Correlation between mandibular incisor crown morphologic index and postretention stability - Freitas, Marcos Roberto de; Castro, Renata Cristina Faria Ribeiro de; Janson, Guilherme dos Reis Pereira; Freitas, Karina Maria Salvatore; Henriques, José Fernando Castanha (American Journal of Orthodontics and Dentofacial Orthopedics, 2006)