ArticleClinical oral implants research2025
Effects of Smoking on Macrophage Polarization in Peri-Implantitis Lesions.
Article in Clinical oral implants research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Periodontal and Peri-Implant Status Among Users of Different Inhaled Tobacco and Nicotine Products: A Systematic Review.Dentistry journal · 2026Review
- Harnessing the Therapeutic Potential of Extracellular Vesicles for Oral Wound Healing.Bioengineering (Basel, Switzerland) · 2026Review
- Impact of smoking and periodontitis on salivary IL-39, IL-41, IL-1β, and TNF-α levels: a cross-sectional analysis.BMC oral health · 2026Article
- Peri-implant diseases triggered by oral microdysbiosis: pathogenesis and precision intervention strategies.Frontiers in microbiology · 2025Review
- Association between systemic immune-inflammation index and all-cause mortality in ischemic stroke patients.Frontiers in neurologyArticle
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
objectivesThe study aimed to investigate the relationship between cigarette smoking and macrophage polarization in peri-implantitis (PI) lesions. Additionally, it sought to characterize clinical, radiological, microbiological, and immunological features of PI in smokers and non-smokers. MATERIALS AND
methodsA cross-sectional study included 40 patients (20 smokers, ≥ 10 cigarettes/day, and 20 non-smokers) requiring surgical treatment for PI. Samples of peri-implant crevicular fluid (PICF) and granulation tissue were collected during surgery for immunofluorescence and cytokine analyses. Smoking exposure was assessed through cotinine levels. Macrophage polarization (M1/M2) was determined using immunofluorescence. Clinical, radiological, and microbiological parameters were also evaluated.
resultsSmokers showed a significantly higher proportion of M1 macrophages (70.23%) compared to non-smokers (25.09%, p < 0.005). This pro-inflammatory shift correlated positively with cotinine levels (ρ = 0.694; p < 0.005) and pack-years (ρ = 0.81; p < 0.005). No significant differences in M2 macrophage counts, cytokine concentrations, or microbiota diversity were observed between the groups. However, smokers exhibited more severe PI lesions (p = 0.04).
conclusionsSmoking is associated with a pro-inflammatory shift at the cellular level due to an increase in M1 macrophage polarization in PI lesions, suggesting a pro-inflammatory response that may exacerbate tissue destruction and hinder treatment outcomes. These findings highlight the need for incorporating smoking cessation into comprehensive peri-implant care strategies to improve disease management and implant prognosis.
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Registered trials
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