Chapter 9- Gypsum Materials
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | A. directly
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show | D. potassium sulfate and borax
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show | D. improved stone
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The final setting time for gypsum products typically is: A. 10-30 min B. 30-45 min C. 45-90 min D. 90-120 min | show 🗑
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show | B. 14-15 ml
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show | C. study models
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Decreasing the setting time of a dental material results in a product that: A. will set faster B. will set slower C. does not effect the setting time D. enhances the properties | show 🗑
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The weakest gypsum product is: A. improved stone B. dental stone C. plaster D. die stone | show 🗑
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show | B. dry strength
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The best way to mix gypsum products is to: A. "eyeball" the amount of powder added to water B. add water to the powder C. add powder to the water D. add powder and water to bowl simultaneously | show 🗑
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show | D. attempt to penetrate the material with the metal spatula
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show | A. the material sets slower
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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