The recommended vertical angulation for exposing a maxillary incisor periapical radiograph using the bisecting technique is
A) +20 degrees.
B) +30 degrees.
C) +40 degrees.
D) +45 degrees.
C
Explanation: A) To obtain a radiograph with an accurate representation of the maxillary incisor, 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 +40 degrees.
B) To obtain a radiograph with an accurate representation of the maxillary incisor, 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 +40 degrees.
C) To obtain a radiograph with an accurate representation of the maxillary incisor, 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 +40 degrees.
D) To obtain a radiograph with an accurate representation of the maxillary incisor, 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 +40 degrees.
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