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Oral Surgery · single question

Which luxation injury is an AXIAL displacement (along the long axis of the tooth)?

  1. Subluxation
  2. Extrusion
  3. Concussion
  4. Lateral luxation
Show answer and explanation

Correct answer: B. Extrusion

  • A. Incorrect – loosening without displacement.
  • B. Correct – extrusion (partial axial displacement out of the socket) and intrusion are the axial luxation injuries.
  • C. Incorrect – injury to supporting tissues WITHOUT displacement.
  • D. Incorrect – lateral luxation is a non-axial (sideways) displacement, usually with socket-wall fracture.

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