ADC Practice Question — RMD Classifications & Standards

What recent change has affected disinfectant selection in dental practices?

Infection control in the ADC exam tests decision-making around exposure incidents, instrument classification, and decontamination protocols. This exam-level vignette tests your ability to work through clinical details and arrive at the correct management.

Dr. Sarah Williams is establishing a new dental practice in Melbourne and is consulting with infection control specialist Maria Gonzalez about selecting appropriate disinfectants and understanding regulatory requirements. They are reviewing the different chemical disinfection options and recent regulatory changes affecting disinfectant selection. What recent change has affected disinfectant selection in dental practices?

A. New sterilisation standards have replaced disinfection requirements
B. All chemical disinfectants now require individual practice licensing
C. TGA requirements for disinfectant manufacturers have recently changed, forcing greater discretion onto clinical use applications
D. Disinfectants must now be compounded on-site rather than purchased commercially

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Sources cited

Therapeutic Guidelines v4 Odell's 3rd & 4th Ed IADT 2020 Code of Conduct CMS (Evans) Infection Control + more

Show the answer and cited explanation

Correct answer: C

The requirements of disinfectant manufacturers have recently been changed by the TGA, and these changes will force greater discretion onto clinical use applications (ICG p.57)

Source: ICG Section 11: Disinfection

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Exam preparation FAQ

How do I approach an unfamiliar RMD Classifications & Standards vignette?

Extract key clinical data from the stem before reading options. There are usually 3–4 critical variables that determine the correct answer.

How should I prepare for Infection Control in the ADC exam?

Build competence across all topics. The exam tests application of guidelines to clinical scenarios, not memorisation.

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What recent change has affected disinfectant selection in dental practices?

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