患者,右上7远中舌侧大面积龋坏缺损,已经进行根管治疗,原银汞充填物经常脱落,现要求全冠修复。检查:无叩痛,无松动,咬合距离正常,临床牙冠较高,可用的修复方法不包括
A. 锤造金属全冠
B. 塑料全冠
C. 铸造金属全冠
D. 金属烤瓷全冠
E. 金属树脂联合冠
Laws that punish parents for their little children's actions against the laws get parents ______.
A. worried
B. to worry
C. worrying
D. worry
男,58岁。上颌牙列缺失4年,下颌牙列无缺损,曾两次以塑料为基托的上颌全口义齿修复,均使用不到一年而断裂,要求第三次修复。应选用制作基托的最佳材料是
A. 铜基合金
B. 金属丝增强基托
C. 甲基丙烯酸甲酯
D. 18-8铬镍不锈钢
E. 硬质钴铬合金
I failed in the final examination last term and only then ______ the importance of studies.
A. I realized
B. I had realized
C. had I realized
D. did I realize