Researchers found that when patients with Type 2 diabetes and periodontal disease receive periodontal therapy, their levels of oxidative stress are reduced to those of nondiabetic patients...

Periodontal Therapy Helps Patients With Type 2 Diabetes

Researchers find oxidative stress levels reduced to those of nondiabetic patients

CHICAGO—October 31, 2006—When patients with Type 2 diabetes and periodontal disease receive periodontal therapy, they often experience a reduction in their levels of oxidative stress, a condition in which antioxidant levels are lower than normal. Patients' stress levels after periodontal therapy were similar to those of nondiabetic patients, according to a study in the November 2006 issue of the Journal of Periodontology (JOP). Study Abstract *

Researchers from Kyushu Dental College in Kitakyushu, Japan investigated the impact of periodontal therapy on patients with Type 2 diabetes, as compared to nondiabetic patients. They found that periodontal therapy decreased lipid peroxide (LPO), an oxidative stress index, in diabetic patients.

“Our research emphasized one of the benefits of having periodontal therapy for patients with diabetes,” said Dr. Kazuo Sonoki, M.D. PhD at Kyushu Dental College, one of the study authors. “However, this was just a preliminary study and more research should be conducted to evaluate how periodontal disease affects both people with and without diabetes.”

It has been found that diabetes and periodontal disease can lead to atherosclerosis, which occurs when deposits of fatty substances, cholesterol, and other substances build up in the inner lining of an artery. This buildup is called plaque. It has been thought that oxidative stress is linked to heart disease because oxidation of LDL (low-density lipoprotein) in the endothelium is a precursor to plaque formation. Recently, oxidative stress has emerged as an important factor for atherosclerosis in patients with diabetes.

“We hear every day about how more and more people are being diagnosed with diabetes,” said Preston D. Miller, DDS and AAP president. “This research confirms that patients with diabetes should be especially conscious of their periodontal health. While more research needs to be done to evaluate the relationship between periodontal disease and diabetes, we do know that treating periodontal diseases can save teeth, and can promote overall health.”

* EDITOR'S NOTE: Representatives of the media may contact the AAP Public Affairs Department to receive a copy of the articles Decreased lipid peroxidation following periodontal therapy in type 2 diabetic patients. Abstracts of Journal of Periodontology articles are available to the public online. Full-text of studies may be accessed by AAP members and Journal subscribers or purchased online.

About the AAP

The American Academy of Periodontology (AAP) is is an 8,000-member professional organization for periodontists - specialists in the prevention, diagnosis, and treatment of diseases affecting the gums and supporting structures of the teeth, and in the placement of dental implants. Periodontists are also dentistry’s experts in the treatment of oral inflammation and receive three additional years of specialized training following dental school. Periodontics is one of the nine dental specialties recognized by the American Dental Association.

Find out if you are at risk for periodontal diseases by taking the Academy’s risk assessment test. Referral to a periodontist in your area is available by calling 800-FLOSS-EM or visiting the AAP's website at www.perio.org.

For more information, contact the AAP Public Affairs Department at meg@perio.org or 312/573-3242.

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