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Generational shift for clinical application of the QLF system for evaluating tooth wear

Authors
 Sang-Kyeom Kim  ;  Eun-Song Lee  ;  Baek-Il Kim 
Citation
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, Vol.50 : 104413, 2024-12 
Journal Title
PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
ISSN
 1572-1000 
Issue Date
2024-12
MeSH
Bicuspid ; Dentin ; Humans ; Molar ; Quantitative Light-Induced Fluorescence* ; Reproducibility of Results ; Tooth Wear*
Keywords
Biofluorescence ; Qraycam Pro ; Quantitative light-induced fluorescence ; Tooth wear
Abstract
Background: No study has quantitatively assessed tooth wear using a clinical quantitative light-induced fluorescence (QLF) system. This study aimed to compare fluorescence parameters (ΔFwear) between the research QLF system (QLF-D) and clinical QLF system (Qraycam Pro) and evaluate the validity of both systems in detecting dentin exposure from tooth wear.

Methods: Thirty-five human molars and premolars were collected. Two blinded examiners conducted evaluations. Images from QLF-D and Qraycam Pro were captured and analyzed by the first examiner to calculate ΔFwear, representing the maximum fluorescence intensity for occlusal wear. The stage of tooth wear was determined by the second examiner using the tooth wear index (TWI). The area of interest (AOI) was determined as the cusp without defects, such as caries or fractures. Only areas mutually agreed by both examiners were included in analysis. The Kruskal-Wallis test was conducted to assess differences in ΔFwear between two devices. ROC analysis evaluated the validity of both systems in determining dentin exposure using AUROC.

Results: Thirty-eight AOIs were analyzed. ΔFwear significantly increased with higher TWI scores. Median ΔFwear for TWI scores (0, 1, and 2) were 6.9 %, 10.3 %, and 24.8 %, respectively, for QLF-D, and 5.7 %, 7.7 %, and 23.9 %, respectively, for Qraycam Pro. No significant differences in ΔFwear were observed between QLF-D and Qraycam Pro for any TWI score. The AUROC for both systems was 0.95.

Conclusion: ΔFwear was comparable between QLF-D and Qraycam Pro and demonstrated high validity in detecting dentin exposure. These findings support the clinical application of the QLF for quantitative tooth wear assessment.
Full Text
https://www.sciencedirect.com/science/article/pii/S1572100024004502
DOI
10.1016/j.pdpdt.2024.104413
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
Yonsei Authors
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Kim, Sang-Kyeom(김상겸) ORCID logo https://orcid.org/0000-0002-6380-5039
Lee, Eun Song(이은송) ORCID logo https://orcid.org/0000-0002-2949-4783
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/201584
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