Accuracy of high definition near infrared transillumination camera in detection of hidden proximal caries

Citation:
Edrees, A., O. Hassanein, O. Shaalan, and A. Yassen, "Accuracy of high definition near infrared transillumination camera in detection of hidden proximal caries", Journal of Clinical and Experimental Dentistry, vol. 15, issue 1, no. 1, pp. e1–e8, 2023.

Abstract:

Background: Early caries detection became mandatory in modern dentistry. However, the traditional methods in caries detection had many limitations. Hence, a novel approach based on Near Infrared technology was introduced to overcome such limitations. Material and methods: Proximal surfaces of 102 posterior teeth from 36 adult participants who fulfilled the eligibility criteria were assessed by two examiners using three diagnostic methods. Teeth were examined visually according to the criteria of the International Caries Detection and Assessment System (ICDAS-II) then examined by bitewing digital radiograph (BW) and near infrared light transillumination (NIRT) camera (Vista Proxi iX HD smart). Inter and intra observer agreements were assessed using Kappa test. Diagnostic accuracy parameters and Area Under the ROC curve (AUROC) with 95% confidence interval (95% CI) were evaluated for the different caries assessment methods. Results: The results of inter-observer agreement showed an excellent agreement in the different groups. There was a statistically significant difference in the score distribution between ICDASII and VistaCam modalities (P-value <0.05). While there was no statistically significant difference in the score distribution between bitewing radiography and VistaCam modalities (P-value >0.05). ROC curve analysis revealed that VistaCam when compared with ICDASII had sensitivity (99.0%), specificity (50.0 %), diagnostic accuracy (98.0%) and Area under the ROC curve (AUC) was 0.745 with 95% Confidence Interval (0.649 - 0.826). When VistaCam compared with bitewing radiography, it showed sensitivity (100.0%); specificity (40.0%), diagnostic accuracy (97.1%) and AUC (0.700) with 95% confidence interval (0.601 - 0.787). Conclusions: NIRT based diagnostic modality is a promising method for detection of hidden proximal lesions overcoming the hazards of radiograph. Key words:Bitewing radiography , ICDAS II , Near-infrared transillumination, proximal caries, VistaCam® iX Proxi.

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