Which two metals are found in the gamma phase?

Prepare for the Pennsylvania Expanded Function Dental Assistant (EFDA) Board Exam. Access flashcards and multiple choice questions with hints and explanations. Ace your exam efficiently!

The gamma phase is a term used in the context of dental materials, specifically referring to a specific arrangement or type of alloy. In dentistry, one of the most significant aspects of the gamma phase involves the metals that participate in dental amalgams. The two metals commonly associated with the gamma phase are mercury and tin.

Mercury serves as a liquid metal that binds with other metals to form the amalgam, while tin is included to enhance the properties of the mixture, such as improving the flow and shortening setting time. Their interaction in the gamma phase contributes positively to the overall properties of the dental amalgam, making it strong and durable for restorative purposes. Understanding this relationship is crucial for dental assistants and technicians who work with these materials in clinical settings.

In contrast, other combinations of metals in the options do not relate specifically to the gamma phase as recognized in dental amalgams, replacing them with other metals might suggest different phases or properties that are less relevant to this specific context.

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