问题
单项选择题
一患者
缺失。铸造支架式义齿，
RPI卡环，舌杆大连接体。义齿戴用一周后，主诉义齿压痛、基牙咬合痛。口腔内检查发现：舌系带根部小溃疡，叩痛(+)，义齿部分密合，咬合不高。
左下4基牙疼痛的原因是（）。
A．根尖周炎
B．受力过大
C．牙周病
D．牙本质过敏
E．咬合干扰
答案
参考答案：B
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一患者缺失。铸造支架式义齿，RPI卡环，舌杆大连接体。义齿戴用一周后，主诉义齿压痛、基牙咬合痛。口腔内检查发现：舌系带根部小溃疡，叩痛(+)，义齿部分密合，咬合不高。
左下4基牙疼痛的原因是（）。
A．根尖周炎
B．受力过大
C．牙周病
D．牙本质过敏
E．咬合干扰
参考答案：B
Valentine’s Day may come from the ancient Roman feast of Lupercalia. 36 the fierce wolves roamed nearby, the old Romans called 37 the god Lupercus to help them. A festival in his 38 was held on February 15th. On the eve of the festival the 39 of the girls were written on 40 of paper and placed in jars. Each young man 41 a slip. The girl whose name was 42 was to be his sweetheart for the year. Legend 43 it that the holiday became Valentine’s Day 44 a Roman bishop named Valentine. Emperor Claudius II 45 the Roman soldiers NOT to marry or become engaged. Claudius felt married soldiers would 46 stay home than fight. When Valentine 47 the Emperor and secretly married the young couples, he was put to death on February 14th, the 48 of Lupercalia. After his death, Valentine became a 49 . Christian bishop moved the holiday from the 15th to the 14th—Valentine’s Day. Now the holiday honors Valentine 50 of Lupercus. Valentine’s Day has become a major 51 of love and romance in the modern world. The ancient god Cupid and his 52 into a lover’s heart may still be used to 53 falling in love or being in love. But we also use cards and gifts, such as flowers or jewelry, to do this. 54 to give flower to a wife or sweetheart on Valentine’s Day can sometimes be as 55 as forgetting a birthday or a wedding anniversary.
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