In vitro performance of the DIAGNOcam for detecting proximal carious lesions adjacent to composite restorations

To assess the accuracy of near-infrared-light transillumination (DIAGNO) compared to visual-tactile (VT) and radiographic (RA) evaluation of proximal carious lesions adjacent to composite restorations in vitro. Two hundred extracted posterior permanent human teeth with occluso-proximal composite res...

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Bibliographic Details
Published in:Journal of dentistry 2018-05, Vol.72, p.39-43
Main Authors: Elhennawy, Karim, Askar, Haitham, Jost-Brinkmann, Paul-Georg, Reda, Seif, Al-Abdi, Allam, Paris, Sebastian, Schwendicke, Falk
Format: Article
Language:English
Subjects:
Accuracy
Caries adjacent to restorations
Cavitation
Dental caries
Dental enamel
Dentin
Dentistry
Detection
DIAGNOcam
Diagnostic accuracy
Diagnostic systems
Enamel
I.R. radiation
In vitro methods and tests
Infrared radiation
Lesions
Light
Methods
Microradiography
Model testing
NILT
Sensitivity
Studies
Teeth
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Summary:To assess the accuracy of near-infrared-light transillumination (DIAGNO) compared to visual-tactile (VT) and radiographic (RA) evaluation of proximal carious lesions adjacent to composite restorations in vitro. Two hundred extracted posterior permanent human teeth with occluso-proximal composite restorations were allocated to 50 groups of four posterior teeth, and mounted in a pilot-tested diagnostic model in a dummy head. The teeth were independently assessed by two examiners. Transverse microradiography and visual assessment served as reference tests to detect any lesions (prevalence 24%) and cavitated lesions (18%), respectively, adjacent to restorations. Sensitivity, specificity, positive and negative predictive values and the area under the receiver-operating-characteristics curve (AUC) were calculated. To detect any proximal carious lesions adjacent to composite, the mean sensitivity/specificity were 0.63/0.95 for DIAGNO, 0.70/0.88 for RA when lesions radiographically extending into enamel and dentin were considered, 0.26/0.98 for RA when only lesions extending into dentin were considered, and 0.31/0.96 for VT. For cavitated lesions adjacent to proximal composite restorations, these values were RA (enamel and dentin) 0.84/0.88, RA (dentin) 0.34/0.99, DIAGNO 0.69/0.94 and VT 0.40/0.97. AUC did not differ significantly between RA and DIAGNO, while VT showed significantly lower values (p 
ISSN:0300-5712
1879-176X
DOI:10.1016/j.jdent.2018.03.002