Different image processing methods such as contrast and brightness adjustment, histogram equalization, and noise reduction have been evaluated in various studies. All processes that can increase the quality of, save, or in some way, modify digital images are recognized as acceptable processing operations. 1Ī photostimulable phosphor (PSP) system has been reported to be comparable with three different charge-coupled device (CCD) systems 2 and conventional film 3 in the detection of approximal caries. Further, the obtained images can be electronically transferred to other healthcare providers without any alteration of the original image quality. Digital imaging modalities eliminate chemical processing and hazardous waste materials. The use of this imaging method may improve the diagnosis of carious lesions. Intraoral digital radiography has been used widely in the field of dentistry.
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