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Air Pollution as a Risk Indicator for Periodontitis
Crystal Marruganti1,2,3, Hye-Sun Shin4,5, Seon-Ju Sim4,5
1Unit of Periodontology, Endodontology and Restorative Dentistry, Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy.
Outdoor air pollution, including particulate matter and ozone, is linked to increased periodontitis risk. Higher humidity and nitrogen dioxide levels may reduce this risk, suggesting air quality as a modifiable factor for gum disease prevention.
Area of Science:
- Environmental Health
- Dental Public Health
- Epidemiology
Background:
- Air pollutants impact inflammation, oxidative stress, and microbiome composition.
- Air pollution is a potential, unexplored modifiable risk indicator for periodontitis.
Purpose of the Study:
- To investigate the epidemiological association between outdoor air pollution and periodontitis.
- Examined a representative sample of the South Korean population.
Main Methods:
- Analyzed data from 42,020 South Koreans.
- Assessed mean annual levels of particulate matter (PM10), ozone, sulfur dioxide (SO2), nitrogen dioxide (NO2), and humidity.
- Defined periodontitis using the Community Periodontal Index (CPI ≥ 3) and applied regression analyses.
Main Results:
- Increased PM10 and ozone levels were positively associated with periodontitis prevalence.
- Increased humidity and NO2 levels were inversely associated with periodontitis occurrence.
Conclusions:
- Several air pollutants are associated with periodontitis in a nationally representative population.
- Air pollution may represent a novel modifiable risk indicator for periodontitis.
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