National Dental Examining Board of Canada (NDEB) Practice Exam 2026 – The Comprehensive All-in-One Guide to Exam Success!

Question: 1 / 400

Saliva contamination during Zn containing amalgam condensation will cause what?

Decreased expansion

Increased expansion and increase surface pitting

When Zn containing amalgam is being condensed, saliva contamination can result in increased expansion and surface pitting. This is because the chemical reaction between saliva and the amalgam will cause an increase in expansion and also lead to surface pitting, making it more susceptible to damage. Options A, C, and D do not address the potential consequences of saliva contamination and are therefore incorrect.

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Neutral effect

Improved strength

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