Noninvasive cross‐sectional imaging of proximal caries using swept‐source optical coherence tomography (SS‐OCT) in vivo
- 1 March 2013
- journal article
- research article
- Published by Wiley in Journal of Biophotonics
- Vol. 7 (7), 506-513
- https://doi.org/10.1002/jbio.201200210
Abstract
The aim of this study was to determine the diagnostic accuracy of swept‐source optical coherent tomography (SS‐OCT) in detecting and estimating the depth of proximal caries in posterior teeth in vivo. SS‐OCT images and bitewing radiographs were obtained from 86 proximal surfaces of 53 patients. Six examiners scored the locations according to a caries lesion depth scale (0–4) using SS‐OCT and the radiographs. The results were compared with clinical observations obtained after the treatment. SS‐OCT could detect the presence of proximal caries in tomograms that were synthesized based on the backscatter signal obtained from the proximal carious lesion through occlusal enamel. SS‐OCT showed significantly higher sensitivity and larger area under the receiver operating characteristic curve than radiographs for the detection of cavitated enamel lesions and dentin caries (Student's t ‐test, p < 0.05). SS‐OCT appears to be a more reliable and accurate method than bitewing radiographs for the detection and estimation of the depth of proximal lesions in the clinical environment.Keywords
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