70.Initial Miller class I-II recession defects,經施行coronally advanced flaps的術式後,可獲得約多少的牙根覆
蓋?
(A)10 %
(B)30 %
(C)70 %
(D)90 %
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統計: A(7), B(181), C(669), D(345), E(0) #1947393
統計: A(7), B(181), C(669), D(345), E(0) #1947393