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CHANGING NASAL AND ORAL FLORA WITH TIME IN THE STUDENTS
CHANGING NASAL AND ORAL FLORA WITH TIME IN THE STUDENTS Purpose: The aim of this present study was to determine whether flora changes due to clinical expose of students in the Dentistry School. Material and Methods: Culture samples of nose and throat were compared from students of first (n=52) and fift (n=52) grades at the Dentistry School, Ataturk Univerity, Erzurum. Results: Methicillin-resistant Staphylococcus aureus (MRSA), Methicillin-sensitive Staphylococcus aureus (MSSA), Methicillin-resistant coagulase-negative staphylococci (MRCNS), Methicillin-sensitive coagulase-negative staphylococci (MSCNS) , Klebsiella pneumoniae, Stenotrophomonas Maltophilia, and Enterobacter species from nasal cultures were determined as 3.8%, 9.6%, 32.7%, 65.4%, 5.8%, 0% and 0%, retrospectively in the first grade students compared to those 5.8%, 13.5%, 23.1%, 59.6%, 0%, 5.8%, and 1.9%, retrospectively in the fift grade students. On the other hand, only group A group beta hemolytic streptococci (AGBHS) and from throat cultures was determined as 30.8% in the 1 grade students compared to those 36.5% as well as 5.8% of Stenotrophomonas maltophilia in the 5 grade students. While 69.2% of first grade students had normal throat flora, 55.7% of fift grade students had normal throat flora. Proportions of MRSA and MSSA were increased as well as newly determination of Stenotrophomonas maltophilia and Enterobacter species while proportions of MRCNS and MSCNS were decreased as well as not determined of Klebsiella pneumoniae in the nasal colonizations of fift grade students with clinical exposure. Also, proportion of AGBHS was increaased as well as newly determination of Stenotrophomonas maltophilia in the throat colonizations of fifth grade students with clinical exposure. Conlusion: It could be concluded that microbial load was increased in the dentistry student with clinical exposure due to aerosol transmission. Preventive approaches should be considered in the dental clinics.