Assessment of the subjective image quality in the digital panoramic radiography at a reduced tube current level
DOI:
https://doi.org/10.32828/mdj.v3i4.657Keywords:
Keyword:-Digital panoramic radiography, tube current (mA).Abstract
To assess the subjective image quality in digital panoramic radiograph, when the
tube current level (mA) is reduced.
By Dimax 3 digital planmeca x-ray machine two digital panoramic projections can
obtained for a dry skull , the first projections was performed at standard exposure
setting , the tube current level (mA) was reduced in the second exposure by 25% ,
50% , and 75% respectively . 10 observers evaluated both projections for the
anatomical landmarks which are commonly appearing in the panoramic radiograph.
Radiographs taken at the reduced (mA) level of 75% had highly statistically
significant inferior score P<0.0001 for anatomical details.
At reduced tube current level (mA), radiographs had inferior subjective image quality,
but a reduction in tube current level (mA) of approximately 50% is accepted.
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