24.有關舌側板(lingual plate)之敘述,下列何者正確?①不需加鈎靠(rest)就具有間接固位體(indirect
retainer)的功能 ②下緣須做成半梨狀以增加硬度 ③牙齦溝處須做平行封凹(parallel blockout)
(A)僅①②
(B)僅②③
(C)僅①③
(D)①②③
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統計: A(58), B(396), C(197), D(189), E(0) #1741953
統計: A(58), B(396), C(197), D(189), E(0) #1741953