Influence of rapid palatal expansion on maxillary incisor alignment stability - Canuto, Luiz Filiphe Gonçalves; Freitas, Marcos Roberto de; Janson, Guilherme dos Reis Pereira; Freitas, Karina Maria Salvatore de; Martins, Patrícia Paschoal (American Journal of Orthodontics and Dentofacial Orthopedics, 2010)