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Sinus Lift / Bone Grafting

Sinus Lift

A sinus lift, also called a sinus augmentation, is a surgery that adds bone to your upper jaw in the area of your molars and premolars to make it higher. The bone is added between your jaw and the maxillary sinuses, which are on either side of your nose. To make room for the bone, the sinus membrane has to be moved upward, i.e."lifted." A sinus lift usually is done by an oral and/or maxillofacial surgeon.

A sinus lift is done when there is not enough bone in the upper jaw, or the sinuses are too close to the jaw, for dental implants to be placed.

There can be several reasons for this

  • Many people who have lost teeth in their upper jaw — particularly the back teeth, or molars — do not have enough bone for implants to be placed. Because of the anatomy of the skull, the back of the upper jaw has less bone than the lower jaw.
  • Bone may have been lost due to periodontal or gum disease. Once teeth are gone, bone begins to be resorbed if teeth have been missing for a long time, often there is not enough bone left to place implants.
  • The maxillary sinus may be too close to the upper jaw for implants to be placed. The shape and the size of this sinus varies among individuals. In addition, the sinus can get larger as you age.

Sinus lift is a common dental procedure as more and more people are getting dental implants to replace missing teeth. The procedure, in most cases, can be done at the same time as the implant is placed, and this is followed by a 9 month healing period to allow the artificial bone to develope into natural bone before the final restoration i.e. the dental crown can be placed onto the implant and abutment

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