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KMID : 0358920220490010065
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Journal of the Korean Academy of Pedodontics
2022 Volume.49 No. 1 p.65 ~ p.75
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Assessment of the Caries Detection Ability of Quantitative Light-induced Fluorescence (QLF) in Primary Teeth in vitro
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Cho Kyung-Hyun
Kang Chung-Min
Jung Hoi-In
Lee Tae-Yang
Song Je-Seon
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Abstract
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The aim of this study was to evaluate QLF (quantitative light-induced fluorescence) technology for the caries detection in primary teeth and validate the relationships between the cavity volume of carious lesions and QLF analysis results.
Total 125 tooth surfaces include 53 occlusal surfaces, and 72 proximal surfaces were investigated with the portable QLF device for detection of dental caries in primary molars. Micro-CT radiograph was also performed to classify carious lesions and calculate the cavity volume. QLF showed good accuracy and reliability (sensitivity 0.75 - 0.94, specificity 0.82 - 0.95, and AUROC 0.88 - 0.98) for the caries detection in primary teeth except ΔR average results of proximal caries which showed relatively low values. Statistically significant relationships were found between ΔF average, QS-Index and the cavity volume according to Spearman rank-order correlation coefficients (r = 0.805 - 0.832, p < 0.001). QLF detection method would be a harmless and reliable way for children to diagnose dental caries without the concern about radiation exposure.
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KEYWORD
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Dental carie, , Diagnosis, Primary teeth, Quantitative light-induced fluorescence, Micro-CT, Radiography
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