27.拔牙造成上顎竇穿孔後,立刻將牙根吸出,較適合使用下列何種手術處置?
(A)Caldwell Luc operation+palatal pedical flap
(B)Caldwell Luc operation+antrostomy
(C)Palatal pedical flap
(D)Caldwell Luc operation

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統計: A(21), B(4), C(40), D(15), E(0) #1037791