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Oral Surgery · single question

A tuberculocidal (intermediate-level) disinfectant is indicated for disinfecting which of the following?

  1. Hands before gloving
  2. Items with low risk of bioburden, like light switches
  3. Semicritical surfaces/items such as impression trays and dental unit surfaces with high bioburden potential
  4. Single-use disposable items
Show answer and explanation

Correct answer: C. Semicritical surfaces/items such as impression trays and dental unit surfaces with high bioburden potential

Per CDC dental infection control guidance, intermediate-level (tuberculocidal) disinfectants are used on noncritical/semicritical clinical contact surfaces and items like impression trays that contact mucous membranes but cannot be heat-sterilized, especially when visibly contaminated with blood/saliva.

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