Podcast
Questions and Answers
Which mineral is used for dental purposes?
Which mineral is used for dental purposes?
- Calcium sulfate dihydrate (correct)
- Calcium phosphate
- Calcium carbonate
- Calcium chloride
What is the process called when part of the water of crystallization is driven off from gypsum?
What is the process called when part of the water of crystallization is driven off from gypsum?
- Precipitation
- Crystallization
- Calcination (correct)
- Evaporation
Which type of gypsum contains potato starch to render it soluble?
Which type of gypsum contains potato starch to render it soluble?
- Type 4 (Improved stone)
- Type 3 (Dental stone)
- Type 1 (Impression plaster) (correct)
- Type 2 (Dental plaster)
What temperature range is required to drive off part of the water of crystallization in dental plaster?
What temperature range is required to drive off part of the water of crystallization in dental plaster?
What are the desirable properties of dental stone and improved stone?
What are the desirable properties of dental stone and improved stone?
Which type of gypsum is known for its high fracture rate?
Which type of gypsum is known for its high fracture rate?
What is the temperature range required to drive off part of the water of crystallization in dental plaster?
What is the temperature range required to drive off part of the water of crystallization in dental plaster?
Which property is NOT a desirable property of dental stone and improved stone?
Which property is NOT a desirable property of dental stone and improved stone?
What mineral is gypsum used for dental purposes made of?
What mineral is gypsum used for dental purposes made of?
What is the process called when gypsum is heated to become anhydrite?
What is the process called when gypsum is heated to become anhydrite?
Flashcards
Dental Gypsum Mineral
Dental Gypsum Mineral
Calcium sulfate dihydrate, used in dental procedures.
Calcination Process
Calcination Process
Heating gypsum to drive off some water, forming anhydrite.
Type 1 Gypsum (Impression Plaster)
Type 1 Gypsum (Impression Plaster)
Gypsum containing starch, making it soluble.
Dental Plaster Calcination Temp.
Dental Plaster Calcination Temp.
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Dental Stone Properties (Desirable)
Dental Stone Properties (Desirable)
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Type 1 Gypsum Fracture Rate
Type 1 Gypsum Fracture Rate
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Dental Stone Compatibility
Dental Stone Compatibility
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Gypsum Dental Component
Gypsum Dental Component
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Gypsum to Anhydrite Process
Gypsum to Anhydrite Process
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Dental Stone vs. Impression Compatibility
Dental Stone vs. Impression Compatibility
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