Final setting time for artificial stone, depending of the type mixed, is:
a. 10 to 25 minutes.
b. 25 to 45 minutes.
List the methods used to hasten the setting time for gypsum plaster products.
a. Use ______________ water.
b. Mix for a ______________ period of time.
Use a ___________________ accelerator.
d. Use warm water, up to __________ F.
Soaking the cast for several hours in a solution of borax will increase the surface
a. Plaster of Paris.
b. Artificial stone.
Match the common use in Column I to the appropriate dental wax in Column II.
Write your answers in the space provided.
Used to prepare patterns for crowns
Used for making occlusal rims
Holds together broken pieces of a
Inlay casting wax.
Adapts impression trays for individual
Forms a box around impressions
Used in relining or rebasing partial