49.下列那一構造與「礦質化不足」(hypomineralization)無關?
(A)瑞氏紋(striae of Retzius)
(B)歐文氏外形線(contour line of Owen)
(C)球間牙本質(interglobular dentin)
(D)湯姆士顆粒層(Tomes’ granular layer)
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統計: A(68), B(12), C(23), D(143), E(0) #2237852
統計: A(68), B(12), C(23), D(143), E(0) #2237852