4 下列解剖位置何者適合當做全口義齒之主要承壓區(primary stress-bearing area)? ① 上顎齒槽 (crest of alveolar ridge) ② 下顎齒槽嵴 ③頰棚(buccal shelf) ④皺摺(rugae)
(A) ①②③
(B)②③④
(C)①③
(D)②④

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統計: A(5), B(0), C(11), D(0), E(0) #2739654