73.下列環口 X 光片中,此病患有幾顆多生牙(supernumerary teeth)?
(A)0
(B)1
(C)2
(D)3
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統計: A(10), B(1), C(0), D(0), E(0) #3974552
統計: A(10), B(1), C(0), D(0), E(0) #3974552