- MedlinePlus: Periodontitis
Overview of the more serious form of gum disease that develops when gingivitis is untreated.
www.nlm.nih.gov/medlineplus/ency/article/001059.htm
- MayoClinic: Periodontitis
Advanced stage of gum (periodontal) disease that can result in the loss of your teeth.
www.mayoclinic.com/invoke.cfm?id=DS00369
- What is Periodontitis?
Features information about the infection of the system of fibers that hold your teeth to your jaw.
www.aboutsmiles.org/prevh.htm
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