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Author Spotlight: Oral Candida Diagnosis to Advance Clinical Treatment Regimen for pSS Patients
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Relationship Between Masticatory Dysfunction and Salivary Microbiota.

Tsunglin Liu1, Mu-Heng Wu1, Po-Hsiang Hu1

  • 1Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan.

Journal of Oral Rehabilitation
|March 27, 2025
PubMed
Summary
This summary is machine-generated.

Chewing ability impacts the oral microbiome. Reduced chewing function is linked to decreased bacterial diversity and altered microbial composition in saliva, highlighting the need to restore chewing function.

Keywords:
ageddysbiosisfrailtymasticationsaliva microbiota

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Area of Science:

  • Microbiome research
  • Oral health science
  • Systemic health

Background:

  • Oral health is a predictor of systemic health outcomes, including physical frailty.
  • The relationship between oral health indicators and the salivary microbiome requires further investigation.

Purpose of the Study:

  • To determine the association between specific oral health indicators and the salivary microbiome.
  • To investigate how chewing ability influences oral microbiota composition.

Main Methods:

  • Salivary samples collected from 97 hospitalized patients (mean age 65).
  • Oral health status assessed, including chewing ability.
  • Saliva microbiota analyzed using 16S rRNA gene sequencing.

Main Results:

  • Chewing ability was the only oral health indicator associated with saliva microbiota.
  • Decreased chewing ability correlated with reduced bacterial alpha diversity.
  • Distinct microbial compositions were observed between normal and impaired chewing groups.
  • Lactobacillus and Limosilactobacillus abundances were higher in the impaired chewing group.
  • Lautropia was more abundant in the normal chewing group.

Conclusions:

  • Severe chewing disability may alter the salivary microbiome.
  • Restoring chewing function is crucial when chewing disability occurs.