44.
The glass ionomer cement powder contains a mixture of __________________
glass with dry __________________________ acid.
45.
List important properties of glass ionomer cement.
a. It adheres chemically to _____________ and _______________ and, also, to
_________________ tooth structure.
b. It is well tolerated by the dental ________________ .
c.
It remains __________________ under a load.
d. It possesses high _____________________ strength.
e. It is simple to proportion, to _____________, to _________________, and to
______________ ______________ .
46.
Describe the appearance of glass ionomer cement.
a. It should always have a ___________________ appearance.
b. When the surface becomes _________________, the setting reaction has
started. The mix should be discarded.
47.
For glass ionomer cement, why is it important never to exceed the working time?
Exceeding the working time will result in __________ of ____________ to
enamel and dentin.
48.
The normal ratio of powder to liquid for glass ionomer cement is:
a. One level scoop of powder to two drops of liquid.
b. Two drops of liquid to one heaping scoop of powder.
MD0502
1-32