31.乳齒早期黏連(ankylosis),不會出現下列何種現象?
(A)後繼齒提早萌出(early eruption of successory tooth)
(B)邊緣嵴差異(marginal ridge discrepancy)
(C)鄰接齒傾斜(tipping of adjacent teeth)
(D)黏連之乳齒正常脫落(normal exfoliation of ankylosed primary teeth)
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統計: A(797), B(10), C(15), D(189), E(0) #2626586
統計: A(797), B(10), C(15), D(189), E(0) #2626586