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The modification of meteorological factors on the relationship between air pollution and periodontal diseases: an exploration based on different interaction strategies

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Abstract

We aimed to characterize the association between air pollutants exposure and periodontal diseases outpatient visits and to explore the interactions between ambient air pollutants and meteorological factors. The outpatient visits data of several large stomatological and general hospitals in Hefei during 2015–2020 were collected to explore the relationship between daily air pollutants exposure and periodontal diseases by combining Poisson’s generalized linear model (GLMs) and distributed lag nonlinear model (DLNMs). Subgroup analysis was performed to identify the vulnerability of different populations to air pollutants exposure. The interaction between air pollutants and meteorological factors was verified in both multiplicative and additive interaction models. An interquartile range (IQR) increased in nitrogen dioxide (NO2) concentration was associated with the greatest lag-specific relative risk (RR) of gingivitis at lag 3 days (RR = 1.087, 95% CI 1.008–1.173). Fine particulate matter (PM2.5) exposure also increased the risk of periodontitis at the day of exposure (RR = 1.049, 95% CI 1.004–1.096). Elderly patients with gingivitis and periodontitis were both vulnerable to PM2.5 exposure. The interaction analyses showed that exposure to high levels of NO2 at low temperatures was related to an increased risk of gingivitis, while exposure to high levels of NO2 and PM2.5 may also increase the risk of gingivitis and periodontitis in the high-humidity environment, respectively. This study supported that NO2 and PM2.5 exposure increased the risk of gingivitis and periodontitis outpatient visits, respectively. Besides, the adverse effects of air pollutants exposure on periodontal diseases may vary depending on ambient temperature and humidity.

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Acknowledgements

The authors acknowledge all the participants and administrators in this study.

Funding

This work was funded by the Scientific Research Promotion Plan of Anhui Medical University (2021xkjT013), the Key Project of Nature Science Research Project of Anhui Provincial Department of Education (2022AH050686) and two Projects of the Natural Science Research of Anhui Provincial Department of Education (KJ2020A0163, KJ2021A0304).

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KH was involved in conceptualization, data curation, methodology, software, formal analysis, writing—original draft and visualization. LFF was involved in writing—revised draft and visualization. ZYL and YCM were involved in conceptualization and visualization. ZHL was involved in data curation, methodology and software. XQW and JW were involved in data curation and software. JWZ was involved in supervision and formal analysis. KDZ was involved in data curation and formal analysis. YQL was involved in data curation and grammar checking. WJY and XC were involved in data curation. XYY was involved in supervision and project administration. JL was involved in project administration, funding acquisition, data curation and supervision. XJZ was involved in project administration, funding acquisition, conceptualization and supervision.

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Correspondence to Xiu-Jun Zhang.

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The authors have no relevant financial or non-financial interests to disclose.

Ethical approval

Ethical approval was granted for this project by the Human Research Ethics Committee of the Anhui Medical University, with approval number S20200042.

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Due to the fact that this is an ecological study without any personally identifiable information, the informed consent of participants was not required.

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All authors approved this manuscript to be published.

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Huang, K., Feng, LF., Liu, ZY. et al. The modification of meteorological factors on the relationship between air pollution and periodontal diseases: an exploration based on different interaction strategies. Environ Geochem Health 45, 8187–8202 (2023). https://doi.org/10.1007/s10653-023-01705-6

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  • DOI: https://doi.org/10.1007/s10653-023-01705-6

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