OSCE Practice – Surface Decontamination

Practise recognising and performing effective surface decontamination in a dental setting, following NEBDN OSCE expectations.

Scenario

The examiner asks you to demonstrate correct cleaning and disinfection of clinical surfaces after patient treatment.

Your Task

  • Identify surfaces requiring decontamination
  • Select appropriate disinfectant products
  • Perform correct cleaning and disinfection technique
  • Prevent cross contamination during cleaning
  • Maintain compliance with infection control standards

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Key Learning Points

  • Dental chair surfaces should be cleaned using approved disinfectant wipes (e.g. 70% alcohol or chlorine-based where indicated)
  • The two-wipe technique involves cleaning first, then disinfecting with a second wipe
  • All high-touch clinical surfaces must be disinfected after each patient
  • Wipe contamination can be minimised by using single-use wipes and avoiding re-dipping
  • Surfaces must be visibly clean before disinfection
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