Posts tagged: periodontal bone loss

New Study Shows Normal Bacteria Could Be Catalyst for Gum Disease

New research conducted by Queen Mary University of London has given an interesting insight into the way normal bacteria affect the development of gum disease, and could lead to new preventative measures being developed through manipulating these bacteria to help protect the gums.

The study was conducted on mice living in two separate test conditions. One set of mice had normal bacteria in their mouths, while the other mice were raised to be free from bacteria. Small amounts of Porphyromonas gingivalis, a bacteria commonly found in the oral cavity, was introduced to both sets of mice. The mice with normal bacteria in their mouths subsequently developed periodontal bone loss, while those who had previously had bacteria free mouths remained free of the disease.

Scientists found that the presence of P. gingivalis stimulated the growth of normal bacteria, which had a major effect on the inflammatory and immune system of the mice. It appears that even a small amount of P. gingivalis can have an almost disproportionate influence on the severity of gum disease that develops. It now seems that periodontal disease develops when P. gingivalis interacts with existing bacteria, and that these existing bacteria are needed for this to occur. Read more »

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