The American Academy of Periodontology is an association of dental professionals specializing in the prevention, diagnosis, and treatment of diseases affecting the gums and the supporting structures of the teeth. The Academy's purpose is to advocate, educate, and set standards that advance the periodontal and general health of the public and promote excellence in the practice of periodontics. The Academy publishes the Journal of Periodontology.

The Web site includes consumer information on gum disease and its treatment as well as a section on the latest research.

The American Dental Association (ADA), the professional membership organization of practicing dentists, provides information about oral health care for children and adults. The ADA can also help you find a dentist in your area.

The National Institute of Dental and Craniofacial Research (NIDCR) is a governmental agency that provides information about oral, dental, and craniofacial health. By conducting and supporting research, the NIDCR aims to promote health, prevent diseases and conditions, and develop new diagnostics and therapeutics.