製作活動局部義齒金屬支架(metal framework)過程中,最正確的製作程序為何?①析量與設計(survey and design) ②蠟型雕刻(waxing) ③複製及表面處理(duplication and beewax) ④封凹及緩壓(blockout and relief) ⑤鑄道與包埋(spruing and investing)。接著→燒除及鑄造(burnout and casting)→磨光與完成(polishing and finishing)
A①→④→③→②→⑤正確答案
B③→④→①→⑤→②
C④→③→①→⑤→②
D③→①→④→②→⑤
答案與詳解
