- American Academy of Periodontology
Offers information on gum disease and treatment and a periodontist referral service.
- Journal of Periodontology
- Canadian Academy of Periodontology
Details gum disease (gingivitis and periodontitis), treatments, and provides a periodontist database.
- Southern Academy of Periodontology
Includes an event calendar and directory of post-doctoral periodontal training programs.
- Northeastern Society of Periodontists
Events and directory of members in Maine, Massachusetts, Vermont, Rhode Island, New Hampshire, Connecticut, New York, New Jersey, Pennsylvania, Maryland, and Delaware.
- California Society of Periodontists
News, events, and statewide directory of periodontists.
- Southwest Society of Periodontists
Includes news, officers, events, as well as resources for patients.
- Western Society of Periodontology
Includes membership information, meeting schedule, and links.
- Iowa Society of Periodontology
Includes news, events, and membership list.
- Minnesota Association of Periodontists
Provides directory of members in Minnesota, North Dakota, and Wisconsin.