问题
单项选择题 共用题干题
患者女，27岁，上前牙牙龈反复出现瘘管1年，经多次搔刮及烧灼瘘管无明显好转。查体见左上1烤瓷全冠修复，唇侧龈方见针尖大小脓点，略红肿，X线片显示根管内冠1／3铸造桩影像，根尖3mm欠充填，根尖区见阴影
引起根尖炎症的优势细菌（）
A.变形链球菌
B.乳酸杆菌
C.牙龈卟啉单孢菌
D.放线菌
E.以上皆正确
答案
参考答案：C
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患者女，27岁，上前牙牙龈反复出现瘘管1年，经多次搔刮及烧灼瘘管无明显好转。查体见左上1烤瓷全冠修复，唇侧龈方见针尖大小脓点，略红肿，X线片显示根管内冠1／3铸造桩影像，根尖3mm欠充填，根尖区见阴影
引起根尖炎症的优势细菌（）
A.变形链球菌
B.乳酸杆菌
C.牙龈卟啉单孢菌
D.放线菌
E.以上皆正确
参考答案：C
| 用方框中所给动词的适当形式填空，（每词限用一次）。 | |
Emma: Oh, I have a toothache now. Doctor: How long have you 1______ like this? Emma: For three days. And I 2______ not sleep last night. Doctor: Open your mouth and let me look them over. Oh, one of your teeth is bad. It must be 3______ out. Emma: It 4______ terrible. You'd better give me other advice. Perhaps it will be OK tomorrow. Doctor: I don't think so. Emma: All right. What should I do? Doctor: You won't 5_____ anything hard in many days after the operation (手术). Emma: OK. Thank you very much. Doctor: Not at all. |