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http://dx.doi.org/10.17135/jdhs.2017.17.2.116

Evaluation of Detection Ability of a Quantitative Light-Induced Fluorescence Digital Device for Initial Secondary Caries Lesion  

Kim, Young Seok (Department of Dental Hygiene, Kyungpook National University)
Publication Information
Journal of dental hygiene science / v.17, no.2, 2017 , pp. 116-122 More about this Journal
Abstract
The purpose of this study was to evaluate the detection ability of secondary caries using qunatitative light-induce fluorescence-digital (QLF-D) device. Twenty bovine teeth with cavity on surface were demineralized during 21 days for secondary caries lesion of cavity wall. After 21 days, cavity was filled using composite resin and cut the specimen in half with disc. Fluorescence loss of lesion on surface by time flow, cross sectional lesion, and lesion of filled or unfilled surface were analyzed using analysis software. ${\Delta}F$ (value of fluorescence loss) of the lesion on surface assessed by the QLF-D increased significantly over time up to 21 days. And ${\Delta}F$ value of lesion of filled surface is significantly lower than that of unfilled surface (p<0.001). ${\Delta}F$ of filled surface is 1.31 times of cross section lesion. The correlation of between ${\Delta}F$ of filled surface lesion and ${\Delta}F$ of cross section lesion was showed low agreement (0.026) and correlation of between ${\Delta}F$ of unfilled surface lesion and ${\Delta}F$ of cross section lesion was showed high agreement (0.613). In conclusion, secondary caries can be detected on surface using QLF-D. However, interference of fluorescence of filling material is the points to be especially considered for exact analysis of secondary caries lesion.
Keywords
Dental caries; Quantitative light-induced fluorescence;
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Times Cited By KSCI : 4  (Citation Analysis)
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