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Updated: May 30, 2025

Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
Oral microbiota in aging and diseases.
Ya Ren1, Mingxu Chen1,2, Ziyang Wang1
1Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing 100871, China.
The human oral microbiome plays a crucial role in health and disease. Research suggests that altering oral microbial composition may offer new strategies for preventing diseases and intervening in the aging process.
Area of Science:
- Microbiology
- Human Microbiome Research
- Aging Biology
Background:
- The human body hosts numerous microbial communities, with the oral cavity being a significant habitat and the first line of defense against pathogens.
- Oral microbial dysbiosis is linked to both oral and systemic diseases, including aging-related conditions.
- Oral microorganisms can impact systemic health through ingestion or translocation into the bloodstream.
Purpose of the Study:
- To explore the connection between oral microbiota and systemic health, particularly in the context of aging.
- To investigate the role of oral microbial dysbiosis in inflammatory aging (inflammaging).
- To propose the oral microbiome as a target for disease prevention and aging intervention.
Main Methods:
- Review of existing literature on oral microbiota composition and its relation to health and disease.
- Analysis of pathways through which oral microorganisms influence systemic inflammation and aging.
- Exploration of the concept of inflammaging and its link to oral pathogenic microbes.
Main Results:
- Oral microbial composition changes throughout different life stages.
- Oral pathogenic microbes are implicated in contributing to inflammatory aging via systemic inflammation.
- Oral microbial dysbiosis is associated with increased risk of systemic diseases and accelerated aging.
Conclusions:
- The oral microbiome is a critical factor in maintaining overall health and influencing the aging process.
- Modulating the oral microbiome presents a potential therapeutic strategy for managing age-related diseases and interventions.
- Further research into aging oral microbiota is essential for developing targeted health strategies.
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