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국내 시판 일부 구강 양치액의 Streptococcus mutans 바이오필름 형성 억제 효과

Other Titles
 Inhibitory effects of several commercial oral rinses on Streptococcus mutans biofilm formation 
 이은송  ;  강시묵  ;  김은우  ;  권호근  ;  김백일 
 Journal of Korean Academy of Oral Health (대한구강보건학회지), Vol.35(3) : 289-296, 2011 
Journal Title
Journal of Korean Academy of Oral Health(대한구강보건학회지)
Issue Date
biofilm ; inhibitory effect ; oral rinses ; Streptococcus mutans
Objectives. The aim of this in vitro study was to evaluate the inhibitory effects of several commercially available antibacterial
oral rinses on S. mutans biofilm formation.
Methods. In this study, four commercial oral rinses produced in Korea containing different antibacterial substances (benzethonium
chloride, cetylpyridinium chloride, chlorhexidine, and essential oil) were selected for assessment. Sterile distilled water and 0.1%
chlorhexidine solution were used as a negative and a positive control, respectivery The planktonic S. mutans (107 CFU/ml) was
mixed with the experimental oral rinses for 1 minute and the live cells were counted as a colonies forming unit (CFU). Also,
the antibacterial effect of oral rinses were tested by a S. mutans biofilm model with the artificial saliva, THYE medium, and
hydroxyapatite (HA) discs. The S. mutans biofilm was formed on an HA disc coated with artificial saliva for 64 hours. The medium
was replaced every 24 hours, and the cultured biofilm was treated with each oral rinse for either 1 or 5 minutes, 3 times a day
for two days. Also, the number of live cells in the biofilm were counted and denoted as CFU.
Results. All four commercial oral rinses elicited significant antibacterial effects on planktonic S. mutans, showing more than 99%
of CFU reduction. However, only Hexamedine oral rinse primarily composed of chlorhexidine exhibited a significant antibacterial
effect on S. mutans biofilm.
Conclusions. The antibacterial effects of the commercial oral rinses were less pronounced in biofilm than in the planktonic cells,
and they varied among different products.
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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) > Others (기타) > 1. Journal Papers
Yonsei Authors
Kang, Si-Mook(강시묵) ORCID logo https://orcid.org/0000-0003-2341-3636
Kwon, Ho Keun(권호근)
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Kim, Eun U(김은우)
Lee, Eun Song(이은송) ORCID logo https://orcid.org/0000-0002-2949-4783
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