题目内容

深龋的临床表现为______

A. 遭受外界的物理、化学刺激无明显反应
B. 龋洞形成，酸甜冷热刺激痛，刺激去除后疼痛症状立即消失
C. 龋洞形成，冷热刺激痛，自发痛
D. 龋洞形成，冷热刺激反射痛
E. 龋洞形成，冷热刺激痛，食物嵌入痛，但无自发痛

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