According to a new study in the Journal of Periodontology, people who had rheumatoid arthritis were more than twice as likely to have periodontal disease...

People With Rheumatoid Arthritis Have More Periodontal Disease

Rheumatoid arthritis sufferers also had more missing teeth.

CHICAGO – June 21, 2001 – Swollen joints and missing teeth often go hand in hand, according to a new study in the Journal of Periodontology. In the Australian study of 130 people, the 65 people who had rheumatoid arthritis were more than twice as likely to have periodontal disease with moderate to severe jawbone loss as the control subjects. In addition, they averaged 11.6 missing teeth, compared to 6.7 in the control group. Study Abstract *

"Periodontal disease and rheumatoid arthritis have very similar pathologies," said Robert Genco, D.D.S., Ph.D., editor of the Journal of Periodontology. "Damage caused by the immune system and chronic inflammation are central to both diseases. A better understanding of the biological processes common to these diseases may help us find new ways to treat them with medications that modify the body's response to inflammation."

At this point, researchers are not saying the relationship between the two diseases is causal. However, some scientists think a bacterial infection may trigger the disease process in some of the estimated 2.1 million people with rheumatoid arthritis.

Some dental professionals had speculated that people with arthritis have more periodontal disease because limited dexterity decreases oral hygiene. However, researchers in this study found no difference in plaque deposits between the group with rheumatoid arthritis and the control group, indicating that the progression of periodontal disease in the arthritis group was due to factors other than a difference in oral hygiene.

"People with rheumatoid arthritis should take note of this connection," said Michael McGuire, D.D.S., president of the American Academy of Periodontology (AAP). "They should be on a close lookout for signs of periodontal disease, such as red, swollen gums that bleed easily. The earlier you detect periodontal disease and treat it, the better off you are."

A referral to a periodontist in your area and free brochure samples are available by calling 800-FLOSS-EM or visiting the AAP's Web site at www.perio.org.

The American Academy of Periodontology is an 8,000-member association of dental professionals specializing in the prevention, diagnosis and treatment of diseases affecting the gums and supporting structures of the teeth and in the placement and maintenance of dental implants. Periodontics is one of nine dental specialties recognized by the American Dental Association.

For more information, contact the AAP Public Affairs Department at 312/573-3243 or 312/573-3242.