Diagnostic accuracy of different imaging modalities in detection of proximal caries

The purpose of this study was to assess the in vitro diagnostic ability of visual inspection, film, charge-coupled device (CCD) sensor, photostimulable phosphor (PSP) sensor and cone beam CT in the detection of proximal caries in posterior teeth compared with the histological gold standard. Visual i...

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Bibliographic Details
Published in:Dento-maxillo-facial radiology 2010-12, Vol.39 (8), p.501-511
Main Authors: Senel, B, Kamburoglu, K, Uçok, O, Yüksel, S P, Ozen, T, Avsever, H
Format: Article
Language:English
Subjects:
Bicuspid - pathology
Cone-Beam Computed Tomography
Dental Caries - diagnosis
Dentistry
Humans
Image Enhancement - instrumentation
Molar - pathology
Observer Variation
Photography, Dental - instrumentation
Radiography, Dental - methods
Radiography, Dental, Digital
Reference Standards
Reproducibility of Results
Semiconductors
Sensitivity and Specificity
Statistics, Nonparametric
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Summary:The purpose of this study was to assess the in vitro diagnostic ability of visual inspection, film, charge-coupled device (CCD) sensor, photostimulable phosphor (PSP) sensor and cone beam CT in the detection of proximal caries in posterior teeth compared with the histological gold standard. Visual inspection, film, CCD, PSP and cone beam CT images were used to detect proximal caries in the mesial and distal surfaces of 138 teeth (276 surfaces). Visual inspection and evaluation of all intraoral digital and conventional radiographs and cone beam CT images were performed twice by three oral radiologists. Weighted kappa coefficients were calculated to assess intra- and interobserver agreement for each image set, and scores were compared with the histological gold standard using receiver operating characteristic (ROC) analysis to evaluate diagnostic ability. Intraobserver kappa coefficients calculated for each observer for each method of detecting caries ranged from 0.739 to 0.928. Strong interobserver agreement ranging from 0.631 to 0.811 was found for all detection methods. The highest Az values for all three observers were obtained with the cone beam CT images; however, differences between detection methods were not statistically significant (P > 0.05). Visual inspection, film, CCD, PSP plates and cone beam CT performed similarly in the detection of proximal caries.
ISSN:0250-832X
1476-542X
DOI:10.1259/dmfr/28628723