53.下列何者不屬於牙齦纖維群(gingival fiber groups)?
(A)gingivodental fibers
(B)circular fibers
(C)transseptal fibers
(D)alveolar crest fibers
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統計: A(13), B(12), C(33), D(121), E(0) #1037599
統計: A(13), B(12), C(33), D(121), E(0) #1037599