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Sinus Augmentation





 Insufficient Bone Below Sinus                          Implant After Sinus Augmentation

For optimal results and longevity, dental implants require sufficient quality and quantity of bone and tissue within the jaw. In the mouth, there may be naturally occurring, diseased, or deformed areas requiring bone and tissue grafts before implants can be placed.

The maxillary sinus is a hollow, air filled spaces located directly above the back upper jawbone (maxilla). The proximity of the maxillary sinus to the upper back jawbone can cause an insufficient amount of alveolar bone required to place a dental implant to replace premolar and molar teeth. In addition, if an upper molar or premolar is lost, the edge of the sinus cavity can move and intrude on the jawbone, further reducing the area suitable for implants. Bone resorption caused by tooth loss can make the posterior maxilla severely compromised.

A sinus augmentation or sinus “lift” is a method to help prepare the posterior maxilla for successful implant treatment by increasing the alveolar bone height. This is accomplished by raising the floor of the sinus. Room is thus created for placement of bone graft material to allow new bone to form. After a period of time, implants can be placed into the newly grafted maxillary bone. The end result of this procedure is an improved survival rate, allowing for long-lasting implants that will improve both the esthetic aspect and functionality of the patient’s mouth.