牙醫學(五)（包括全口贗復學、局部贗復學、牙冠牙橋學、咬合學等科目及其相關臨床實例與醫學倫理）題庫下載題庫

Although a bar clasp arm will usually be longer than a circumferential clasp arm, its flexibility will be less because its half-round form lies in several planes, which prevents its flexibility from being proportionate to its total length.