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ARTICLE
Year : 2009  |  Volume : 7  |  Issue : 14  |  Page : 60-63

Qualitative and Quantitative Bacterial Analysis of Aerosols generated in the Dental Departments of Yenepoya Dental College, Mangalore


1 Dept. of Community Dentistry, , Yenepoya Dental College, Deralakatte, Mangalore - 575018, India
2 Dept. of Community Dentistry, Yenepoya Dental College, Deralakatte, Mangalore - 575018, India
3 Dept. of Comnumity Dentistry, Yenepoya Dental College, Deralakatte, Mangalore - 575018, India
4 Dept. of Microbiology, Yenepoya Dental College, Deralakatte, Mangalore - 575018, India

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In dentistry one of the common modes of disease transmission is through inhalation of aerosols or droplets containing pathogens. The aim and objectives of this study was to perform qualitative and quantitative bacterial analysis of dental aerosols before, during and after clinical procedures in multichair dental environments, and to compare the consequent findings. The study was performed by collecting aerosol samples from the respective dental departments by placing the culture media plates 2 feet away from the patient's mouth, before, during and after clinical procedures. The samples were incubated aerobically at 37΀C for 48 hrs. Bacterial colony counting was performed and expressed as colonies per media plate (C/plate). The results revealed three main organism types (S. Epidermidis; S. Aureus; Diphtheroids) followed by other species. The largest bacterial colony counts were seen in the periodontics department, and the least count in the department of prosthodontics. t-test carried out to see if any significant difference existed in the colony counts between the various departments failed to demonstrate significant variations. The data from the present study confirms a potential transmission route for infectious agents in a multichair dental environment and supports the importance of protecting against cross infectious agents contained in dental aerosols.


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