Short teeth with blunted roots appear on the image when
A) the vertical angulation is excessive.
B) the vertical angulation is insufficient.
C) the horizontal angulation is incorrect.
D) there is a cone-cut.
Correct Answer:
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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
Q13: With _,images appear stretched and distorted.
A)film creasing
B)film
Q14: When the occlusal plane appears tipped or
Q15: The cause of an excessive margin of
Q16: When the distal surfaces of the canines
Q17: A cone-cut occurs when
A)the receptor is underexposed.
B)the
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