问题
单项选择题
根尖切除术的适应证如下，除外
A．根尖囊肿
B．根尖周病变广泛
C．牙髓牙周联合病
D．根管内治疗器械折断出根尖孔
E．根管充填完善而根尖周病变久治不愈
答案
参考答案：C
解析：牙髓牙周联合病不是根尖切除术的适应证，其他答案都是根尖切除术的适应证。
搜题请搜索小程序“爱下问搜题”
根尖切除术的适应证如下，除外
A．根尖囊肿
B．根尖周病变广泛
C．牙髓牙周联合病
D．根管内治疗器械折断出根尖孔
E．根管充填完善而根尖周病变久治不愈
参考答案：C
解析：牙髓牙周联合病不是根尖切除术的适应证，其他答案都是根尖切除术的适应证。
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| One day, a Chinese student goes to study English in England. His family name is Sun. It is the 1 as the word "sun." England is a country with 2 . It is often cloudy or misty (多雾的), and it 3 again, so the days there 4 get much sunshine (阳光) all the year. When the Chinese student gets to London, a tall 5 policeman with a long face 6 his passport (护照) to check (检查) it. The policeman finds the Chinese name"sun" in the passport. He 7 it is pronounced (发音) just like the 8 word"sun". So he says to the Chinese student,"I see your name is Sun, we like you here. You bring sunshine 9 England, so we don't want you to 10 ." They smile. | ||||
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