Bony Press-Fit Closure of Oro-Antral Fistulas: A Technique for Pre-Sinus Lift Repair and Secondary Closure

The use of monocortical bone grafts harvested at intra-oral donor sites is a safe and easy technique for repairing defects of the maxilla, especially OAFs in need of secondary closure. It provides a sound basis for subsequent conventional sinus lifting and preserves the teeth adjacent to OAFs.