【已刪除】44. According to the passage, cheaper dentures were available when _____.
(A) a model of the patient’s mouth could be taken to attach antificial procelain teeth
(B) artificial golden teeth could be attached to the patient’s mouth
(C) gold, silver, and ivory were no longer so commonly used
(D) implantations became standard procedures
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統計: 尚無統計資料
統計: 尚無統計資料