Lab Equipment
Used to smooth , cut and alter a Dental Model
What is Model Trimmer
The portion of model with Teeth and oral mucosa.
What is the Anatomic portion
This stone is used for working models for dentures
What is dental stone
This is the recommended water/powder ratio for model plaster.
The lab is the appropriate place to eat and drink in the dental office.
What is NEVER!!
Materials brought into the Lab from treatment room are considered
What is contaminated
The portion of model with the base and the cast
What is the Art portion
Gypsum material will be _____________if additional powder is added after mixing has begun.
What is weaker
This is used to extend the border of an Impression tray
what is Utility wax
This is used to polish dentures
What is a Lathe
This is used to polish or trim custom trays
What is a Dental Lathe
A trimmed Maxillary model will be what shape
After Fabrication when can a self cured resin custom tray be used
What is 24 hours
____________ MM of water should be mixed with 100 grams of High-strength dental stone
What is 19-24
These are used to prevent a custom impression tray from sitting too deeply.
What is spacer stops
This is used to conform a sheet of which resin materials to a diagnostic model.
What is Thermoplastic
A trimmed Mandibular will be what shape
What is rounded
This can cause air bubbles in an Impression
What is an improper pouring of Impression
This type of Baseplate wax is the softest
When constructing custom trays , it is best to remove excess material with ___________ after it has cured.
What is a lab knife
The vertical indicator rod on the Face bow should be aligned with what landmark.
What is the midline
A custom Impression tray should fit and maintain what beyond the last tooth in the quadrant
What is 2 to 3 mm
When Gypsum is heated , the water is removed and Gypsum is converted into powered _________, which is 1/2 part water to 1 part calcium sulfate.
What is Hemihydrate
Edentulous trays may have at least _____ spacer stops.
What is 4
This is sometimes called Plaster of Paris
What is Model Plaster