问题
单项选择题
患者女,33岁,因左下牙肿痛不适,查体:楔状缺损,4探及穿髓孔,叩(++),Ⅰ度松动
楔状缺损的病因可能是()
A.细菌作用
B.牙颈部应力集中
C.不良刷牙习惯
D.A+C
E.B+C
答案
参考答案:E
患者女,33岁,因左下牙肿痛不适,查体:楔状缺损,4探及穿髓孔,叩(++),Ⅰ度松动
楔状缺损的病因可能是()
A.细菌作用
B.牙颈部应力集中
C.不良刷牙习惯
D.A+C
E.B+C
参考答案:E
用方框里所给出单词的适当形式填空,使文章通顺、连贯、合理(每词限用一次)。 | |
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