一患者缺失，戴用义齿后出现咬颊现象。原因是人工后牙（）
A.覆盖过大
B.平面偏高
C.牙尖斜度过大
D.颊尖过锐
E.颊侧覆盖过小
参考答案：E
-- Mary and Tony want to go to the party?
--No, they don't.
A．Do
B．Does
C．Is
D．Are
She () some salt on her food to make it taste better.
A. sprinkled
B. sprayed
C. scattered
D. dispersed
缺失，戴用义齿后出现咬颊现象。原因是人工后牙（）
平面偏高
缺失，戴用义齿后出现咬颊现象。原因是人工后牙（）平面偏高