Melanie D. Robinson, DDS, MS
Austin, TX
512-377-5656
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Surgical Services

  • Gum Grafting
  • Cosmetic Crown Lengthening
  • Functional Crown Lengthening
  • Dental Implants
  • Bone Grafting


Melanie D. Robinson, DDS, MS

3305 Northland Drive, Suite 204
Austin, TX 78731

Phone: 512-377-5656
Fax: 512-377-5657

Bone Grafting

Major & Minor Bone Grafting

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, most patients are not candidates for 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.

Major Bone Grafting

Bone grafting can repair implant sites with inadequate bone structure due to previous extractions, gum disease, or injuries. The bone is either obtained from a tissue bank or your own bone is taken from the jaw, hip, or tibia (below the knee.) Sinus bone grafts are also performed to replace bone in the posterior 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 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 he 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.

Bone Grafting Overview

For a brief narrated overview of the bone grafting process, please click the image below. It will launch our flash educational MiniModule in a separate window that may answer some of your questions about bone grafting.

Bone Grafting Overview

Having trouble? Please make sure you have the Adobe Flash Player plugin installed in order to correctly view this presentation. This software is available as a free download.

Ridge Preservation

Careful management of extraction sockets after tooth extraction with bone grafting materials prevents unsightly bone loss and provides a better cosmetic outcome for tooth replacement.

Sinus Lift Procedure

The maxillary sinuses are behind your cheeks and on top of the upper teeth. Sinuses are like empty rooms that have nothing in them. 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 wall is very thin, it is impossible to place dental implants in this bone.


There is a solution 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 dental implants when years ago there was no other option other than wearing loose dentures.

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 procedure. If 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.

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Melanie D. Robinson, DDS, MS • Address: 3305 Northland Drive, Suite 204 Austin TX 78731 • Phone: Austin Office Phone Number 512-377-5656 • Fax: 512-377-5657

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