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Acta Odontol Scand. 2014 Nov;72(8):687-93. doi: 10.3109/00016357.2014.898089. Epub 2014 Apr 11.

Association between periodontal disease and non-fatal ischemic stroke: a case-control study.

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University of Champagne-Ardenne , Reims Cedex , France.



This study aimed to investigate the association between clinical and radiological markers of periodontal disease and ischemic stroke and to assess the potential influence of inflammatory response on the observed associations.


A prospective case-control study including a series of 48 cases with a minor ischemic stroke and 47 controls was conducted at the University Hospital of Dijon. Vascular risk factors, clinical dental examination (plaque index, gingival index, percentage of pockets >5 mm, percentage of bleeding on probing (BOP) sites), dental panoramic (bone loss) and biological parameters (CRP, total cholesterol, HDL, LDL, fasting glucose) were collected. Conditional regression analyses were performed to identify factors associated with ischemic stroke.


The prevalence of hypertension, high CRP and glucose levels and overall odontological variables was higher in stroke patients. In multivariable analyses, hypertension (OR = 12.56; 95% CI = 2.29-69.96, p = 0.004), CRP levels >5 mg/L (OR = 18.54; 95% CI = 2.01-171.17, p = 0.010), BOP (OR = 1.049; 95% CI = 1.012-1.88, p = 0.009) and bone loss >20% (OR = 1.053; 95% CI = 1.017-1.091, p = 0.004) were associated with ischemic stroke. Among stroke patients, there was a non-significant trend towards higher CRP levels in patients with bone loss >20% compared with those with bone loss <20% (8.1 ± 1.27 mg/L vs 3.12 ± 3.14 mg/L, p = 0.25), whereas other biological parameters were very similar between the two groups.


This case-control study demonstrates that periodontal disease, especially markers such as BOP and bone loss, is independently associated with ischemic stroke.


bone loss; ischemic; oral inflammation; periodontitis; risk factor; stroke

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