The sinuses are small air-filled holes found in the bones of the face. They reduce skull weight, produce mucus, and affect the tone quality of a person’s voice. The maxillary sinus drains into ...

It showed that a 10 x 15-mm dental implant was displaced in the right ethmoidal infundibulum of his right maxillary sinus. It was associated with a mucus retention cyst in the right maxillary sinus ...