In this study, multi-view synthetic radiographs of patients generated from stationary intraoral tomosynthesis (sIOT) images were compared with standard bitewing (SBW) radiographs in terms of proximal tooth overlap and image quality. Patient sIOT images from a previous study were used to create seven synthetic radiographs with different viewing angles through specialized code. The proximal tooth overlap, contrast, contrast-to-noise ratio (CNR), and signal-to-noise ratio (SNR) were calculated for representative patient data sets. The synthetic radiographs had a minimum overlap of 0%, median overlap of 0%, maximum overlap of 14%, and interquartile range of 0%. The SBW radiographs had a minimum overlap of 13%, median overlap of 23.5%, maximum overlap of 49%, and interquartile range of 14.5%. The ratio of mean contrast, mean CNR, and mean SNR between the synthetic radiographs and the SBW radiographs were 3.81, 2.63, and 0.821 respectively. The synthetic radiographs had decreased proximal overlap and increased contrast and CNR compared to SBW radiographs. These results suggest that synthetic radiographs can reduce proximal overlap and improve contrast compared to SBW radiographs.
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