The recommended vertical angulation for exposing a maxillary premolar periapical radiograph
using the bisecting technique is:
a. +20 degrees
b. +30 degrees
c. +40 degrees
d. +45 degrees
b. To obtain a radiograph with an accurate representation of the maxillary premolar 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 +30 degrees.
Health Professions
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