53.主動萌牙(active eruption)主要原因為何?
(A)Contraction of periodontal ligament
(B)Recession of oral epithelial cells
(C)Splitting of enamel epithelial cells
(D)Recession of enamel epithelial cells

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統計: A(350), B(63), C(28), D(38), E(0) #1032708

詳解 (共 2 筆)

#4089489
active:牙齒往冠部長出,由PDL收...
(共 37 字,隱藏中)
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8
2
#2330188
A)為補償 incisal /occlu...
(共 30 字,隱藏中)
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5
2