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KMID : 0358920210480040405
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Journal of the Korean Academy of Pedodontics
2021 Volume.48 No. 4 p.405 ~ p.413
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Detecting of Proximal Caries in Primary Molars using Pen-type QLF Device
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Cho Hye-Jin
Kim Hyun-Tae
Song Ji-Soo
Shin Teo-Jeon
Kim Jung-Wook
Jang Ki-Taeg
Kim Young-Jae
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Abstract
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The purpose of this in vivo study was to assess the clinical screening performance of a quantitative light-induced fluorescence (QLF) device in detecting proximal caries in primary molars. Fluorescence loss, red autofluorescence and a simplified QLF score for proximal caries (QS-proximal) were evaluated for their validity in detecting proximal caries in primary molars compared to bitewing radiography. Three hundred and forty-four primary molar surfaces were included in the study. Carious lesions were scored according to lesion severity assessed by visual-tactile and radiographic examinations. The QLF images were analyzed for two quantitative parameters, fluorescence loss and red autofluorescence, as well as for QS-proximal. For both quantitative parameters and QS-proximal, the sensitivity, specificity and area under receiver operating curve (AUROC) were calculated as a function of the radiographic scoring index at enamel and dentin caries levels. Both quantitative parameters showed fair AUROC values for detecting dentine level caries (△F = 0.794, △R = 0.750). QS-proximal showed higher AUROC values (0.757 - 0.769) than that of visual-tactile scores (0.653) in detecting dentine level caries. The QLF device showed fair screening performance in detecting proximal caries in primary molars compared to bitewing radiography.
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KEYWORD
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Quantitative light-induced fluorescence, Proximal caries, Caries detection
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