最易造成下颌骨边缘性骨髓炎的是( )
A. 眶下间隙感染
B. 嚼肌间隙感染
C. 翼下颌间隙感染
D. 颊间隙感染
E. 颌下间隙感染
Passage OneQuestions 26 to 28 are based on the passage you have just heard.
A. It has become a clumsy giant.
B. The city has suffered from long-time famine.
C. There was epidemic disease that time.
D. It has been set on fire.
Questions 11 to 18 are based on the passage you have just heard.
A. He was afraid he might be kept too late.
B. He would have something more important to do.
C. He was not in the mood to attend the excursion.
D. He had to make an appointment with a friend.
男，60岁。右下第一磨牙因松动于三个月前拔除，要求修复。 患者缺牙属( )
A. 肯氏第一类
B. 肯氏第二类
C. 肯氏第三类
D. 肯氏第四类
E. 肯氏第一类、第Ⅰ亚类
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