Over a period of time, the jaw bone associated with missing teeth atrophies and creates alveolar bone resorption. This often leaves a condition in which there is poor quality and quantity of bone suitable for placement of dental implants. In the past, many patients were not candidates for placement of dental implants.
However, through new advances in dentistry, we now have the ability to grow bone where needed. There are several products available for bone grafting procedures. One product uses recombinant human bone morphogenetic protein-2 (rhBMP-2) applied to an absorbable collagen sponge carrier. The purpose of the protein, which occurs naturally in the human body, is to stimulate bone formation.
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. The bone graft procedures are referred to as sinus lifts and ridge-augmentations.
This procedure involves elevating the sinus membrane and placing the bone graft onto the sinus floor, allowing implants to be placed in the back part of the upper jaw. New and improved procedures are now being performed using bone morphogenetic protein-2, or rhBMP-2.
In severe cases, the ridge has been reabsorbed and a bone graft is placed to increase the ridge height and/or width. These procedures may be performed separately or together, depending on the individual’s condition. There are several areas of the body which are suitable for attaining bone grafts. In the maxillofacial region, bone grafts can be taken from inside the mouth, in the area of the chin or third molar region, or in the upper jaw behind the last tooth. Very rarely, in more extensive situations, a greater quantity of bone can be attained from the hip. Through recent advances in dental technology and material improvements, it is rare for the need to require harvesting autologous bone. FDA approved bone grafting material provides the same predictable results previously only found in autologous bone (hip and tibia).
These surgeries are usually performed in our office surgical suite, under I.V. sedation or general anesthesia. After discharge, bed rest is recommended for one day and limited physical activity for one week
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