Gum Disease (Periodontitis): Stages, Symptoms, and All Treatment Options
Author: ID Wellness Dental Editorial Team | Published: 2026-03-03
Gum disease (periodontal disease) is the leading cause of tooth loss in adults — and it affects nearly half of all American adults over age 30. What makes it particularly dangerous is that it is largely painless in its early stages, allowing it to progress silently for years. This comprehensive guide covers every stage of gum disease, all symptoms, every available treatment, the critical connection between gum disease and systemic health, and how to prevent it from ever developing.
Gum disease (periodontal disease) is a bacterial infection of the gum tissue and bone supporting the teeth. It progresses through four stages: gingivitis (reversible), and mild, moderate, and severe periodontitis (irreversible bone loss). Treatment ranges from professional cleanings and improved home care for gingivitis, to scaling and root planing (deep cleaning) for periodontitis, to surgical intervention for advanced cases. Early treatment prevents tooth loss and reduces systemic health risks. Gum disease affects 47% of adults over 30 and 70% of adults over 65 — it is the most common chronic infection in humans Gingivitis (Stage 1) is fully reversible with professional cleaning and improved home care Periodontitis (Stages 2–4) causes irreversible bone loss — treatment stops progression but cannot regenerate lost bone without surgery Gum disease is strongly linked to cardiovascular disease, diabetes, preterm birth, and Alzheimer's disease The most effective treatment for periodontitis is scaling and root planing (deep cleaning), followed by 3–4 month periodontal maintenance What Is Gum Disease? Periodontal disease is a chronic bacterial infection of the tissues surrounding and supporting the teeth — the gums, periodontal ligament, and alveolar bone. It begins when bacteria in dental plaque colonize the space between the tooth and gum (the sulcus), triggering an inflammatory immune response. In the early stage (gingivitis), this inflammation is confined to the gum tissue and
Frequently Asked Questions
What are the signs of gum disease?
Early signs include bleeding gums when brushing, red or swollen gums, and persistent bad breath. Advanced signs include gum recession, loose teeth, and pus between teeth and gums.
Can gum disease be cured?
Gingivitis is fully reversible. Periodontitis causes irreversible bone loss — treatment stops progression but cannot restore lost bone without surgery. Lifelong periodontal maintenance is required.
What is the treatment for gum disease?
Gingivitis is treated with professional cleaning and improved home care. Periodontitis requires scaling and root planing (deep cleaning), possibly with antibiotics, followed by periodontal maintenance every 3–4 months.