Surgical management of velopharyngeal insufficiency after primary palatoplasty and after orthognathic surgery: a comparative study - Medeiros, Maria Natália Leite de; Fukushiro, Ana Paula; Ferlin, Flávia; Yamashita, Renata Paciello (Simpósio Internacional de Fissuras Orofaciais e Anomalias Relacionadas, 2013)