When we lose one or more teeth, the jaw bone resorbs because it is no longer simulated by the root of the missing teeth. The density and quantity of bone will decrease over time, if this is not stimulated with the placement of an implant. Later, a surgery called “bone grafting” will be necessary to replace the bone that you have lost, so that you can place implants in optimal conditions.
The bone grafting procedure is relatively simple to perform. A bone graft (allogenic or autogenous) is first positioned and immobilized.
Autogenous graft ; For this type of graft, bone is removed from another part of the patient’s body and grafted to their jawbone. If the amount of bone required is not that great, the harvest can be done from the chin or the ascending ramus of the mandible. Intraoral bone harvesting is preferable because the time to hospitalization and healing is reduced.
If the graft is to be large, it can be taken from the hip bone or tibia, and involves a second surgery site so more pain and discomfort. The autogenous transplant is the one that has the least risk of rejection because it is the patient’s own bone that is transplanted.
Allogeneic transplant : The transplant comes from an external donor. Donors are screened and the bone is treated to prevent the risk of disease transmission.
Sometimes it happens to use grafts in the form of powder. After the transplant has been placed, the body creates new bone cells from the jawbone in the area where the implant will be placed and with the transplant the success rate will be maximum.