2012年伦敦奥运会将于2012年7月27日开幕,于2012年8月12日闭幕,下列景点在伦敦可以看到的是
① ② ③ ④
A.①②
B.①③
C.②④
D.②③
答案:A
单个后牙铸造金属全冠修复,咬合调磨后应达到()。
A.全冠牙合面接触点应多于余留邻牙
B.全冠牙合面有2个以上的接触点
C.全冠牙合面咬合点的分布应基本位于牙长轴的两侧,承受的牙合力尽量平衡
D.A+B+C
E.B+C
Mr. Smith has had a cast applied to his arm as an outpatient in the emergency room. Which of the following home care instructions should the nurse advice for his cast care()
A. Use a ruler to reach inside and scratch under the cast.
B. Apply a heating pad to the arm for 24 hours after the injury.
C. Use powder on the skin around the cast.
D. Smell the cast for foul odors.