Which of the following is not a shadow-casting principle?
A) Use the largest possible source of radiation (focal spot).
B) The tooth should be as far as possible from the source of radiation.
C) The tooth and image receptor should be as close together as possible.
D) The tooth and image receptor should be parallel to each other.
A
Explanation: A) The smallest focal spot of radiation should be selected.
B) The smallest focal spot of radiation should be selected.
C) The smallest focal spot of radiation should be selected.
D) The smallest focal spot of radiation should be selected.
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