This CBCT unit type is fitted with an IIT/CCD (image intensifier tube/charge- coupled device). These results could be explained by the type of detector used in the investigation. Tom system had a lower diagnostic accuracy for the detection of caries than the intraoral modalities. However all the systems they used were evaluated using sensitivity and specificity parameters. Kodak Insight film and Digora- Fmx digital system) in the detection of approximal and occlusal caries. Similar result from a study using this CBCT system can be found in the study of Haiter- Neto et al. This indicates a lower diagnostic value of New. The differences between the Az for the CBCT system and for both intraoral modalities were significant. For approximal surfaces, the highest Az values were obtained from the PSP plate and conventional film. The surfaces of the teeth selected for the study mostly had incipient or superficial caries. In the present study, only teeth with no cavitation of either approximal or occlusal surfaces were investigated. A comparative study of the diagnostic accuracy of cone beam computed tomography and intraoral radiographic modalities for the detection of noncavitated caries.
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