Objective : To evaluate the efficiency of intermaxillary traction by miniscrew in the treatment of jaw fracture.目的: 探讨应用牵引钉行颌间牵引术治疗颌骨骨折后关系紊乱的效果.Methods 41 cases of jaw fracture have been treated with intermaxillary fixat...
文盲的存在影响着英国的产业效益。但是，除此以外，更重要的是那些不具备读写能力的人也不太可能找到工作。Illiteracy threatens Britain's industrial performance. But, quite apart from that, the individual who can't read or write is unlikely to get a job.学校减少了, 文盲的实际数...