Locational effects on oral microbiota among long-term care patients

J Oral Microbiol. 2022 Feb 14;14(1):2033003. doi: 10.1080/20002297.2022.2033003. eCollection 2022.

Abstract

Background: Dysbiosis of oral microbiota is the cause of many diseases related to oral and general health. However, few Asia-based studies have evaluated the role of oral microbiota in patients receiving long-term care. Thus, new indications are needed for early prevention and risk management based on information derived from the oral microbiota.

Methods: We used next-generation sequencing (NGS) to identify the oral bacterial composition and abundance in patients receiving long-term care: 20 from the outpatient department (OPD) and 20 home-care patients. Their microbial compositions, taxonomy, and alpha/beta diversity were characterized.

Results: Microbiota from the two groups showed different diversity and homogeneity, as well as distinct bacterial species. A more diverse and stable microbial population was observed among OPD patients. Our findings indicated that home-care patients had a higher risk of oral diseases due to the existence of dominant species and a less stable microbial community.

Conclusion: This work was the first in Taiwan to use NGS to investigate the oral microbiota of long-term care patients. Our study demonstrated the potential use of dominant bacterial species as biomarkers for the risk management of posttreatment complications.

Keywords: Oral microbiota; home care; long-term care patients; next-generation sequencing (NGS); outpatient department (OPD).

Grants and funding

This work was supported by the Ministry of Science and Technology, Taiwan [MOST 107-2314-B-010-035 -MY3][MOST 108-2314-B-010-014][MOST 109-2314-B-010-012-MY2].