The maxillary sinus is one of the paranasal sinuses, anatomical cavities located in the upper jaw. In certain situations the sinus size or location can lead to insufficient bone volume ,of which is available for anchoring dental implants.

Sinus floor augmentation is a surgical procedure designed to increase the volume of bone in the posterior maxilla, by bone grafting; to ensure a secure place for the implants.

This procedure has high success rates with limited complications conditioned by the surgeon expertise.