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A sinus lift is surgery that adds bone to your upper jaw in the area of your Molars & Premolars. It's sometimes called a sinus augmentation. Maxillary sinus floor augmentation (also termed sinus lift, sinus graft, sinus augmentation or sinus procedure) is a surgical procedure which aims to increase the amount of bone in the posterior maxilla (upper jaw bone), in the area of premolar and molar teeth, by sacrificing some of the volume of the maxillary sinus.
When a natural tooth is lost, whether through dental decay, periodontal disease or dental trauma, the alveolar process begins to remodel. The edentulous (toothless) area is termed a ridge, which over time usually loses both height and width. Furthermore, the level of the floor of the maxillary sinus gradually becomes lower. Overall, this leads to a loss of volume of bone which is available for implantation of dental implants. The bone is added between the jaw and the maxillary sinuses, which are on either side of the nose. To make room for the bone, the sinus membrane has to be moved upward, or "lifted." A sinus lift usually is done by a specialist. This could be either an oral and Maxillofacial Surgeon or a Periodontist.
Sinus lift has become common during the last 15 years as more people are getting dental implants to replace missing tooth. The amount of bone used will vary case by case. Granules of bone graft material will be packed into the space where the sinus wall is or packed in the area where there is lack of bone to support implant. The goal of the sinus lift is to graft extra bone into the maxillary sinus, so more bone is available to support a dental implant.
A sinus lift is done when there is not enough bone height in the upper jaw, or the sinuses are too close to the jaw, for dental implants to be placed. There are several reasons for this:
Sinus lifts have become common during the last 15 years as more people get dental implants to replace missing teeth.