Original Article

Comparison of the effectivity of handrubbing and handwashing on the number of bacterial colonization on clinical students at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara March-May 2018

Ahyar Riza , Abdullah Oes, Hendry Rusdy, Khairun Nisah

Ahyar Riza
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara, Medan, Indonesia. Email: ahyar.riza@usu.ac.id

Abdullah Oes
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara, Medan, Indonesia

Hendry Rusdy
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara, Medan, Indonesia

Khairun Nisah
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara, Medan, Indonesia
Online First: August 01, 2019 | Cite this Article
Riza, A., Oes, A., Rusdy, H., Nisah, K. 2019. Comparison of the effectivity of handrubbing and handwashing on the number of bacterial colonization on clinical students at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara March-May 2018. Journal of Dentomaxillofacial Science 4(2): 105-108. DOI:10.15562/jdmfs.v0i0.813


Objective: To compare handrubbing and handwashing effectivity on total bacteria count on clinical students at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Sumatera Utara March - May 2018.

Material and  Methods: This is an experimental study with pre-test pos-ttest group design carried out by purposive sampling technique. In this study, sample were divided into 2 groups and each consist of 20 people which are handrubbing and handwashing groups. Bacterial samples were obtained by placing the right hand in a container that contain NaCl 0.9% solution for 1 minute. Samples were then grown in nutrient agar plate and incubated at 37°C for 48 hours. The culture results were calculated using the colony counter tool.

Results: There is a significant difference before and after handrubbing with significance 0.00 (P<0.05) and before and after handwashing with significance 0.001 (p<0.05) in reducing bacterial colonization in hand with. However, there is no significant association between handrubbing and handwashing method in reducing the number of bacterial colonization with a significance number of 0.892 (p> 0.05).

Conclusion: There is no significant differences between handrubbing and handwashing in reducing the number of bacterial colonization.

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