Abdullah Mohammed

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In this study, a total of 45 samples were collected from the nasal cavity of biology healthy students that taking education in the 2012-2013 in Koya University, Faculty of Science and health, and 35 healthy workers that work in Mas cement factory were attending in this study. From this 45 healthy students seventeen (37.77%) of them had no growth isolated,(More)
OBJECTIVES The aim of this study was to determine the effect of ageing on the light intensity of quartz-tungsten-halogen (QTH) polymerization units in dental schools and dental clinics. MATERIALS & METHODS Two dental schools and multiple public health dental clinics were visited and the light intensity of curing units was assessed. The age, make, model(More)
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