A. Perpendicular to the walls
B. Parallel to long axis of crown
C. 45° to the wall
D. None of the above
Correct Answer: 45° to the wall ✔
Last Updated: February 07, 2020
A. Perpendicular to the walls
B. Parallel to long axis of crown
C. 45° to the wall
D. None of the above
Correct Answer: 45° to the wall ✔
Last Updated: February 07, 2020