Dental Prophylaxis and Periodontal Treatment Are Protective Factors to Ischemic Stroke

A correlation has been found between periodontal disease (PD) and stroke. This study was conducted to investigate whether dental prophylaxis and periodontal treatment reduce the incidence rate (IR) of ischemic stroke. We identified 510 762 PD cases and 208 674 non-PD subjects from January 1, 2000, t...

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Bibliographic Details
Published in:Stroke (1970) 2013-04, Vol.44 (4), p.1026-1030
Main Authors: LEE, Ya-Ling, HU, Hsiao-Yun, HUANG, Nicole, HWANG, De-Kuang, CHOU, Pesus, CHU, Dachen
Format: Article
Language:English
Subjects:
Adult
Aged
Biological and medical sciences
Brain Ischemia - prevention & control
Cardiovascular system
Cohort Studies
Comorbidity
Databases, Factual
Dental Prophylaxis - methods
Female
Humans
Incidence
Male
Medical sciences
Middle Aged
Models, Statistical
Neurology
Periodontal Diseases - prevention & control
Periodontal Diseases - therapy
Pharmacology. Drug treatments
Proportional Hazards Models
Regression Analysis
Retrospective Studies
Risk
Stroke - prevention & control
Vascular diseases and vascular malformations of the nervous system
Vasodilator agents. Cerebral vasodilators
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Summary:A correlation has been found between periodontal disease (PD) and stroke. This study was conducted to investigate whether dental prophylaxis and periodontal treatment reduce the incidence rate (IR) of ischemic stroke. We identified 510 762 PD cases and 208 674 non-PD subjects from January 1, 2000, to December 31, 2010. The PD cases were divided into dental prophylaxis, intensive treatment, and no treatment groups. The stroke IRs were assessed among groups during follow-up. Cox regression analysis was used after adjustment for age, sex, and comorbidities to determine the relationship between periodontal treatment and incidence of ischemic stroke. The stroke IR of the non-PD subjects was 0.32%/year. In the PD group, subjects who received dental prophylaxis had the lowest stroke IR (0.14%/year); subjects with intensive treatment or tooth extraction had a higher stroke IR (0.39%/year); and subjects without PD treatment had the highest stroke IR (0.48%/year; P
ISSN:0039-2499
1524-4628
DOI:10.1161/strokeaha.111.000076