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02 Dec 2022 (Vol 45 , Iss 10 )

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30 Nov 2022 (Vol 45 , Iss 09 )

Journal ID : TMJ-27-10-2021-10746
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Title : Distribution and antimicrobial resistance of bacterial pathogens isolated from dental plaques

Abstract :

The present survey was aimed to assess the distribution and antimicrobial resistance of bacterial strains isolated from dental plaque samples. Three-hundred individuals were selected for this survey. Individuals with dental plaques were included, and those who had received antimicrobial options or antibacterial mouthwashes were excluded. One-hundred and eighty individuals had the inclusion conditions. All swabs were cultured and then assessed by biochemical tests. Antimicrobial resistance was determined using disk diffusion. The mean age of the individuals was 53.9 years, with a male to female ratio of 115/65. The most commonly isolated bacteria were alpha-hemolytic Streptococcus (88.88%), Eenterobacter cloacea (33.33%), and Staphylococcus aureus (19.44%). Distribution of Helicobacter pylori (7.77%), Eescherichia coli (5.55%), and Pseudomonas aeruginosa (3.33%) were lower than other isolated bacteria. Resistance rages of bacteria were recorded between 14.28% to 91.87%. the highest resistance rate was found toward tetracycline, ampicillin, penicillin, gentamicin, and amoxicillin. Streptococcus isolates harbored the highest resistance rate toward tetracycline (91.87%), penicillin (88.75%), ampicillin (87.50%), amoxicillin (84.37%), and gentamicin (63.75%). E. cloacea isolates harbored the highest resistance rate against tetracycline (83.33%), penicillin (63.33%), ampicillin (58.33%), amoxicillin (50%), and rifampin (45%). S. aureus isolates harbored the highest resistance rate toward ampicillin (91.42%), tetracycline (85.71%), eruthromicin (85.71%), penicillin (85.71%), amoxicillin (85.71%), and rifampin (80%). Dental plaque role as bacterial reservoirs was determined. Vancomycin, linezolid, metronidazole, clarithromycin, and rifampin prescription may be useful therapeutic options for eradication of bacteria in dental plaque samples.

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