Study sets, textbooks, questions
Upgrade to remove ads
Chapter 46: Impression Materials
Terms in this set (42)
Gelatin-type material derived from seaweed.
Irreversible hydrocolloid material used for taking preliminary impressions.
Foundation or the basic ingredient of a material.
Process of using fingers to contour a closer adaptation of the margins of an impression while still in the mouth.
Substance that modifies or increases the rate of a chemical reaction.
Having an object centered, such as maxillary teeth centered over mandibular teeth in correct relations.
A suspension of particles in a dispersion medium such as water. It's two phases are sol and gel.
Material having elastic properties from rubber.
Prefix meaning "water"
A change in temperature that causes the reversible hydrocolloid material to transform from one physical state to another.
Absorption of water, causing an object to swell.
Reproduction of a patient's bite with the use of wax or elastomeric material.
Loss of water, causing something to shrink.
Bringing a material to a desired consistency.
Physical property of a fluid related to resistance to flow.
Is an impression a negative or a positive reproduction?
Of the three classifications of impressions, which can the EFDA legally take?
Which of the three classifications of impressions is used for occlusal relationships?
Which type of stock tray would you select to cover half of an arch?
Which type of tray allows impression material to mechanically lock on?
Which type of impression tray is used most often for taking final impressions?
What is used to extend the length of a tray?
What is the organic substance within hydrocolloid materials?
Why would you select a fast-set alginate over a normal-set Alginate?
The patient has a strong gag reflex.
What is the matter-to-powder ratio for taking a maxillary impression?
3 scoops of powder to 3 measures of water
What does the prefix "hydro" mean?
What is another name for irreversible hydrocolloid?
Do you mix irreversible hydrocolloid on a paper pad or in a mixing bowl?
Before an impression is taken with reversible hydrocolloid, where is the material kept?
Is an elastomeric material used for preliminary impressions or final impressions?
In which three ways are elastomeric materials supplied?
Light bodied, regular, and heavy bodied.
What material does the dentist first apply to the teeth- the heavy bodied or the light bodied form?
Light bodied form
What is another term for polysulfide?
How is light bodied material placed around a prepared tooth?
Extruder with tip/ COE syringe
What system completes the mixing of final impression material for the assistant?
What material is used most often for a bite registration?
What type of tray is used when ZOE bite registration paste is applied?
Do you cool or warm the wax before placing the tray in the patients mouth for a bite registration?
A preliminary impression is _______ before transport to the lab to pour up.
Rinsed, disinfected, wrapped in a moist paper towel, and placed in a precautionary bag.
While the dentist is dispensing the syringe material around the prepared tooth, what should the dental assistant be doing during a final impression procedure?
Readying the tray with heavy body material
What tray type is most commonly selected when. Polysiloxane bite registration material is used?
Which type of tray is constructed to fit the mouth of a specific patient?
Sets found in the same folder
Dental Materials Gypsum Products
Provisional Coverage Quiz Review/ Dental Materials…
MDA chapter 44
Chapter 52- Removable Prosthodontics
Sets with similar terms
ch 46 impression materials
Chapter 46 - Impression Materials
IMPRETION MATERIALS CHAPTER 46
Other sets by this creator
Dental Assisting Ch. 61 Communication in the Denta…
Chapter 26: The Patient's Dental Record
Chapter 51 - Provisional Coverage
Other Quizlet sets
MAR3023 CH. 11: PRODUCT CONCEPTS
psych 367 final
A&P Chapter 1 Test