What is the CDC's maximum recommended level of heterotrophic bacteria in dental unit water used for nonsurgical procedures?

  • Correct answer

    500 CFU/mL

  • 50 CFU/mL

  • 5,000 CFU/mL

  • 200,000 CFU/mL

This question is one of 15 in AFK practice: Prevention, infection control and ethics. Test yourself on all of them.

Practice quiz Flashcards

Explanations

  • The CDC recommends that water for nonsurgical dental treatment meet the drinking-water standard of 500 CFU/mL or less of heterotrophic bacteria. Untreated waterlines can exceed 200,000 CFU/mL, which is why they need treatment and monitoring.

    Source: CDC Guidelines for Infection Control in Dental Health-Care Settings (2003) link — oneguy

Log in to add an explanation.

Report a problem

Advertisement