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Red fluorescence of Interdental plaque for screening of gingival health

Authors
 Hye-Jin Guk  ;  Eun-Song Lee  ;  Ui-Won Jung  ;  Baek-Il Kim 
Citation
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, Vol.29 : 101636, 2020 
Journal Title
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY 
ISSN
 1572-1000 
Issue Date
2020
Keywords
Interdental plaque ; Plaque-induced gingivitis ; Quantitative light-induced fluorescence technology ; Red fluorescence
Abstract
BACKGROUND: Pathogenic dental plaque with deteriorated bacterial homeostasis around the gingival margin induces gingivitis. This study evaluated the applicability of red fluorescence (RF) properties of interdental plaque in screening for gingival health status. METHODS: This cross-sectional study examined 178 teeth of 40 healthy subjects who had not lost both their first and second molars in at least one quadrant. Three groups (healthy, gingivitis, and periodontitis) were identified based on the periodontal health status (bleeding on probing, probing depth, clinical attachment loss) and plaque accumulation level (plaque index) in the interdental site between the first and second molars was evaluated. This interdental plaque between the first (distal surface) and the second molar (mesial surface) was collected using dental floss. A quantitative light-induced fluorescence (QLF) technology was used to assess RF emitted from the interdental plaque. The RF properties of the interdental plaque were quantified by fluorescence intensity (R/G value) and area (%). The RF variables were compared between the groups. RESULTS: The RF variables of the interdental plaque (R/G value and area) were significantly higher in the gingivitis and periodontitis group compared to the healthy group (p<0.0001, p=0.001), but there was no significant difference between the gingivitis and periodontitis groups. Significant correlations were identified between R/G value and bleeding on probing (r = 0.49, P < 0.01) and between R/G value and visual plaque index (r = 0.59, P < 0.01) for each tooth. CONCLUSION: Interdental plaque obtained by flossing and its red fluorescence quantified by QLF technology could be used as a potential indicator of gingivitis.
Full Text
https://www.sciencedirect.com/science/article/pii/S1572100019305812
DOI
10.1016/j.pdpdt.2019.101636
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) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Lee, Eun Song(이은송) ORCID logo https://orcid.org/0000-0002-2949-4783
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/175489
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