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KMID : 0358920130400040268
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Journal of the Korean Academy of Pedodontics
2013 Volume.40 No. 4 p.268 ~ p.273
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The Effectiveness of Clinical Sterilization Methods in Dental Air/water Syringes
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Shin Se-young
Yang Yeon-Mi
Kim Mi-Ah
Kim Jae-Gon
Baik Byeong-Ju
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Abstract
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This study aims to investigate contamination level and effective clinical disinfection methods of dental air/water syringes (AWS) by using microbial incubation. This study used AWS of ten dental unit chairs of Hospital. Total 180 samples were obtained. There are six groups of samples: non-sterilized (group 1), sanitized with wet-gauze (group 2), sanitized with 78% ethanol sponge for 10 seconds (group 3), sanitized with 78% ethanol sponge for 20 seconds (group 4), sanitized with 1 : 100 diluted High Level Disinfectant (group 5), autoclaved (group 6). Group 1 and 2 showed statistically significant level of CFUs than Group 4, 5 and 6 (p < 0.05). Group 4, 5 and 6 did not show any noticeable CFU. Sanitizing AWS tips with ethanol and High level Disinfectant proves to be a useful and practical method for preventing cross-infections.
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KEYWORD
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Dental air/water syringe, Sterilization methods, Microbial contamination
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