问题
单项选择题 共用题干题
患者男，48岁，
缺失，原普通可摘局部义齿折断，查见患者咬合紧，余留牙磨耗较重，重新制作义齿，设计为
铸造卡环，采用铸造金属颌面，制作时采用混装法装盒。
若将铸造金属颌面翻到上半盒去可能产生的问题是（）。
A.包埋不牢
B.咬合降低
C.咬合增高
D.不利于充填
E.以上都是
答案
参考答案：C
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患者男，48岁，缺失，原普通可摘局部义齿折断，查见患者咬合紧，余留牙磨耗较重，重新制作义齿，设计为铸造卡环，采用铸造金属颌面，制作时采用混装法装盒。
若将铸造金属颌面翻到上半盒去可能产生的问题是（）。
A.包埋不牢
B.咬合降低
C.咬合增高
D.不利于充填
E.以上都是
参考答案：C
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| Have you ever had to decide whether to go shopping or stay home and watch TV on a weekend? Now you 1 do both at the same time. Home shopping television networks (网络) have become a 2 for many people to shop without 3 having to leave their homes. Some shoppers are 4 of department stores and supermarkets- 5 the crowds, waiting in long lines, and sometimes 6 of finding anything they want to buy. They'd rather sit quietly at home in front of the TV set and 7 a friendly announcer describe a product 8 a model shows it. And they can 9 around the clock, buying something 10 by making a phone call. Department stores and even mail-under companies are 11 to join in the success of home shopping. Large department stores are busy 12 their own TV channels (频道) to encourage TV shopping in the future. 13 can ask questions about products and place 14 , all through their TV sets. Will shopping by television 15 take the place of shopping in stores? Some industry managers think so. 16 many people find shopping at a 17 store a great enjoyment. And for many shoppers, it is still important to 18 or try on dresses they want to buy. That's 19 specialists say that in the future, home shopping will 20 together with store shopping but will never entirely replace (取代) it. | ||||
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