antero-posterior position of maxillary first molars and central incisors - Moresca, Ricardo Cesar; Vigorito, Julio Wilson; Dominguez, Gladys Cristina; Tortamano, André; Moraes, Danielle Rodrigues; Moro, Alexandre; Correr, Gisele Maria (Brazilian Dental Journal, 2012)