66.依多倫多大學研發的Caries Risk and Preventive Needs Assessment, Mutans streptococci多少CFU/mL以下,屬於評分(rating)為0(low risk)?
(A)10,000
(B)1,000
(C)100
(D)10

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統計: A(226), B(213), C(180), D(49), E(0) #3282946

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Caries Risk and Pre...

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