Periodontics · single question

A patient's DISTOLINGUAL CUSP of tooth #32 is fractured and they have an ulcer on the lateral tongue. What is the FIRST step?

  1. Immediately take incisional biopsy of the tongue ulcer
  2. Restore the fractured cusp OR selective grinding of the sharp cusp margin
  3. Prescribe antibiotics for the ulcer
  4. Take a panoramic radiograph first
  5. Refer to oral surgery immediately
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Correct answer: B. Restore the fractured cusp OR selective grinding of the sharp cusp margin

✓ B) Restore the cusp or smooth the sharp margin FIRST.
A traumatic ulcer on the tongue caused by a sharp fractured tooth cusp should be treated by ELIMINATING THE CAUSE first: either restore the fractured tooth or smoothly round the sharp cusp margin (selective grinding). Traumatic ulcers HEAL once the irritant is removed — typically within 1–2 weeks. DO NOT biopsy a traumatic ulcer before eliminating the cause. If the ulcer DOES NOT heal within 2 weeks after removing the source → THEN biopsy. This is the standard protocol: eliminate cause → wait 2 weeks → biopsy if no healing.

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