Periodontics:
The American Academy of Periodontology
U.S.Department of Health and Human Services
Implant Societies:
The Academy of Osseointegration
American Academy of Implant Dentistry
Dental Implant Maufacturers:
Astra Tech - Dental implants
Straumann - ITI Implants
Keystone Dental
Nobel Biocare
Zimmer Dental