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http://dx.doi.org/10.5933/JKAPD.2022.49.1.65

Assessment of the Caries Detection Ability of Quantitative Light-induced Fluorescence (QLF) in Primary Teeth in vitro  

Cho, Kyung Hyun (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
Kang, Chung-Min (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
Jung, Hoi-In (Department of Preventive Dentistry & Public Oral Health, College of Dentistry, Yonsei University)
Lee, Tae Yang (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
Song, Je Seon (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.49, no.1, 2022 , pp. 65-75 More about this Journal
Abstract
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.
Keywords
Dental caries; Diagnosis; Primary teeth; Quantitative light-induced fluorescence; Micro-CT; Radiography;
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