Maxillary incisors mesiodistal angulation changes in patients with orthodontically treated anterior superior diastemas - Morais, Juliana Fernandes de; Freitas, Marcos Roberto de; Freitas, Karina Maria Salvatore de; Janson, Guilherme; Castello Branco, Nuria Cabral; Zanda, Marcelo (Dental Press Journal of Orthodontics, 2012)