Common Positioning Requirements for Panoramic Radiography State That the Midsagittal

Common positioning requirements for panoramic radiography state that the midsagittal plane be parallel to the floor. In addition, the Frankfort plane should be perpendicular to the floor.

A) both statements are true
B) both statements are false
C) the first statement is true;the second statement is false
D) the first statement is false;the second statement is true