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KMID : 0358920080350040628
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Journal of the Korean Academy of Pedodontics
2008 Volume.35 No. 4 p.628 ~ p.634
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DISTRIBUTION OF AIRBORNE BACTERIA BY HANDPIECE AEROSOL CONDITIO
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Ko Young-Han
Baik Byeong-Ju
Kim Jae-Gon
Yang Yeon-Mi
Shin Jeong-Geun
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Abstract
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In recent years, cross-contamination has become one of the noticeable issues in dental clinic. Two major routes of contamination are the direct-contamination through blood and oral secretion and the indirect-contamination through dental office equipments. Especially, air-contamination through air-floating pollutant in a confined space like hospital, and also contamination through aerosol ejected from high-speed handpiece in a dental office was interested. The purpose of this study was to understand risk of bacterial infection through aerosol from handpiece in a dental office, which will help the practitioner with prevention of contamination during dental treatment. The main findings are as follows. 1. In a comparative test, the group using handpiece has higher bacterial number than the group not using handpiece with significant statistical difference(P<0.01). 2. The group using handpiece with rubber dam has lower bacterial number than the group using handpiece
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KEYWORD
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Handpiece aerosol, Airborne bacteria, Rubber dam
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