A sinus lift is a surgery where the bone is added to your upper jaw in the area of your molars and premolars. It’s sometimes called a sinus augmentation. The bone is added between your maxillary sinuses and the jaw, which are on either side of your nose. if there’s not enough room for the bone , then the sinus membrane has to be moved upward, or “lifted”, to make room for the bone. A sinus lift is done when the sinuses are too close to the jaw, or there is not enough bone height in the upper jaw, for dental implants to be placed.
Procedure
- Your surgeon removes the gum tissue surrounding your back teeth. The tissue is raised and the bone is exposed revealing a small, oval window. On the other side of the window, the membrane lining the sinus separates your sinus from your jaw. This membrane is pushed gently up and away from your jaw.
- Bone-graft granules are then packed into the sinus space. The amount of bone used will vary but is measured in millimeters.
The tissue is closed with stitches once the bone is in place. Four to nine months later, your implants will be placed. This allows time for your bone to mesh with the grafted material. The amount of time it takes depends on how much bone is needed.
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