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ADA NBDE National Board Dental Part II

Category - NBDE II

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What is luxation?
  1. Tooth out of socket
  2. Partial tooth displacement
  3. Alveolus tear
  4. Tooth eruption
Explanation
Answer: B - Luxation is partial tooth displacement. The tooth is displaced from its original alveolus position, without complete avulsion, resulting from an acute trauma. There are five categories of luxation: concussion, subluxation, extrusive luxation, lateral luxation, and intrusive luxation.
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