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
Answer is B. The radiopacity of zygoma is usually superimposed on the roots of 1st and 2nd maxillary molars, but not on the roots of 3rd molars.