15.上顎全口義齒最終印模(final impression)前,會在客製化模托(custom tray)上打洞(vent holes), 下列何者為適當的打洞位置?①粗隆(tuberosity) ②中腭縫(midpalatine suture) ③門齒乳突(incisive papilla) ④皺摺區(rugae area)
(A)①②
(B)③④
(C)①③
(D)②④

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統計: A(2), B(0), C(2), D(6), E(0) #3974574