INBDE (Integrated National Board Dental Examination) Practice Exam

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Which type of amalgam is harder to condense and better for proximal contacts?

  1. Spherical

  2. Admixed

  3. Gamma 2

  4. Beta

The correct answer is: Admixed

Admixed amalgam is a type of amalgam that combines both spherical and irregular particles. This makes it less dense and easier to condense compared to spherical amalgam, which is made up of uniformly shaped particles. Gamma 2 and beta amalgam are both made up of irregular particles and can be more difficult to condense, resulting in potential overhangs which could cause issues with proximal contacts. Therefore, the best option for efficient condensation and ideal proximal contacts is admixed amalgam.

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