50()
A. always
B. nor
C. also
D. still
Since his blood pressure is much higher than it should be, his doctor insists that he should not smoke.
49()
A. floor
B. door
C. window
D. ceiling
某患者因进食时咬到沙石后,右上第一磨牙近中舌尖劈裂缺损,牙本质外露,但未露髓,金属烤瓷全冠修复。半年后患牙出现自发性疼痛,冷热刺激疼痛加重。最可能的诊断为
A. 急性牙髓炎
B. 慢性牙髓炎
C. 慢性根尖周炎
D. 咬合创伤
E. 牙本质过敏