25.下列那一種直接固位體(direct retainer)最具抗衡作用(reciprocation)?
(A)迴力牙鉤(back action clasp)
(B)反作用牙鉤(reverse action clasp)
(C)洛奇牙鉤(Roach clasp)
(D)阿克斯牙鉤(Akers clasp)

答案:登入後查看
統計: A(34), B(94), C(37), D(420), E(0) #1379278

詳解 (共 4 筆)

#6276290
抗衡作用(Reciprocation)...



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2.+Bar+clasp+%28Roach+clasp%2C+infrabulge%29+is+a+type+of+extracoronal+retainer+that+originates+from+the+denture+base+or+framework%2C+traverses+soft+tissue%2C+%26+approaches+the+tooth+undercut+area+from+a+gingival+direction.+%2A.jpg

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