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J Clin Periodontol. 2005 Dec;32(12):1189-99.

Serum antibodies to periodontal pathogens and markers of systemic inflammation.

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1
Center for Disease Control and Prevention, National Center for Health Statistics, Hyattsville, MD, USA.

Abstract

AIM:

We examined the relationship between serum antibodies against Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans, and plasma fibrinogen and serum C-reactive protein (CRP) in a nationally representative sample.

METHODS:

Data on 2,973 participants aged 40 years and older from the third National Health and Nutrition Examination Survey, second phase (1991-1994) were used. Three logistic regression models adjusted for gender, race, educational attainment, diabetes, cigarette smoking, body mass index (BMI), and other inflammatory conditions were constructed, based on three different assumptions: (A) no access to dental/periodontal data; (B) knowledge of number of teeth present but not of clinical periodontal status; and (C) knowledge of both dental and clinical periodontal status.

RESULTS:

High fibrinogen (>400 mg/dl) was unrelated to P. gingivalis and A. actinomycetemcomitans antibodies in all models. High CRP (>0.4 mg/dl) was related to high antibody levels to P. gingivalis in models A [odds ratios (OR) 1.63, 95% confidence intervals (CI) 1.15-2.32], B (OR 1.69, 95% CI 1.18-2.41), and C (OR 1.58, 95% CI 1.12-2.23). In model C, high CRP was related to >30% extent of attachment loss of >or=3 mm (OR 1.58, 95% CI 1.19-2.08). Antibodies to A. actinomycetemcomitans were not associated with high CRP levels in any model.

CONCLUSIONS:

High serum titre to P. gingivalis and the presence of periodontal disease are independently related to high CRP levels.

[Indexed for MEDLINE]

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