A large radiopacity is seen on the middle of the panoramic film. Identify the cause of this appearance:
A) patient was slouched in the unit
B) patient's lead apron was placed too high
C) patient moved during the exposure
D) patient's chin was tilted up too far
Correct Answer:
Verified
Q3: Another application of tomography used in dentistry
Q9: The main disadvantage of panoramic films is:
A)increased
Q10: A panoramic unit has a narrowly collimated
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Q12: Static electricity artifacts appear as:
A)multiple black linear
Q14: All of the patient's _ must be
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Q17: Identify the error seen if a panoramic
Q17: The imaginary line that runs from the
Q18: The facial exposure from a panoramic radiograph
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