Smile Enhancement Through Periodontal Plastic Surgery and Dental Implants (360) 254-8151

Munib Derhalli DMD, MS, MBA
Board Certified Periodontal Surgeon

CCDS American Dental Association American Academy of Periodontology Ronald Mcdonald House Charities Academy of Oseeointegration

Sinus Lift (Sinus Augmentation)

A sinus augmentation – or “sinus lift” – is a surgical procedure to increase the amount of vertical height of bone at the Maxillary Sinus floor above the Alveolar ridge of the upper (Maxillary) jaw.

What Is A Sinus Augmentation?

Sinus augmentation, also referred to as a “sinus lift,” is one of the most commonly performed bone grafting procedures for patients with bone loss in the upper jaw (maxilla). The goal of the procedure is to grow bone in the floor of the maxillary sinus above the alveolar ridge – the bony ridge of the gumline that anchors the teeth in the upper jaw.
Sinus augmentation surgery often is recommended when the patient wants to replace teeth with dental implants in the maxillary arch. Dental implants require a certain amount of bone height to support the base of the implant.
A sinus lift may be an appropriate surgery option for a patient who is:

  • Missing more than one tooth in the posterior maxilla;
  • Missing a large amount of bone in the posterior maxilla;
  • Missing teeth due a congenital (present at birth) defect or condition; or
  • Missing most of the maxillary teeth and need firm anchorage for multiple implants.

The bone used in a sinus lift may come from your own body (autogenous bone), from a cadaver (allogeneic bone) or from cow bone (xenograft). If your own bone will be used in the sinus lift, it will be taken from other areas of your mouth or body.

You will need X-rays taken before your sinus lift so Dr. Derhalli can study the anatomy of your jaw and sinus. You also may need a special type of computed tomography (CT) scan. This scan will allow Dr. Derhalli to accurately measure the height and width of your existing bone and to evaluate the health of your sinus.

How It’s Done

Dr. Derhalli will cut the gum tissue where your back teeth used to be. The tissue is raised, exposing the bone. A small, oval window is opened in the bone. The membrane lining the sinus on the other side of the window separates your sinus from your jaw. This membrane is gently pushed up and away from your jaw. Granules of bone-graft material are then packed into the space where the sinus was. The amount of bone used will vary, but usually several millimeters of bone is added above the jaw.

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