摘要颌面骨的放射性骨坏死多发于下颌骨，少数发于上颌骨，而颧骨的放射性骨坏死非常罕见。
Abstract: Osteoradionecrosis occurs more often in the mandible than maxilla, and rarely occurs in the zygoma.
摘要颌面骨的放射性骨坏死多发于下颌骨，少数发于上颌骨，而颧骨的放射性骨坏死非常罕见。
Abstract: Osteoradionecrosis occurs more often in the mandible than maxilla, and rarely occurs in the zygoma.
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