23. 恆牙齒列中,有多少顆為繼生齒(succedaneous teeth)?
(A)12
(B)8
(C)20
(D)32
答案:登入後查看
統計: A(80), B(6), C(445), D(16), E(0) #1727711
統計: A(80), B(6), C(445), D(16), E(0) #1727711
詳解 (共 3 筆)
#6478855

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#5543592
32-(2小臼齒以及智齒)x4(四個象限)=20
32-(3x4)=32-12=20
32-(3x4)=32-12=20
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