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Alabama Family Dentistry | Attention Ladies! Dental Care can Reduce the Risk of Heart Disease in Women
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Attention Ladies! Dental Care can Reduce the Risk of Heart Disease in Women

Attention Ladies! Dental Care can Reduce the Risk of Heart Disease in Women

Posted by Alabama Family Dentistry in Preventive Health Care 16 Apr 2013

A new study led by a University of California, Berkeley, researcher could give women a little extra motivation to visit their dentist more regularly. The study suggests that women who get dental care reduce their risk of heart attacks, stroke and other cardiovascular problems by at least one-third.

The analysis, which used data from nearly 7,000 people ages 44-88 enrolled in the Health and Retirement Study, did not find a similar benefit for men.

Published online in the journal Health Economics, the study compared people who went to the dentist during the previous two years with those who did not.

“Many studies have found associations between dental care and cardiovascular disease, but our study is the first to show that general dental care leads to fewer heart attacks, strokes, and other adverse cardiovascular outcomes in a causal way,” said study lead author Timothy Brown, assistant adjunct professor of health policy and management at UC Berkeley’s School of Public Health.

In the world of health and medical studies, causality is typically determined through randomized controlled trials in which two or more groups of people are essentially equal, except for the receipt of a treatment or intervention, such as a new drug, a periodontal procedure or a health education class. The group that did not receive the treatment – the control group – is compared with the group that did. Differences in outcomes between the groups are attributed to the treatment.

But randomized controlled trials are not always possible, so researchers sometimes turn to a statistical approach called the method of instrumental variables to rule out other potential factors that could account for different outcomes between groups. The use of instrumental variables is common among economists to evaluate the effects of economic policies, but it is less well-known in the clinical setting.

Data from the Health and Retirement Study had been collected every two years from 1996 to 2004. This longitudinal study followed the same individuals over time, and each biennial survey included questions on whether subjects had visited the dentist and whether they had experienced a heart attack, stroke, angina or congestive heart failure during the prior two years. Deaths from heart attacks or strokes were also included in the analysis. The study took into account other risk factors, such as alcohol and tobacco use, high blood pressure and body mass index.

The study authors suggest that for dental care to have a protective effect, it should occur early in the development of cardiovascular disease.

The researchers did not have data on the type of procedures used during the dental visit, but they pointed to other studies that indicated three-fourths of older adult dental visits involved preventive services, such as cleaning, fluoride and sealant treatments.

Oral health experts recommend twice-yearly visits to the dentist, as well as brushing and flossing at least twice a day. Those wearing dentures should make sure they stay clean to prevent the growth and buildup of plaque and bacteria.

To read the full article, click here. Their sources are Sarah Yang, University of California — Berkeley. All rights reserved.

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