Osteonecrosis of the jaw is a condition where the bones of the jaw do not heal properly and portions of the bone can be lost. Osteonecrosis can occur in patients who are taking certain kinds of medications. These include medications used to treat osteoporosis called bisphosphonates. Bisphosphonates are used to help increase bone density in patients suffering from osteoporosis. They act on the bone cells to help increase bone formation. Due to their mechanism of action the