59 下圖中白色問號所指的為牙周韌帶的那一種構造?
(A)赫威氏上皮根鞘(Hertwig’s epithelial root sheath)
(B)馬拉塞氏殘留體(epithelial cell rests of Malassez)
(C)牙骨質結石(cementicle)
(D)無細胞無纖維牙骨質(acellular afibrillar cementum)
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統計: A(82), B(391), C(7), D(23), E(0) #1263894
統計: A(82), B(391), C(7), D(23), E(0) #1263894