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Seeing a dental hygienist at least once a year may help to reduce incidence of myocardial infarction, stroke, and total cardiovascular events. H-B. Leu, from Taipei Veterans General Hospital (Taiwan), and colleagues examined 10,887 subjects who had undergone tooth scaling, and 10,989 subjects who had not received tooth scaling.

During an average follow-up period of seven years, the group that had undergone tooth scaling had a lower incidence of myocardial infarction, stroke, and total cardiovascular events. Increasing frequency of tooth scaling correlated with a higher risk reduction. The study authors report that: “Tooth scaling was associated with a decreased risk for future cardiovascular events.”


  1. Zu-Yin Chen, Chia-Hung Chiang, Chin-Chou Huang, Chia- Min Chung, Wan-Leong Chan, Po-Hsun Huang, Shing-Jong Lin, Jaw-Wen Chen, Hsin-Bang Leu. “The Association of Tooth Scaling and Decreased Cardiovascular Disease: A Nationwide Population-based Study.” The American Journal of Medicine, June 2012, Vol. 125, Issue 6, Pages 568–75.