Journal
SENSORS
Volume 21, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/s21051741
Keywords
dental caries; bitewing radiograph; quantitative light induced fluorescence; dental crack; diagnosis; X-ray
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By comparing and analyzing conventional examination with the QLF technique, this study aimed to present an optimal diagnostic protocol. It was found that QLF showed higher sensitivity in detecting occlusal dental caries and cracks compared to the conventional method. The QLF technique may be a useful adjunct tool for the detection of occlusal caries and peripheral cracks.
The aim of this study was to present an optimal diagnostic protocol by comparing and analyzing a conventional examination and the quantitative light-induced fluorescence (QLF) technique. Selected were 297 teeth of 153 patients to take QLF images and bitewing radiographs. Occlusal dental caries, proximal dental caries and cracks were evaluated and scored using QLF, X-ray and/or visual criteria. The sensitivity, specificity, and area under the curve (AUC) of a receiver operating characteristic analysis were calculated. Two fluorescence parameters (|Delta Fmax| and Delta Rmax) were utilized to evaluate the fluorescence pattern according to the severity of lesions based on QLF or X-ray criteria. QLF showed higher scores for detecting occlusal dental caries and cracks than the conventional method. Delta Rmax increased more clearly than Delta Fmax did with occlusal dental caries. The |Delta Fmax| values of occlusal dental caries, proximal dental caries and cracks showed good AUC levels (0.84, 0.81 and 0.83, respectively). The Delta Rmax of occlusal dental caries showed the highest AUC (0.91) and the Delta Rmax of proximal dental caries showed a fail level (0.59) compared to bitewing radiographs. The QLF image could visualize and estimate the degree of occlusal dental caries or cracks. Consequently, the QLF technique may be an adjunct tool to conventional methods for the detection of occlusal caries and peripheral cracks.
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