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Periodontics · single question

Guided tissue regeneration (GTR) is most PREDICTABLY successful in treating:

  1. Horizontal bone loss
  2. Vertical (intrabony/angular) defects
  3. Suprabony pockets
  4. Class III furcation involvements
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Correct answer: B. Vertical (intrabony/angular) defects

  • A. Horizontal loss has no contained space for regeneration.
  • B. Correct. Narrow, contained 2–3 wall intrabony (vertical) defects respond most predictably to GTR.
  • C. Suprabony pockets lack a contained osseous defect.
  • D. Class III (through-and-through) furcations have a poor/unpredictable GTR response.

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