retake

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retake

[rē′tāk]
the repeat of a radiograph because of inadequate technical quality, patient motion, mispositioning of the body part, or equipment malfunction.
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Table 1 illustrates the number of retakes that occurred for bitewing and periapical radiographs with both PSP and direct sensors.
The next most common cause of bitewing retakes was missing bone level for direct sensors and collimator cutting for PSP.
Table 4 contains information on the errors that necessitated retakes for PSP and direct sensors when taking periapical radiographs.
With this in mind, an important part of applying ALARA to retakes is to always strive to reduce the number of retakes in each workplace.
Students appeared to have equal difficulty taking periapical and bitewing images, with more retakes required when using direct sensors rather than PSP (clinical observation).
It was the main cause of retakes for both PSP and direct sensors in bitewings, accounting for 57.
Image receptor misplacement was also the second most common cause for periapical retakes (9.
For example, image receptor misplacement is a common cause of retakes that should be addressed by radiology instructors.
By identifying the common errors made using digital systems, staff training can be specifically targeted to reduce errors, retakes, and thus client exposure.
Re-exposure rates and number of retakes by technique and image type Image type Radiographic Number of Retake rate technique retakes by image type (%) Bitewing PSP (plates) 36 2.
When a radiograph is determined to be non-interpretable and a retake is performed, the client is exposed to twice the amount of radiation than if the retake had not been required.