Directing the central rays perpendicular to the plane of the image receptor and perpendicular to the long axes of the teeth describes which step of the paralleling technique? a. Placement b. Vertical...

Directing the central rays perpendicular to the plane of the image receptor and perpendicular to the long axes of the teeth describes which step of the paralleling technique?

a. Placement

b. Vertical angulation

c. Horizontal angulation

d. Point of entry