Failing to record the incisal or occlusal edges of the teeth on a periapical radiograph most likely results from an error made in which of the following steps?
A) Placement of the image receptor
B) Horizontal angulation
C) Vertical angulation
D) Centering the x-ray beam
C
Explanation: A) Excessive (too steep) vertical angulation will result in not recording the incisal/occlusal edges on the radiograph.
B) Excessive (too steep) vertical angulation will result in not recording the incisal/occlusal edges on the radiograph.
C) Excessive (too steep) vertical angulation will result in not recording the incisal/occlusal edges on the radiograph.
D) Excessive (too steep) vertical angulation will result in not recording the incisal/occlusal edges on the radiograph.
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