题目内容
当菌斑指数(PI)为2时,是指
2021-12-20
A.近龈缘区无菌斑
B.龋缘或邻面中等量菌斑
C.近龈缘区有薄的菌斑,可用探针尖刮出
D.龈沟内或龈缘区及邻面大量软垢
E.全面冠菌斑明显
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