Each of the following statements regarding horizontal angulation is correct EXCEPT one. Which one is the EXCEPTION?
a. Contact points should appear open or separate from each other on the radiograph.
b. The central ray should be directed parallel to the curvature of the arch.
c. Overlapped contact points result when incorrect horizontal angulation is used.
d. Horizontal angulation is the positioning of the central ray in a side-to-side plane.
b. The central ray should be directed perpendicular to the curvature of the arch, through the contact points of the teeth.
You might also like to view...
You forgot to apply oxygen to a patient with severe pain from a possible broken ankle. You know you should have administered the oxygen, but you know that your patient was not harmed by you not remembering it. Which of the following would be appropriate?
A) Write that your patient refused when you tried to give her oxygen. B) Add an addendum stating that you got busy and forgot to deliver oxygen. C) Record that you administered two liters of oxygen by nasal cannula. D) State that the patient did not require oxygen since her breathing was fine.
Nutritional elements that help replace and repair worn-out tissue are
vitamins proteins carbohydrates minerals fats