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, 56 (4), 352-7

Improved Periodontal Health and Cardiovascular Risk


Improved Periodontal Health and Cardiovascular Risk

S Rose-Hill et al. Aust Dent J.


Background: Previous studies have demonstrated variable effects on systemic inflammatory and immune responses following improved periodontal health. This study examined changes in serum levels of the inflammatory mediators IL-1β, IL-6, TNF-α and sICAM-1, and antibodies to Porphyromonas gingivalis, human heat shock protein (hHSP) 60 and P. gingivalis GroEL following improvement in periodontal health in high cardiovascular (CV) risk and low CV-risk patients.

Methods: Patients retrospectively selected from a longitudinal study, had undergone yearly periodontal examinations and peripheral blood collections. They had demonstrated a quantifiable improvement in periodontal health (>60% reduction in number of sites with probing depth ≥ 4 mm from the baseline visit) and could be classified as either high CV-risk (≥ 6 classical risk factors, n = 13) or low CV-risk (≤ 1 classical risk factor, n = 14). Serum levels of the cytokines and antibodies were measured using ELISA.

Results: For sICAM-1 and anti-P. gingivalis GroEL and anti-hHSP60 antibodies, most patients recorded decreased levels. Reductions in serum sICAM-1 levels were more notable in low CV-risk patients (p = 0.006); and reductions in levels of anti-P. gingivalis GroEL and anti-hHSP60 antibodies (p = 0.001 and 0.009 respectively) were more notable in high CV-risk patients.

Conclusions: This study found that subsequent to improved periodontal health, the anti-HSP (HSP60 and GroEL) antibody response was reduced, particularly for high CV-risk patients. sICAM-1 levels were also lowered, more so for low CV-risk patients.

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