Health  Vol.10 No.8 , August 2018
Advantage of Introducing Quantitative Light-Induced Fluorescence in School Dental Checkups
Abstract: Background: Caries detection in school oral examinations insufficient accuracy. Objective: To evaluate advantages of introducing quantitative light-induced fluorescence-digital (QLF-D) in school oral examinations. Methods: Experiment No. 1. Early demineralized lesions in the upper and lower incisors and canines were visually inspected by three dentists and by QLF-D. The numbers of tooth planes with early demineralized lesions were compared between the methods. Experiment No. 2. Approximal demineralized lesions in molars were assessed by visual inspection, x-ray imaging, and QLF-D. The numbers of tooth planes with demineralized lesions were compared among the methods. Experiment No. 3. Plaque distribution was evaluated by QLF-D and a traditional staining method. The ratio of the diameter of plaque to tooth crown in the tooth axis direction in each method was calculated. The results were evaluated by Pearson’s correlation coefficient analysis and Bland-Altman plot. Results: Experiment No. 1. The three dentists found 0.67 tooth planes on average. QLF-D found 22 tooth planes with early demineralized lesions in the same samples. Experiment No. 2. Fourteen approximal tooth planes of molars were found to have demineralized lesions by x-ray imaging. QLF-D detected 71.4% of the tooth planes out of the 14, whereas visual inspection found 7.1%. Experiment No. 3. The Pearson’s correlation coefficient for the evaluations of plaque distribution between the QLF-D and traditional staining methods was 0.77 (P < 0.001). No statistically significant systematic error was found through the Bland-Altman Plot analysis. Conclusion: The results support introduction of QLF-D for use in school dental examinations.
Cite this paper: Watanabe, K. , Sasabe, T. , Nakamura, A. , Eda, K. , Tanase, K. , Ikeda, H. , Ohata, N. , Minohara, Y. , Maki, K. and Watanabe, S. (2018) Advantage of Introducing Quantitative Light-Induced Fluorescence in School Dental Checkups. Health, 10, 1095-1106. doi: 10.4236/health.2018.108083.

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