27.有關局部活動義齒金屬支架(metal framework)之製作,下列何者不需要成型封凹(shaped
blockout)?
(A)固位鉤臂(retentive clasp arm)
(B)拮抗鉤臂(reciprocal clasp arm)
(C)阿克斯牙鉤臂(Akers clasp arm)
(D)主連接體(major connector)
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統計: A(13), B(16), C(11), D(199), E(0) #1035198
統計: A(13), B(16), C(11), D(199), E(0) #1035198