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02.04.2010


Take fish oil to stop your teeth from falling out

Take fish oil to stop your teeth from falling out
The more fish fatty acids that elderly people consume, the more of their own teeth they'll retain, discovered dentists from the Niigata University, Japan. Fish fatty acids protect teeth from the processes of aging.

Fish oil & teeth
If you give fish oil to mice and rats, it improves their dental health. In their gums and jawbone, fish oil reduces the production of inflammatory factors such as prostaglandin E2, prostaglandin F2a, leukotriene B4 and platelet-activating factor. As a result, their teeth are less likely to become loose and fall out.

DHA

EPA
The researchers were curious whether fish oil would have the same protective effect on human dentition, so they did a study of 55 Japanese aged 74.

Study
The researchers used a questionnaire to work out the quantities of DHA and EPA fish fatty acids [structural formulas shown here] the subjects consumed each day. On the basis of the results, they divided the old people into three groups, called tertiles.

The first tertile was the 33.3 percent of the subjects with the lowest DHA and EPA intake; the third tertile consisted of the 33.3 percent with the highest intake. The researchers then assessed the subjects' teeth and observed that the people who consumed the most fish oil also had the highest number of their own teeth.

Results
The upper of the two figures below shows the relationship between DHA and the number of teeth. The lower figure shows the relationship between EPA and the number of teeth.


Take fish oil to stop your teeth from falling out

Take fish oil to stop your teeth from falling out


The researchers also monitored their elderly subjects for 5 years and found that it was primarily DHA that protected their teeth. The subjects with the lowest DHA intake were 150 percent more likely to lose teeth or have other 'periodontal events' than the other subjects.

The Japanese consumption of fish oil was high. They took in an average of 947 mg DHA and 635 mg EPA daily.

Source:
Nutrition. Nov-Dec 2010;26(11-12):1105-9.

More:
Fish oil could halve chance of hay fever 08.03.2010
Fish oil capsules prevent psychoses 11.02.2010
Human study: omega-3 fatty acids delay molecular ageing 08.02.2010

Archives:
Fish Oil & Omega-3 Fatty Acids
Teeth


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