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Prevalence of Staphylococcus aureus and methicillin resistant Staphylococcus aureus (MRSA) in the oral cavity.

Abstract：

OBJECTIVE:To assess the prevalence of Staphylococcus aureus and methicillin resistant Staphylococcus aureus (MRSA) in plaque and tongue samples from systemically healthy subjects with periodontal health, gingivitis or chronic periodontitis. METHODS:After screening 720 potentially eligible subjects, 154 systemically healthy participants were ultimately enrolled in the current study. Subgingival samples were taken from the first molars and the tongue and analyzed for the presence of S. aureus and MRSA by polymerase chain reaction (PCR), using primers and conditions previously described in the literature. In addition, samples were taken from deep periodontal pockets of chronic periodontitis patients. Statistical analysis was performed by applying non-parametric tests (Kruskal-Wallis for clinical parameters, and z-test with Bonferroni corrections for distributions of assessed parameters). All comparisons were set at the 0.05 significance level. RESULTS:S. aureus was detected in 18% of all participants and in 10% of the samples tested. No significant differences were found in its distribution among the three investigated groups (z-test for proportions with Bonferroni corrections, p>0.05). The mecA gene was not present in any of the S. aureus found. CONCLUSIONS:S. aureus can be found in the oral environment regardless of the periodontal conditions and therefore should be considered as a member of the transient flora not participating in periodontal pathology. Subgingival sites and tongue surfaces seem to be an unusual habitat of MRSA.

journal_name

Arch Oral Biol

journal_title

Archives of oral biology

authors

Koukos G,Sakellari D,Arsenakis M,Tsalikis L,Slini T,Konstantinidis A

doi

10.1016/j.archoralbio.2015.06.009

subject

Has Abstract

pub_date

2015-09-01 00:00:00

pages

1410-5

issue

9

eissn

0003-9969

issn

1879-1506

pii

S0003-9969(15)00147-8

journal_volume

60

pub_type

杂志文章

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