National Dental Examining Board of Canada (NDEB) Practice Exam

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Master your National Dental Examining Board of Canada (NDEB) exams with our comprehensive practice guide. Achieve excellence in your dental certification with expertly crafted questions and detailed explanations.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which type of amalgam requires the least volume of mercury for the setting reaction?

Admixed
Spherical
Lathe-cut
Binary

The correct answer is: Spherical

Spherical amalgam requires the least volume of mercury for the setting reaction compared to other types of amalgam, making it the correct answer. This is due to its unique spherical shape, which allows for a more efficient use of mercury. Admixed amalgam typically requires more mercury due to its mixture of different particle sizes, while lathe-cut amalgam and binary amalgam also require more mercury for their setting reactions due to their larger surface area. This ultimately makes them less desirable options for amalgam restorations.