Cardelli , P., E. Bigelli, V. Vertucci, F. Balestra, M. Montani, S. De Carli, and C. Arcuri. 2014. “Palatal Obturators in Patients After Maxillectomy”. Oral & Implantology 7 (3):86-92. https://www.oimplantology.org/oimp/article/view/120.