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Validity and reliability of autofluorescence-based quantification method of dental plaque

Authors
 Sun-Young Han  ;  Bo-Ra Kim  ;  Hae-Youn Ko  ;  Ho-Keun Kwon  ;  Baek-Il Kim 
Citation
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, Vol.12(4) : 587-591, 2015 
Journal Title
PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
ISSN
 1572-1000 
Issue Date
2015
MeSH
Adult ; Dental Health Surveys/instrumentation* ; Dental Plaque/physiopathology* ; Dental Plaque Index ; Female ; Humans ; Male ; Middle Aged ; Optical Imaging/instrumentation* ; ROC Curve ; Reproducibility of Results
Keywords
Dental plaque ; Fluorescence ; QLF ; Quantification
Abstract
BACKGROUND: The aim of this study was to evaluate validity and reliability of autofluorescence-based plaque quantification (APQ) method.

METHODS: The facial surfaces of 600 sound anterior teeth of 50 subjects were examined. The subjects received dental plaque examination using Turesky modified Quigley Hein plaque index (QHI) and Silness & Löe plaque index (SLI). The autofluorescence images were taken before the plaque examination with Quantitative Light-induced Fluorescence-Digital, and plaque percent index (PPI) was calculated. Correlation between two existing plaque indices and the PPI of the APQ method was evaluated to find which level of plaque redness on tooth (ΔR) by the APQ method shows the highest correlation. The area under the ROC curve (AUC) analysis and intra- and inter-examiner reliability tests were performed.

RESULTS: The PPIΔR20 of the APQ method showed a moderate correlation with two existing plaque indices (rho of QHI=0.48, SLI=0.51). This methodology fell in the fair category and it had an excellent reliability. The APQ method also showed possibility to detect heavy plaque with fair validity.

CONCLUSIONS: The APQ method demonstrated excellent reliability, and fair validity, compared with 2 conventional indices. The plaque quantification described has the potential to be used in clinical evaluation of oral hygiene procedures.
Full Text
http://www.sciencedirect.com/science/article/pii/S1572100015300351
DOI
10.1016/j.pdpdt.2015.10.003
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
Yonsei Authors
Ko, Hae Youn(고혜연)
Kwon, Ho Keun(권호근)
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Kim, Bo Ra(김보라)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/156770
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