题目内容
50（）
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Since his blood pressure is much higher than it should be, his doctor insists that he should not smoke.
49（）
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
My assistant, who had carefully read through the instructions before doing his experiment, could not obtain satisfactory results.
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