alexa Epidemiology and risk factors for osteonecrosis of the jaw in cancer patients.



Author(s): Hoff AO, Toth B, Hu M, Hortobagyi GN, Gagel RF

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Abstract Osteonecrosis of the jaw (ONJ), previously an entity associated with radiation therapy to the head and neck, has been observed in patients treated with bisphosphonates. Patients with metastatic breast cancer and myelomatous bone disease, commonly treated with high-potency nitrogen-containing bisphosphonates for a prolonged period of time, have the greatest risk of ONJ development. The reported frequency of ONJ ranges from 0.6\% to 6.2\% in breast cancer and from 1.7\% to 15\% in patients with multiple myeloma. Osteonecrosis of the jaw has also been observed in patients with other cancers such as prostate cancer and in benign bone disorders such as osteoporosis and Paget's disease in which the incidence is low. Risk factors associated with the development of ONJ include dental extractions, length of bisphosphonate treatment, and the type of bisphosphonate used. In this review, we summarize the reported incidence and risk factors associated with ONJ. © 2010 New York Academy of Sciences. This article was published in Ann N Y Acad Sci and referenced in Dentistry

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