To correct a dental image where apices do not appear,
A) make certain that no more than 3/4 inch of the receptor edge extends beyond the incisal-occlusal surfaces of the teeth.
B) the teeth being imaged must be firmly in contact with the bite-block.
C) increase the exposure time.
D) direct the x-ray beam through the interproximal spaces.
Correct Answer:
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Q1: To avoid overlapped contacts on a periapical
Q3: When overlapped contacts appear on a dental
Q4: Which of the following films would most
Q5: A thin radiolucent line appears on the
Q6: Which of the following choices may be
Q7: An unexposed film appears
A)clear.
B)black.
C)dark.
D)light.
Q8: An underexposed receptor results from
A)insufficient exposure time.
B)inadequate
Q9: Long,distorted teeth appear on the image when
A)the
Q10: To prevent a dropped receptor corner,
A)change the
Q11: To prevent underexposure,check and increase _ as
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