12 下列那一種先天異常最容易合併有「多生牙」的表現?
(A)外胚層發育異常(ectodermal dysplasia)
(B)鎖骨顱骨發育不全(cleidocranial dysplasia)
(C)克魯遜氏症候群(Crouzon’s syndrome)
(D)單側小臉症(hemifacial microsomia)

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統計: A(2), B(12), C(1), D(0), E(0) #2736766