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Clinical assessment of oral malodor using autofluorescence of tongue coating

 Eun-Song Lee  ;  Hyun-Kyung Yim  ;  Hyung-Suk Lee  ;  Jong-Hoon Choi  ;  Ji Hyun Lee  ;  Baek-Il Kim 
 Photodiagnosis and Photodynamic Therapy, Vol.13 : 323-329, 2016 
Journal Title
 Photodiagnosis and Photodynamic Therapy 
Issue Date
Adult ; Aged ; Biomarkers/analysis ; Breath Tests/methods* ; Female ; Halitosis/diagnostic imaging* ; Halitosis/metabolism ; Humans ; Male ; Middle Aged ; Odorants/analysis ; Optical Imaging/methods* ; Reproducibility of Results ; Sensitivity and Specificity ; Tongue/chemistry ; Tongue/diagnostic imaging* ; Tongue/drug effects* ; Young Adult
Diagnosis ; Halitosis ; Oral malodor ; Quantitative light-induced fluorescence-digital ; Red fluorescence ; Tongue coating
OBJECTIVES: The aim of this study was to evaluate whether a new method using quantitative light-induced fluorescence-digital (QLF-D) was appropriate for the diagnosis of oral malodor by quantifying the fluorescence of tongue coating. METHODS: This study examined 103 healthy subjects who have an oral malodor as a main complaint. The levels of oral malodor were measured by organoleptic scores (OLS) and volatile sulfur compound (VSC) levels. The fluorescent tongue coating images captured by QLF-D were quantified as the integrated fluorescence score (IF score) by multiplying the intensity and area of fluorescence. The correlations between the fluorescence parameters and OLS as well as VSC levels and the diagnostic accuracy of the IF score were evaluated. RESULTS: The IF score of tongue coating showed a significant positive correlation with the OLS (r=0.54, p<0.01) and the VSC levels (r=0.49, p<0.01). This score was significantly differed with the level of oral malodor (p<0.001), and its AUC was 0.72 in identifying the patient with definite oral malodor (≥OLS 2). CONCLUSIONS: A new method quantifying tongue coating fluorescence detected by QLF-D can be used to diagnose oral malodor and assess its severity in the clinical practice.
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2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
Yonsei Authors
김백일(Kim, Baek Il) ORCID logo https://orcid.org/0000-0001-8234-2327
이은송(Lee, Eun Song) ORCID logo https://orcid.org/0000-0002-2949-4783
이지현(Lee, Ji Hyun)
최종훈(Choi, Jong Hoon) ORCID logo https://orcid.org/0000-0003-3211-3619
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