• Disease, Gum (Diseases, Periodontal) American Dental Association
  


• Facts and Fallacies About Periodontal Disease American Academy of Periodontology
  


• Frequently Asked Questions About Periodontal (Gum) Disease American Academy of Periodontology
  


• Gingival Enlargement American Academy of Oral Medicine (also in Japanese, Spanish)
  


• Gingival Flap Surgery Columbia University, College of Dental Medicine
  


• Gum Disease Nemours Foundation
  


• Gum Disease: A Guide to Periodontal Disease California Dental Association (also in Chinese, Hmong, Russian, Spanish, Vietnamese)
  


• Gum (Periodontal) Disease NIH Senior Health
  


• Gum Recession Merck Manual, Home Edition
  


• Mind Your Mouth: Preventing Gum Disease National Institutes of Health
  


• Periodontal Disease JAMA Patient Page (also in Spanish)
  


• Periodontal Disease in Senior Men National Institute of Dental and Craniofacial Research
  


• Periodontal (Gum) Diseases American Academy of Periodontology
  


• Periodontal (Gum) Disease: Causes, Symptoms, and Treatments National Institute of Dental and Craniofacial Research (also in Spanish)
  


• Periodontal Disease: The Sequence Of Destruction University of Pennsylvania Dental School
  


• Periodontal Plastic Surgery American Academy of Cosmetic Dentistry
  


• Periodontal Procedures American Academy of Periodontology
  


• Plaque: What is it and How to Get Rid of it National Institute of Dental and Craniofacial Research (also in Spanish)
  


• Preventing Periodontal Disease American Dental Association
  


• Root Canal NOAH
  


• Receding Gums California Dental Association (also in Chinese, Hmong, Russian, Spanish, Vietnamese)
  


• Soft-Tissue Grafts Columbia University, College of Dental Medicine
  


• Taking Care of Your Gums JAMA Patient Page
  


• Transmission of Gum Disease Between Family Members American Academy of Periodontology
  


• Treating Periodontal Disease American Dental Association