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Biostatistics & Research · single question

An endo ice test returns a FALSE NEGATIVE result. This means:

  1. The tooth appears vital but is actually non-vital (test missed true pathology)
  2. The tooth appears non-vital but is actually vital
  3. The test correctly identified a non-vital tooth
  4. The test correctly identified a vital tooth
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Correct answer: A. The tooth appears vital but is actually non-vital (test missed true pathology)

  • A. Correct. A FALSE NEGATIVE means: the test RESULT is NEGATIVE (no response to cold = suggests non-vital), but the tooth IS ACTUALLY VITAL (truly positive/vital). The test incorrectly missed the true positive. This can happen with calcific metamorphosis, excessive dentin thickness, or patient anxiety.
  • B. A false positive would be: test shows response (appears vital) but the tooth is actually non-vital.
  • C. Correctly identifying a non-vital tooth = TRUE NEGATIVE.
  • D. Correctly identifying a vital tooth = TRUE POSITIVE.

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