27.可撤式局部義齒的直接固位體(direct retainer),下列何者最不影響美觀?
(A)槓鈎(bar clasp)
(B)冠內附連體(intra-coronal attachment)
(C)鍛製金屬線牙鈎(wrought wire clasp)
(D)環周牙鈎(circumferential clasp)
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統計: A(34), B(814), C(38), D(47), E(0) #2042144
統計: A(34), B(814), C(38), D(47), E(0) #2042144