37 上顎主連接體(major connector)中何者易彎曲變形,會將受力集中於個別牙齒或牙弓局部區域?
(A)馬蹄形(horseshoe)
(B)腭桿(palatal bar)
(C)腭帶(palatal strap)
(D)全腭型(complete palate)

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統計: A(127), B(29), C(10), D(8), E(0) #900540