21 從頰側面觀察下顎第一小臼齒牙冠,下列何者正確?
(A)外形呈現四方形
(B)近心咬合斜坡(mesioocclusal slope)比遠心咬合斜坡(distoincisal slope)短
(C)近心咬合斜坡(mesioocclusal slope)比遠心咬合斜坡(distoincisal slope)長
(D)近心咬合斜坡(mesioocclusal slope)與遠心咬合斜坡(distoincisal slope)等長
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統計: A(1), B(102), C(17), D(4), E(0) #1155695
統計: A(1), B(102), C(17), D(4), E(0) #1155695