Periodontal disease, heart disease and stroke may seem to be unlikely bedfellows, but researchers have found that gum disease sufferers are nearly twice as likely to also suffer from coronary heart disease. In addition, research studies have discovered that oral infection is indeed a risk factor for stroke. People diagnosed with acute cerebrovascular ischemia were more likely to also be experiencing some degree of periodontal disease.
Periodontal disease is a progressive condition in which the gingival tissue surrounding the teeth is infected by the colonization of bacteria. Bacteria found in plaque colonize first above, then below the gumline, causing the tissue to pull away from the teeth. If periodontal disease is left untreated, deep pockets form between the gums and the teeth and the tissue of the underlying jawbone is also destroyed. The destruction of bone tissue causes the teeth to shift, wobble or completely detach from the bone.
Coronary heart disease occurs when the walls of the coronary arteries become progressively thicker due to the buildup of fatty proteins. The heart then suffers from a lack of oxygen and must labor significantly harder to pump blood to the rest of the body. Coronary heart disease sufferers sometimes experience blood clots which obstruct normal blood flow and reduce the amount of vital nutrients and oxygen the heart needs to function properly. This phenomenon often leads to heart attacks.
Reasons for the Connection
There is little doubt that the presence of periodontal disease can exacerbate existing heart conditions. The periodontist and cardiologist generally work as a team in order to treat individuals experiencing both conditions.
There are several theories which may explain the link between heart disease, stroke and periodontal disease, which include the following:
Oral bacteria affect the heart – There are many different strains of periodontal bacteria. Researchers assert that some of these strains of bacteria enter the bloodstream and attach to the fatty plaques in the heart blood vessels (coronary arteries). This attachment then contributes to clot formation causing grave danger to the individual.
Inflammation – Periodontal disease causes severe inflammation in the gum tissue which elevates the white blood cell count and also the high sensitivity C-reactive protein levels. Research studies have shown that elevated levels of C-reactive proteins have been linked to heart disease.
Infectious susceptibility – Individuals who experience particularly high levels of oral bacteria may have weaker immune systems and an inadequate host inflammatory response. These factors may induce specific vascular effects which have previously been shown to contribute in the onset of certain forms of heart disease.
Diagnosis and Treatment
Since periodontal disease appears to be a risk factor for both heart attack and stroke, it is extremely important to seek immediate treatment. Initially, the periodontist will conduct a thorough examination to assess the condition of the teeth, gums and jawbone. X-rays can be helpful in determining whether bone loss is prevalent in the upper and lower jaw.
When a diagnosis has been made, the periodontist will recommend the appropriate non-surgical or surgical treatment or both.
If you have any questions or concerns about periodontal disease and its relation to heart disease and stroke, please ask Dr. Guier.
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