题目内容
急性坏死性溃疡性龈炎牙龈的特征病损是
2022-03-29
A.牙龈增生常概盖牙冠的2/3以上
B.牙龈乳头红肿
C.牙龈线性红斑
D.牙龈鲜红肿大，松软脆弱，表面呈结节或分叶状
E.龈乳头和边缘龈的坏死
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