Impressions
Of the 3 classifications of impressions the EFDA/RDA can legally take which ones
Preliminary, Bite, and Final
Another name for Alginate is _____ ______
irreversible hydrocolloid
Processing of using finger pressure to contour a closer adaption of margins of impression
border molding
final
100:50
An impression is ___ reproduction
negative
What is the organic substance within hydrocolloid material
seaweed
Change in temperature that causes a change from one physical state to another
hysteresis
What technique is used to place light bodied material around a prepared tooth
extruder with tip
Powder to water ratio for maxillary preliminary impressions
3:3
Which impression is used for occlusal relationship
bite registration
When mixing irreversible hydrocolloid material what is it mixed on/in
rubber mixing bowl
Absorption of water causing an object to swell
imbition
What elastomeric material is applied first when preparing a tooth
light body
A self curing acrylic resin tray needs __ hours to become dimensionally stable and ready for patient
24
What type impression tray allows impression to lock on mechanically
perforated tray
Where is reversible hydrocolloid material maintained before taking an impression
conditioning bath
Loss of water causing something to shrink
syneresis
What system is used to mix the final impression material for you
automix
Powder to water ratio for mandibular preliminary impressions
2:2
What type of tray covers half an arch
quadrant
What are the three ways elastomeric material is supplied
light, regular, and heavy body
A substance that modifies of increases the rate of chemical reaction
catalyst
What is another name for a rubber base
polysulfide
To create a better look when polishing a plaster model soak it in soapy water for __ hours, allow to dry, then polish with soft cloth
24