Radiology General fe5f3fe5 The radiopacity of zygoma is superimposed on roots of: A Premolars B 1st and 2nd maxillary molar C Maxillary 3rd molar D All of the above High-Yield Explanation The radiopacity of zygoma is usually superimposed on the roots of 1st and 2nd maxillary molars, but not on the roots of 3rd molars.