下列各类固定桥中,对基牙的牙周组织损伤最大的是(  )。

下列各类固定桥中,对基牙的牙周组织损伤最大的是(  )。A.半固定桥 B.单端固定桥 C.双端固定桥 D.粘结固定桥 E.弹簧式固定桥

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确定残髓炎最可靠的方法是(  )。

确定残髓炎最可靠的方法是(  )。A.温度测验 B.化学测验 C.电活力测验 D.探查根管深部 E.探查牙周袋

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Which is NOT affected by the number of years we have to live

Which is NOT affected by the number of years we have to live?A.Our educatio B.Ou

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What didn't Mr. Cousins do in his experiments with laughter?

What didn't Mr. Cousins do in his experiments with laughter?A.Watch funny TV sho

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普通片的崩解时限是(  )。

普通片的崩解时限是(  )。

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