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19 Cards in this Set
- Front
- Back
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Vertical overangulation results in what?
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Foreshortening of structures
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Vertical underangulation results in what?
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elongation of structures
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When you have incorrect horizontal angulation, what is the main detrimental result?
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Overlap of proximal contacts
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What is the 1 minor error?
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Some overlap (but otherwise acceptable)
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What needs to be done to avoid the patient putting their finger in their mouths like little babies?
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Use a film holder
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What did the patient do wrong that caused this error?
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Didn't bite on biteblock
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What is the error in this film?
Also, what structure is indicated by the yellow arrow? |
over angulation; malar process (aka zygomatic process of maxilla)
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The white streaks at the top indicate what error?
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Film bending
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The (over/under)angulation was caused by what mistake?
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underangulation; patient not biting on block
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This error, known as ___ is caused by what? (ignore the proximal overlap)
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Cone cutting; misalignment of BID with film.
(Note: there is some bad horizontal angulation as well, indicated by the overlapping contacts) |
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When the ring on the XCP unit is upside down, what error is common?
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Cone cutting
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What is blocking the lower area of the film, causing it to be unexposed?
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The thyroid collar
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What is the error?
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film bending
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The blurring in this image occurs how?
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movement of film, patient, or tube head
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What is wrong with the preparation of this film?
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The appliance was not removed first
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What was done incorrectly in the preparation of this patient?
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Their upper denture was not removed
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True or False, acrylic will not show up on a radiograph
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True
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What is the common error in these 3 images?
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The patient did not remove their glasses
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What structure is indicated by the orange circle?
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Nose ring
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