Removing The Cast From The Denture

Front 1

Name three tools that can be used to remove the cast from a resin denture base after it has been processed

Back 1

Plaster knife, plaster saw, and/or a pneumatic air hammer

Front 2

Strategic cuts are made in the cast with the plaster ______ so that the cast may be removed from the denture without breaking the denture or causing _________.

Back 2

SAW, DISTORTION

Front 3

A plaster _______ is placed in to the saw cuts and the cast is gently fractured along the cut.

Back 3

KNIFE

Front 4

After removing the cast from the denture the "flash" around the borders of the denture are removed with an arbor band on a lathe. What is flash?

Back 4

EXCESS RESIN

Front 5

Name an alternate less satisfactory method to remove "flash" from a denture.

Back 5

Using a stone in a handpiece

Front 6

To remove flash around the denture teeth what kind of instrument should be used?

Back 6

A sharp instrument

Front 7

When using a carbide bur to remove excess resin from around the teeth what must be done to the bur first?

Back 7

It must be sharpened to a chiseled edge and held in an instrument

Front 8

What's next after the flash has been removed from the denture?

Back 8

The start of polishing stage is next.

Front 9

Name a downside of using an acrylic bur to remove excess resin from a denture.

Back 9

It may produce bur marks on the denture which become difficult to remove during polishing.