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Distribution of different complications in patients with stage 3 MRONJ. Among the patients with maxillary lesions, the involvement of the maxillary sinus and nasal base and the occurrence of facial fistula and pathological fracture were calculated. Except for facial fistula and pathological fracture, the involvement of the mandibular canal, inferior board, and ramus in the mandible was recorded. The proportion of each complication was calculated, respectively.
