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KMID : 0355620080340050550
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2008 Volume.34 No. 5 p.550 ~ p.554
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FEATURES OF HISTOPATHOLOGIC AND RADIOGRAPHIC FINDINGS IN BISPHOSPHONATE-RELATED OSTEONECROSIS OF JAW-CLINICAL REVIEW
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Ohe Joo-Young
Kim Yeo-Gap
Yoon Byong-Wook
Lee Baek-Soo
Kwon Yong-Dae
Choi Byung-Jun
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Abstract
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Bisphosphonates (BPs) are a class of agent used to treat patient with osteoporosis or malignant bone metastases. BPs can be categorized into 2 groups: nitrogen-containing and non-nitrogen containing. Nitrogen-containing BPs are considered to have more toxicity. Despite their clinical benefits, bisphosphonate-related osteonecrosis of jaw(BRONJ) is a significant complication to patients receveing these drugs. Since the first description of BRONJ in 2003 by Marx, the number of reports on BRONJ has been rapidly increasing. BRONJ is considered as an emerging problem in oral & maxillofacial surgery. Generally, osteonecrosis in the maxilla is rare, however BRONJ is found both in the maxilla and the mandible. This is an important feature of BRONJ compared to common infectious osteomyelitis of the jaw. Growing number of case reports, suggest that bisphosphonate therapy may cause exposed, necrotic bone. BRONJ has simillar features compared to IORN (infected osteoradionecrosis). BRONJ has meaningful features established through the interestigation on histopathologic and radiographic findings. These features have an impact on treatment plan and prognosis. This presentation contemplates on features of histopathologic and radiographic findings in bisphosphonate-related osteonecrosis of the jaw.
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KEYWORD
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Bisphosphonate, BRONJ, Alendronate
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