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Bone loss in the jaws and around the teeth may be the result of missing teeth, a congenital anomaly, periodontal disease, or trauma. More than just a detriment to oral health and function, bone loss can also affect one's appearance by nature of the defect, or diminished support for the natural contours of the face.
With our bone rebuilding procedures, we can help restore the bone to its original dimensions to improve facial esthetics, rebuild tissue support, and restore function. Bone grafting also facilitates the successful placement and longevity of dental implants.
A bone graft essentially provides the platform or "scaffolding" for new bone growth to occur. Today, bone graft materials come from a variety of sources. Bone for a graft might be collected from another area of the body, harvested from other natural sources, or made of synthetic materials. The choice depends upon the specific needs of the case.
How the graft is performed also varies. While socket preservation involves the placement of a bone graft directly into an extraction site, onlay grafts are laid directly over the area of bony defect. And, in cases where large bony defects are present, an autogenous graft using the patient's bone may be indicated. The exact size of the defect determines from what part of the body the autogenous bone will be obtained.
Several types of grafting procedures are performed depending upon the particular needs of the case.
When a tooth is extracted, the natural stimulation to the underlying bone generated by the forces of biting or chewing is lost. As a result, bone width in and around the extraction site can be reduced by as much as 25% in the first year following tooth loss.
Ridge preservation is a procedure designed to retain the soft tissue and bone structure at the site of an extracted tooth. After a tooth is removed, bone-grafting material is placed in the socket to promote healing and encourage new bone development. Maintaining adequate bone and supporting the soft tissues following tooth extraction with a ridge preservation procedure facilitates the successful placement of a dental implant.
The bone that surrounds the roots of the teeth is known as the alveolar ridge. A ridge augmentation is a surgical procedure performed to restore the normal height and width of the alveolar ridge after it has been diminished over time due to tooth loss, denture wear, or trauma. In the presence of a reduced and narrowed alveolar ridge, the primary consideration is how it potentially affects the placement of a dental implant or another dental prosthesis.
A ridge augmentation procedure may be performed by placing bone graft material into a tooth socket at the time of an extraction, or adding it later to an already existing and deficient area. While in certain situations, dental implants can be placed at the time of a ridge augmentation procedure; they are more often placed after sufficient healing has occurred. By this time, the bone graft has successfully fused with the existing bone, and new bone has formed.
In addition to bone grafting for purposes of ridge preservation or augmentation to allow for dental implants, aesthetic ridge augmentation procedures to restore the natural contours of the bone are sometimes performed in preparation for fixed bridgework to achieve a more cosmetically pleasing result.
To guide tissue regeneration as well as protect the graft and promote healing, the periodontist may place specialized membranes and biologically active materials over the grafting material.
For patients lacking a sufficient amount of bone for a dental implant to replace a maxillary back tooth (upper back tooth), a procedure, which is known as a "sinus lift" is performed. During this surgical procedure, the sinus membrane is lifted, and bone graft material is added between the jaw and the floor of the sinus to provide the needed bone height to support a dental implant successfully.
Depending upon the needs of the case, one of two types of sinus lifts may be performed:
As a result of advances in care, several remarkable procedures, which promote the body’s ability to self-heal have been developed. In the field of periodontics, new treatments based upon tissue engineering and other regenerative approaches to care offer promise for restoring the health of the tissues supporting and surrounding the teeth.
Guided Bone Regeneration
Guided bone regeneration is a dental procedure that is used for increasing bone mass in cases where vertical and/or horizontal defects in the jawbone exist. It is a reliable method for re-establishing hard tissue volume in areas of bone loss, which has taken place in the upper or lower jaw as the result of periodontal disease, trauma, cyst or tumor surgery, as well as after a dental extraction.
During a guided bone regeneration procedure, a special membrane is positioned to cover a newly placed bone graft in the area of a bony defect. This membrane facilitates new growth of bone while preventing any growth of unwanted soft tissue into the area. Guided bone regeneration can help enable the placement of dental implants for cases in which implants would otherwise not be possible.
Platelet Rich Fibrin
Platelet Rich Fibrin, when placed in a dental surgical site, promotes faster soft tissue and bone healing. Harvested from a small sample of a patient’s own blood before the procedure, Platelet Rich Fibrin offers a completely safe method for improving and accelerating the recovery and healing process.
Platelet Rich Fibrin contains growth factors, which stimulate and attract stem cells to the dental surgical site to enhance post-operative healing. While accelerating both tissue regeneration and growth, PRF also provides a natural scaffold for cell proliferation that supports the recovery process and protects the open wound from the oral environment as well as an infection.
The use of Platelet Rich Fibrin has applications across a range of dental surgical procedures, including bone grafting for the placement of dental implants, guided bone regeneration, ridge augmentation, the repair of bony defects following tooth removal, sinus lifts and the treatment of facial trauma. With the use of Platelet Rich Fibrin, the risks of complications and infection during the recovery process are decreased. While speeding up and improving the quality of healing is essential for all patients who are undergoing a surgical procedure, platelet-rich fibrin may be particularly helpful for patients with medical conditions that interfere with healing.