| American Dental Association Detection, treatment and, prevention of periodontal diseases, from the American Dental Association. http://www.ada.org/ |
| Dentalwellness4u Mercury-free fillings are an absolute must for anyone that needs their cavities treated. http://www.dentalwellness4u.com/ |
| Gum Disease Information The American Academy of Periodontology's description of periodontal (gum) diseases, including gingivitis and periodontitis. http://www.perio.org/ |
| Gum Disease Information Bureau Advice on diagnosis and treatment of gum disease, gingivitis, periodontitis and mouth ulcers. http://www.gumdiseaseinfo.co.uk/ |
| MayoClinic.com: Gingivitis Symptoms, causes, treatment, and prevention. http://www.mayoclinic.com/ |
| Periodontal Health - OHSU Overview, symptom and treatment information from Oregon Health and Sciences University. http://www.ohsuhealth.com/ |
| PerioPeak Institute Have you been told that you need gum surgery to treat your periodontal (gum) disease, or that you need to have hopeless teeth extracted. http://www.periopeak.com/ |