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KMID : 1004520200360010055
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Journal of Dental Rehabilitation and Applied Science
2020 Volume.36 No. 1 p.55 ~ p.60
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effect of quaternary ammonium compounds on microbial contamination levels in dental clinics
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Baik Sae-Yun
Park Youn-Jung
Choi Seung-Ho
Kim Hee-Jae
Kim Seong-Taek
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Abstract
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The aim of this study was to investigate the change of microbial contamination levels in the different areas and at the different time points after application of a quaternary ammonium compound (QAC) that has mechanical antimicrobial effect. The microbial contamination levels were measured in three different areas; unit chair handle, spit sink area and hand piece holder at different time points using adenosine triphosphate (ATP) monitoring system and ATP surface test kit. Hand piece holder showed the highest level of microbial contamination. In most of the clinics, QAC significantly reduced the levels of microbial contamination, and maintained antimicrobial activity for 4 to 6 months. QAC may be used effectively in dental clinics due to the duration of antimicrobial effect and the minimal exposure of chemicals and further studies are needed with large sample size.
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KEYWORD
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quaternary ammonium compounds (QAC), microbial contamination, ATP (adenosine triphosphate) monitoring system, dental clinic
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