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Periodontal disease

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Periodontal disease is a serious gum infection that damages the soft tissue and destroys the bone that supports your teeth. It is primarily caused by bacteria in dental plaque.

5 Must Know Facts For Your Next Test

  1. Periodontal disease is primarily caused by the accumulation of bacterial plaque on the teeth and gums.
  2. The two main stages of periodontal disease are gingivitis (early stage) and periodontitis (advanced stage).
  3. Common symptoms include swollen, red, and bleeding gums, as well as bad breath.
  4. If untreated, periodontal disease can lead to tooth loss and contribute to other systemic health issues such as heart disease.
  5. Effective oral hygiene practices, including regular brushing and flossing, are essential in preventing periodontal disease.

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