英语语法分析

Therewere no osteoradionecrosis and dry socket.

无放射性骨坏死和干槽症发生。

Objective: To investigate effective methods for preventing treatment Osteoradionecrosis of jaws.

目的：探索防治放射性颌骨骨髓炎的有效措施。

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。