Sinus lift
Sinus Lift
A Sinus Lift (pronounced: /ˈsaɪnəs lɪft/), also known as sinus augmentation or sinus elevation, is a surgical procedure performed to increase the amount of bone in the upper jaw, specifically in the area of the premolar and molar teeth, by lifting the lower sinus membrane and placing a bone graft.
Etymology
The term "Sinus Lift" is derived from the procedure itself. The word "sinus" refers to the paranasal sinuses, hollow spaces in the bones of the skull surrounding the nasal cavity. The word "lift" refers to the lifting of the sinus membrane to make room for a bone graft.
Procedure
The Sinus Lift procedure is typically performed 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. The procedure involves creating an incision to expose the bone, and a small oval window is opened in the bone. The sinus membrane lining is gently pushed up and away from the jaw. Then, bone-graft material is added in the space where the sinus was to lift the sinus cavity and make room for the dental implant.
Related Terms
- Bone Graft: A surgical procedure that replaces missing bone with material from the patient's own body, an artificial, synthetic, or natural substitute.
- Dental Implant: A surgical component that interfaces with the bone of the jaw or skull to support a dental prosthesis such as a crown, bridge, denture, facial prosthesis or to act as an orthodontic anchor.
- Upper Jaw: Also known as the maxilla, it is the bone that forms the upper part of the mouth and carries the upper teeth.
- Sinus Membrane: Also known as the Schneiderian membrane, it is the lining of the maxillary sinus, which is the air-filled space inside the cheekbone and above the upper jaw.
External links
- Medical encyclopedia article on Sinus lift
- Wikipedia's article - Sinus lift
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