The recommended vertical angulation for exposing a mandibular canine periapical radiograph using the bisecting technique is
A) -10 degrees.
B) -15 degrees.
C) -20 degrees.
D) -5 degrees.
C
Explanation: A) To obtain a radiograph with an accurate representation of the mandibular canine the central ray of the x-ray beam should be directed toward the imaginary bisector between the long axis of the canine and the plane of the image receptor in the vertical dimension at -20 degrees.
B) To obtain a radiograph with an accurate representation of the mandibular canine the central ray of the x-ray beam should be directed toward the imaginary bisector between the long axis of the canine and the plane of the image receptor in the vertical dimension at -20 degrees.
C) To obtain a radiograph with an accurate representation of the mandibular canine the central ray of the x-ray beam should be directed toward the imaginary bisector between the long axis of the canine and the plane of the image receptor in the vertical dimension at -20 degrees.
D) To obtain a radiograph with an accurate representation of the mandibular canine the central ray of the x-ray beam should be directed toward the imaginary bisector between the long axis of the canine and the plane of the image receptor in the vertical dimension at -20 degrees.
You might also like to view...
You have assisted an adult patient with his epinephrine auto-injector. When giving a report to the emergency department nurse, you should inform her that ________ mg of epinephrine was administered
A) 0.15 B) 0.25 C) 0.30 D) 1
Which of these confirms adequate transcutaneous pacing is being delivered to the patient?
A) A pulse is palpable with each impulse B) A dot is superimposed over each QRS complex C) There is a spike followed by a wide, bizzare QRS. D) The patient's chest twitched with each impulse