23. 下列何者可以防止嚴重旋轉下門牙矯正治療後復發(relapse)?①固定維持器(fixed retainer) ②過度矯正(overcorrection) ③環齒槽嵴上纖維切斷術(circumferential supra-crestal fibrotomy)
(A)僅①②
(B)僅①③
(C)僅②③
(D)①②③
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統計: A(28), B(230), C(8), D(715), E(0) #2409047
統計: A(28), B(230), C(8), D(715), E(0) #2409047