问题
单项选择题 A1/A2型题
关于氟牙症的描述不正确的是（）。
A.光镜观察釉基质有缺陷
B.受害区柱间发育不全或完全消失
C.严重者釉质有缺损且有色素沉着
D.透射电镜下观察与正常釉质不同
E.氟牙症者少发生龋
答案
参考答案：D
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关于氟牙症的描述不正确的是（）。
A.光镜观察釉基质有缺陷
B.受害区柱间发育不全或完全消失
C.严重者釉质有缺损且有色素沉着
D.透射电镜下观察与正常釉质不同
E.氟牙症者少发生龋
参考答案：D
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