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Over a period of time, the jawbone associated with missing teeth atrophies or is reabsorbed. This often leaves a condition in which there is poor quality and quantity of bone suitable for placement of dental implants. In these situations, the atrophied bone must be augmented to allow for proper placement of dental implants.

Today, we have the ability to grow bone where needed. This not only gives us the opportunity to place implants of proper length and width, it also gives us a chance to restore functionality and esthetic appearance. We perform bone grafting in our Peoria, Galesburg and Macomb offices.

Watch a video about bone grafting by clicking here.

Minor Bone Grafting

In patients where only minor atrophy has occurred, placement of the dental implant need not be delayed. The implant can often be place with very good stability and the mild bone defect grafted simultaneously. For minor grafts, autogenous bone (bone from the patient) or allogeneic bone (sterile bone from another source) are frequently used. Your surgeon will discuss the advantages of each type of bone with you during your consultation.

Major Bone Grafting

Bone grafting can repair implant sites with inadequate bone structure due to previous extractions, gum disease or injuries. The bone usually obtained from the jaw, hip or tibia (below the knee) of the patient. Sinus bone grafts are also performed to replace bone in the posterior (back) upper jaw. In addition, special membranes may be utilized that dissolve under the gum and protect the bone graft and encourage bone regeneration. This is called guided bone regeneration or guided tissue regeneration.

Major bone grafts are typically performed to repair defects of the jaws. These defects may arise as a result of long term tooth loss, traumatic injuries, tumor surgery, or congenital defects. Large defects are repaired using the patient’s own bone. This bone is harvested from a number of different sites depending on the size of the defect. The skull (cranium), hip (iliac crest), and lateral knee (tibia), are common donor sites. These procedures are routinely performed in an operating room and require a hospital stay.

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Sinus Lift Procedure

The maxillary sinuses are behind your cheeks and on top of the posterior upper teeth. Some of the roots of the natural upper teeth extend up into the maxillary sinuses. When these upper teeth are removed, there is often just a thin wall of bone separating the maxillary sinus and the mouth. Dental implants need bone to hold them in place. When the sinus floor is very thin, it is impossible to place dental implants in this bone.

There is a solution and it’s called a sinus graft or sinus lift graft. The dental implant surgeon enters the sinus from where the upper teeth used to be. The sinus membrane is then lifted upward and donor bone is inserted into the floor of the sinus. Keep in mind that the floor of the sinus is the roof of the upper jaw. After several months of healing, the bone becomes part of the patient’s jaw and dental implants can be inserted and stabilized in this new sinus bone.

The sinus graft makes it possible for many patients to have molar dental implants placed in the upper jaw when often the only conventional option is a removable partial denture. Patients in Peoria, Galesburg and Macomb frequently take advantage of this procedure.

If enough bone between the upper jaw ridge and the bottom of the sinus is available to stabilize the implant well, sinus augmentations and implant placement can sometimes be performed as a single procedureIf not enough bone is available, the sinus augmentation will have to be performed first, then the graft will have to mature for several months, depending upon the type of graft material used. Once the graft has matured, the implants can be placed.

Watch a video about sinus lift procedures by clicking here.

For more information on bone grafting or to schedule a consultation with one of our oral surgeons, contact any of our offices in Peoria, Galesburg and Macomb.