When the Periapical Radiographs Show the Occlusal Surfaces of the Teeth

Multiple Choice

When the periapical radiographs show the occlusal surfaces of the teeth what is the cause of this error with the bisecting technique?

A) Inadequate vertical angulation
B) Excessive vertical angulation or poor occlusal plane orientation
C) The patient's head has tipped away from the proper sagittal plane
D) Inadequate vertical angulation and the patient's head has tipped away from the proper sagittal plane