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      • 치과 임상기관별 치과 진료용 의자의 세균 수 비교

        황금빛,성유경,유아련,이은영,정지영,현수정,서미화,김지연,전현선 한국치위생감염관리학회 2015 한국임상치위생학회지 Vol.3 No.2

        The aim of the study was to compare of bacterial counts on dental unit chairs among various dental clinical institutions. A total of 9 frequently used unit chairs from W University Hospital, Y University dental hygiene laboratory, local clinic A, B were chosen. Bacterial samples were collected from three parts (spittoon, 3-way syringe handle, bracket table) of each unit chair and then incubated for 48 hours at 37℃ after spreading on BHI agar. We measured the bacterial counts using CFU unit. Kruskal-Wallis and Man Whitney tests were utilized to compare the difference among multiple groups and two groups, respectively using SPSS Statistics Program version 21.0 (p<0.05). The median of bacterial counts in spittoon from local clinics was 7535.00CFU/㎖ which was the highest among all groups. The median score of the W University hospital, The Y University dental hygiene laboratory, and local clinics were 496.17 CFU/㎖, 53.08 CFU/㎖, and 3261.42 CFU/㎖, respectively. According to the result, p-value among groups was 0.034 and it showed statistically significant (P<0.05). Proper surface disinfection is necessary to all institutions. Health care providers should be aware of the importance of systematic surface disinfection in dental environment. Guideline should be established as soon as possible to ensure efficient and practical surface disinfection.

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