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A comparison of perceived diagnostic image quality in direct digital panoramic images between standard and advanced external GOP image processing

Journal article
Authors B. Svenson
Magnus Båth
R. Karlsson
B. Persson
Published in Acta Odontologica Scandinavica
ISSN 0001-6357
Publication year 2019
Published at Institute of Clinical Sciences, Department of Radiation Physics
Language en
Keywords Adaptive processing, radiography, panoramic, radiography, image enhancement, digital dental, anatomical structures, dental radiography, dose reduction, software, caries, film, enhancement, viewdex, system, Dentistry, Oral Surgery & Medicine
Subject categories Radiological physics


Objective: The objective of the present study was to study the effect of adaptive image processing (GOP processing) on the visibility of anatomical structures in direct digital panoramic images. Material and methods: The study comprised panoramic images of 50 consecutive adult individuals aged 18-60 years. Nine dentists working with dental radiology compared the structural image quality of all standard-processed and GOP-processed panoramic images for six anatomical structures, using a six-point scale for visual grading characteristics analysis. Results: For all anatomic structures a statistically significant difference in favour of the GOP was found. Conclusions: The present study shows that it is possible to improve perceived diagnostic image quality of direct digital panoramic radiography using GOP technology compared to the manufacturers' standard processing. Manufacturers' image-processing programs can be further developed, as there is a possibility of improving the perceived diagnostic content of an image with external processing.

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