20.Pantomography(panorex)的主要目的在於呈現:
(A)teeth及mandible
(B)nasal cavity及maxillary sinuses
(C)external acoustic canals及mastoids
(D)orbits及ethmoid sinuses
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統計: A(1106), B(116), C(118), D(47), E(0) #1050259
統計: A(1106), B(116), C(118), D(47), E(0) #1050259