Vocabulary
___ is the absorption of water, which causes an object to swell
imbition
How is the light body impression material applied during the final impression procedure
An extruder with a tip
What dental material is used in the creation of a dental model
gypsum
Is an impression a positive or negative reproduction
negative reproduction
What piece of equipment is used to grind away plaster or stone
Model trimmer
___ is a way of bringing a material to a desired temperature and consistency
tempering
#7
Which viscosity of a final impression material is applied first to the prepared tooth
light body
Which type of impression tray covers half an arch
quadrant tray
How are undercuts corrected on a model when preparing custom trays
filling with wax
A(n) ___ is a gel or sol substance with its particles suspended in a water based medium
colloid
Which type of custom tray uses volatile hazardous material
acrylic resin
Material universally used to take bite registration
baseplate wax
For what type of impression is elastomeric material used for
final impressions
What piece of equipment does the dentist use to determine centric relation on a diagnostic
face bow
A(n) ___ is a dental laboratory device that simulates the movement of the mandible and the TMJ when models of the dental arches are attached
Articulator
Alginate is also named ____
irreversible hydrocolloid
What type of Custom tray would be made for bleaching procedure
thermoplastic resin
What 3 impressions can the RDA/EFDA legally take
final, preliminary, and bite registration
What are the 2 parts of the dental model
anatomic portion and art
A ___ is a compound of a gypsum product with two parts water to one part calcium sulfate
Dihydrate
What type of tray mechanically locks
custom perforated tray
Type of gypsum used to fabricate die for 17. What is one specific area of a dental model where making an indirect restoration?
high strength stone
What is the most common material used for bite registration
polysiloxane
What are the 5 forms of gypsum
impression plaster, model plaster, dental stone, die stone, high strength stone