Tongue microbiome research underscores importance of dental health
from American Society for Microbiology via ScienceDaily
Elderly individuals with fewer teeth, poor dental hygiene and more cavities constantly ingest more dysbiotic microbiota, which could be harmful to their respiratory health, according to new research published in the journal mSphere. The findings come from a large, population-based study that identified variations in the tongue microbiota among community-dwelling elderly adults in Japan. Prior to this study, researchers knew that constant aspiration of saliva can lead to pneumonia, a major cause of death among elderly adults with swallowing impairments, and that tongue microbiota are a dominant source of oral microbial populations that are ingested with saliva.
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