61.下列那一塊咀嚼肌是主要參與下巴前突(protrusion)動作?
(A).顳肌(temporalis muscles)
(B).外翼肌(lateral pterygoid muscles)
(C).下頜舌骨肌(mylohyoid muscles)
(D).頦舌骨肌(geniohyoid muscles)
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統計: A(187), B(1197), C(352), D(205), E(0) #2969905
統計: A(187), B(1197), C(352), D(205), E(0) #2969905