56 活動局部義齒之上顎主連接體如為腭帶(palatal strap)時,為使邊緣密封,通常要做何處理?
(A)後障法(postdam)
(B)邊緣成形(border molding)
(C)珠緣(beading)
(D)加厚發音振動線(vibrating line)處
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統計: A(36), B(20), C(150), D(0), E(0) #902353
統計: A(36), B(20), C(150), D(0), E(0) #902353