Ace the California RDA Written Exam 2026 – Drill, Fill, and Thrill Your Way to Success!

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Which form of gypsum is used to fabricate a die for making an indirect restoration?

Model plaster

Dental stone

High-strength stone

High-strength stone is the most suitable gypsum product to use for creating a die for making indirect restorations because it has a higher compressive strength and is less likely to fracture or deform during the fabrication process. Model plaster, dental stone, and impression plaster are all lower in strength and may not provide the necessary precision and durability needed for this application. Therefore, they are not the preferred gypsum products for creating dental dies.

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Impression plaster

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