... graft and application of a non-reabsorbable membrane Adele Scattarella1, Andrea Ballini1, Felice Roberto Grassi1, Andrea Carbonara1, Francesco Ciccolella1, Angela Dituri1, Gianna ... bone graft. Background: Acute and chronic oroantral communications (OAC, OAF) can occur as a result of inadequate treatment. In fact surgical procedures into the maxillary posterior area can ... Waikakul A, Pairuchvej V. Clinically significant oroantral communications a study of incidence and site. Int J Oral Maxillofac Surg 1994;23:19-21 2. Haas R, Watzak G, Baron M, Tepper G, Mailath...