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!
|
|
||||
|---|---|---|---|---|---|
| The desirable strength of gypsum materials is _______ related to the amount if water used. A. directly B. Indirectly C. not D. partially | show 🗑
|
||||
| For gypsum products, a suitable accelerator and retarder, respectively, would be: A. ethyl alcohol and oleic acid B. oleic acid and glycerin C. borax and potassium sulfate D. potassium sulfate and borax | show 🗑
|
||||
| show | D. improved stone
🗑
|
||||
| show | B. 30-45 min
🗑
|
||||
| To make a correct mix for dental stone when using 50 g of powder, the amount of water would be approximately: A. 10-12 ml B. 14-15 ml C. 28-30 ml D. 45-50 ml | show 🗑
|
||||
| At a previous appointment, the orthodontist took impressions of the maxillary and mandibular arches. The replicas made from each impression to discuss the treatment plan are termed: A. casts B. dies C. study models D. molds | show 🗑
|
||||
| show | A. will set faster
🗑
|
||||
| show | C. plaster
🗑
|
||||
| show | B. dry strength
🗑
|
||||
| show | C. add powder to the water
🗑
|
||||
| A practical, easy method to determine final setting time in a dental office would be: A. set a timer for 20 min B. observe the change from wet to dry strength C. watch for the loss of gloss D. attempt to penetrate the material with the metal spatula | show 🗑
|
||||
| show | A. the material sets slower
🗑
|
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.
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.
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
daisenmurray
Popular Dentistry sets