10 Questions
Which mineral is used for dental purposes?
Calcium sulfate dihydrate
What is the process called when part of the water of crystallization is driven off from gypsum?
Calcination
Which type of gypsum contains potato starch to render it soluble?
Type 1 (Impression plaster)
What temperature range is required to drive off part of the water of crystallization in dental plaster?
110-120°C (230-250°F)
What are the desirable properties of dental stone and improved stone?
Accuracy, dimensional stability, ability to reproduce fine details, strength and resistance to abrasion
Which type of gypsum is known for its high fracture rate?
Type 1 (Impression plaster)
What is the temperature range required to drive off part of the water of crystallization in dental plaster?
110-120°C (230-250°F)
Which property is NOT a desirable property of dental stone and improved stone?
Compatibility with the impression material
What mineral is gypsum used for dental purposes made of?
Calcium sulfate dihydrate
What is the process called when gypsum is heated to become anhydrite?
Calcination
Test your knowledge on different types of gypsum and its uses in dentistry with this informative quiz. Learn about the process of calcination and the formation of calcium sulfate hemihydrate. Discover the various applications of gypsum products in the field of dentistry.
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