When determining vertical angulation,if the position-indicating device (PID)is positioned above the occlusal plane and the central ray is directed _______,the vertical angulation is termed _________.
A)upward;positive
B)downward;positive
C)upward;negative
D)downward;negative

Question

Quizplus · Accepted Answer

When determining vertical angulation,if the PID is positioned above the occlusal plane and the central ray is directed downward,the vertical angulation is termed positive.

When Determining Vertical Angulation,if the Position-Indicating Device (PID)is Positioned Above