Assessing the Accuracy of Caries Diagnosis in Bitewing Radiographs Using Different Reproduction Media
Journal Title: Journal of Dentistry, Shiraz University of Medical Sciences - Year 2018, Vol 19, Issue 3
Abstract
Statement of the Problem: After introducing digital radiography, practitioners started reading radiographs from computer monitors; however, many still prefer hard-copy radiographs. Purpose: This study aimed to assess the possible superiority of either type of radiograph recording media (computer monitor, film, or paper) in diagnosis and perception of the depth of the cariogenic lesions. Materials and Method: Twenty digital bitewing radiographs, obtained from 200 posterior extracted teeth, were displayed on an LG monitor and printed on paper and film using Kodak printers. Two observers independently measured lesions depth on the images. Serial sections of teeth were obtained and the sections were evaluated by a stereomicroscope to determine the actual depth of cariogenic lesions. The efficacy of the each medium was assessed by determining its specificity and sensitivity in comparison with those of histological images. Weighted kappa coefficients and the ROC analysis were used for the statistical analysis. Results: Strong intra- and inter-observer agreements (0.818 to 0.958, 0.77 to 0.85) were found for all detection methods. The highest Az value was obtained with the monitor-displayed images (Az: 0.879); however, differences between detection methods were not statistically significant (p> 0.05). Conclusion: Monitor-displayed bitewing radiographs, paper, and film prints used in our study performed similarly in the detection of proximal caries.
Authors and Affiliations
Sadaf Adibi, Anita Amrollahi, Ali Dehghani Nazhvani, Najmeh Movahhedian
Keywords
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