The Association of Tooth Scaling and Decreased Cardiovascular Disease: A Nationwide Population-based Study - 22/05/12
, Hsin-Bang Leu, MD a, d, e, g, h, ⁎ Reprint requests should be addressed to: Hsin-Bang Leu, MD, Healthcare and Management Center, Division of Cardiology, Taipei Veterans General Hospital, Taipei, TaiwanAbstract |
Objective |
Poor oral hygiene has been associated with an increased risk for cardiovascular disease. However, the association between preventive dentistry and cardiovascular risk reduction has remained undetermined. The aim of this study is to investigate the association between tooth scaling and the risk of cardiovascular events by using a nationwide, population-based study and a prospective cohort design.
Methods |
Our analyses were conducted using information from a random sample of 1 million persons enrolled in the nationally representative Taiwan National Health Insurance Research Database. Exposed individuals consisted of all subjects who were aged≥50 years and who received at least 1 tooth scaling in 2000. The comparison group of non-exposed persons consisted of persons who did not undergo tooth scaling and were matched to exposed individuals using propensity score matching by the time of enrollment, age, gender, history of coronary artery disease, diabetes, hypertension, and hyperlipidemia.
Results |
During an average follow-up period of 7 years, 10,887 subjects who had ever received tooth scaling (exposed group) and 10,989 age-, gender-, and comorbidity-matched subjects who had not received tooth scaling (non-exposed group) were enrolled. The exposed group had a lower incidence of acute myocardial infarction (1.6% vs 2.2%, P<.001), stroke (8.9% vs 10%, P=.03), and total cardiovascular events (10% vs 11.6%, P<.001) when compared with the non-exposed group. After multivariate analysis, tooth scaling was an independent factor associated with less risk of developing future myocardial infarction (hazard ratio [HR], 0.69; 95% confidence interval [CI], 0.57-0.85), stroke (HR, 0.85; 95% CI, 0.78-0.93), and total cardiovascular events (HR, 0.84; 95% CI, 0.77-0.91). Furthermore, when compared with the non-exposed group, increasing frequency of tooth scaling correlated with a higher risk reduction of acute myocardial infarction, stroke, and total cardiovascular events (P for trend<.001).
Conclusion |
Tooth scaling was associated with a decreased risk for future cardiovascular events.
El texto completo de este artículo está disponible en PDF.Keywords : Cardiovascular disease risk, National Health Insurance, Tooth scaling
Esquema
| Funding: This work was supported by a project grant from the Taipei Veterans General Hospital (Grant No.V98B1-010, V99B1-023, V100B-004). |
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| Conflict of Interest: None. |
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| Authorship: All authors had access to the data and played a role in writing this manuscript. |
Vol 125 - N° 6
P. 568-575 - juin 2012 Regresar al número
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