Abstract
Bisphosphonate related osteonecrosis of the jaw (BRONJ) is a side effect that may emerge due to a long-term bisphosphonate therapy. Although the timely diagnosis and initiation of treatment are associated with good outcome results, extended cases require whole parts of the jaw to be resected. A possible treatment option is the bony reconstruction of the jaw using microvascular bone flaps. We report, for the first time, the development of a bisphosphonate related osteonecrosis in a microvascular iliac bone graft, a reconstruction that was performed following a partial mandibulectomy due to BRONJ stage III. The observation of BRONJ manifestation in an osseous microvascular transplant is a novel finding that sheds new light on current pathogenesis theories that surround this entity. Furthermore, it is hypothesized that BRONJ is able to progress to adjacent bone. In addition, bone reconstruction in patients suffering from BRONJ may be seen more critically.
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