What are the three stages of gingivitis?
  1. Transient, developing and chronic
  2. Transient, developing and takeover
  3. Developing, transient and takeover
  4. Developing, chronic and takeover
Explanation
Answer: A - The three stages of gingivitis are transient, developing, and chronic. The transient stage occurs within two days after stopping oral hygiene and can be seen microscopically. The developing stage shows increased collagen destruction. The chronic stage shows that the gingival lamina propria is changed.
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