Abstract
Bisphosphonates-induced avascular osteonecrosis of the jaw is rarely reported after osteoporosis’ treatment. We report a case of Jaw avascular osteonecrosis associated with a residronate oral treatment for post menopausal osteoporosis in a 49-year-old woman. She presented with jaw pain, difficulty in masticating following teeth avulsions. The clinical appearance simulated dental abscesses. The radiological exam showed a large osteolysis of the left posterior region of right mandible. The diagnosis of avascular necrosis of the jaw was retained. She was treated by ablation of bone sequestrum associated to an antibiotic treatment associated with hyperbaric oxygen treatment. Currently, the recommended treatment for this osteonecrosis is essentially symptomatic and conservative. The preventive treatment consists on a complete dental evaluation performed before starting bisphosphonate treatment
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