Abstract

Metabolomics analysis of mouth washout and tongue swab samples based on proton nuclear magnetic resonance (1H-NMR) method was employed to determine metabolic status of the oral cavity in chronic periodontal disease. Mouth washout extracts contained a total of 23 metabolites and tongue swab extracts contained 17. Identified metabolites partially overlap with the content of saliva and gingival crevicular fluid. The colonization of the oral cavity of patients with periodontitis by bacteria was manifested in the change in levels of eight metabolites. NMR-based metabolomics analysis is a potentially useful methodological approach for monitoring the pathological processes observed in the oral cavity in the course of periodontitis.

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