How to: Oroantral Fistula Closure Using Double-Layered Flap: Greater Palatine Artery Flap and Buccal Fat Pad

by Beatriz Arana-Fernández, MD, Alfonso Santamaría-Gadea, MD, PhD, Fernando Almeida-Parra, MD, PhD, and Franklin Mariño-Sánchez, MD, PhD • October 27, 2023