男性,30岁。2年前右上后牙疼痛,经治疗痊愈,但充填物反复脱落,要求做相对永久的治疗。查:叩诊(-),稳固,远中邻台大面积龋,银汞充填,充填体完整。 为长期保存该患牙,最佳修复方法是
A. 全冠
B. 嵌体
C. 成品桩+银汞充填
D. 成品桩+树脂充填
E. 铸造桩+树脂充填
查看答案
龈炎的活动情况
A. 个人简化口腔卫生指数
B.牙龈指数
C.菌斑指数
D.龈沟出血指数
E.社区牙周指数
第一节 听下面5段对话。每段对话后有一个小题,从题中给出的[A],[B],[C]三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你有10秒种的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 What is the most probable result of the conversation
A. The man got his telephone repaired.
B. The man got nothing.
C. The man got a new telephone.
What do people enjoy doing in the park in late autumn and winter
A. Taking photos.
B. Going for a walk.
C. Driving around the lake.
What did the television say about the weather for the whole day
A lot of rain.
B. Rain and showers.
C. A fine day but some showers.