Comparison of 70% alcohol and 2% glutaraldehyde effectiveness to the amount of bacterial colonies on the dental chair unit In Department of Oral and Maxillofacial Surgery Faculty of Dentistry University of Sumatera Utara

Hendry Rusdy, Darmayanti Siregar, Ahyar Riza, I. B. Siregar, N. M. Sari
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Abstract

Objective: Disinfection is an act to kill and eliminate all forms of microorganisms including spores with physical or chemical procedures. One of the goals of disinfection in the health sector is to prevent cross infection through microorganisms that are found in blood, saliva and dental plaque that can contaminate the work surface. Material and Methods: This is an experimental research with pretest-posttest design. This study was conducted on 10 dental chair unit and the number of bacterial colonies is observed before and after disinfection using 70% alcohol and 2% glutaraldehyde. Results: The results showed that the number of bacterial colonies experienced a statistically significant decrease after disinfection with 70% alcohol with mean value of 318.20±217.52 before and 11.20±17.29 after disinfection, while 2% glutaraldehyde decreased with mean value before 194.20±206.61 and after disinfection 2.20±2.28. Comparison of the difference in mean number of bacterial colonies between 70% alcohol group and 2% glutaraldehyde group did not show a significant difference (p =
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目的:消毒是通过物理或化学方法杀死和消灭包括孢子在内的各种形式的微生物的行为。卫生部门消毒的目标之一是防止通过血液、唾液和牙菌斑中可能污染工作表面的微生物进行交叉感染。材料与方法:采用前测后测设计的实验研究。本研究对10个牙科椅单元进行了研究,观察了70%酒精和2%戊二醛消毒前后的细菌菌落数量。结果:70%酒精消毒后细菌菌落数下降有统计学意义,消毒前平均值为318.20±217.52,消毒后平均值为11.20±17.29;2%戊二醛消毒前平均值为194.20±206.61,消毒后平均值为2.20±2.28。70%乙醇组与2%戊二醛组的平均菌落数比较,差异无统计学意义(p =
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审稿时长
16 weeks
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