64.上顎咬合片中,黑色箭頭所指之橢圓形放射線透過性(radiolucent)影像為下列何種構造? (A)The nasopalatine canal (B)The nasolacrimal canal (C)The opening of the maxillary sinus (D)The nutrient canal
64.上顎咬合片中,黑色箭頭所指之橢圓形放射線透過性(radiolucent)影..-阿摩線上測驗