Bisphosphonates are used in the management of metastatic bone disease, Paget's disease of bone and osteoporosis. A long-term complication of these drugs is bisphosphonate-related osteonecrosis of the jaws (BRONJ). Treatment of BRONJ can be quite challenging, and remains a topic of debate. We report the case of a 74-year-old woman who had used Fosamax(®) (alendronate sodium) orally for four years. After 3½ years she developed pain, swelling, and a fistula in the left mandible. After exploration and sequestrectomy in combination with antibiotic treatment, osteolysis with a pathological fracture developed. Given the extent of the disorder and a decrease in complaints after the surgery, a non-surgical approach was chosen with continuation of the antibiotic treatment for 10 weeks, a soft diet and not wearing of dentures. During follow-up complaints subsided, the intra-oral fistula disappeared and the fracture healed. This is the first report of healing of a BRONJ patient stage III with pathological fracture. It illustrates the remaining healing potential of the bisphosphonate-treated bone.
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