- MedlinePlus: Gingivitis
Describes the earliest form of periodontal disease, including its symptoms, treatment, and possible complications.
www.nlm.nih.gov/medlineplus/ency/article/001056.htm
- Porphyromonas Gingivalis Genome Project (PGGP)
Researching the genetic sequence of Porphyromonas gingivalis, the organism most strongly associated with human periodontal disease.
www.pgingivalis.org
- Gum Recession Project, The
Discusses and illustrates various gum problems that can occur, and outlines how they are often treated.
www.gumrecession.com
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