This quiz assesses knowledge of dental materials, focusing on alginate, elastometric materials, and impression compounds, essential for dental professionals.
Thermoplastic
Elastometric
Inelastic
Resins
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Make the mix unstable
Lengthen the gelation time
Not affect gelation time
Shorten the gelation time
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Impression compound
ZOE impression paste
Polysulfide
Irreversible hydrocolloid
Addition silicone
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Polymer
Accelerator
Base
Filler
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Chemoplastic material
Irreversible material
Hydroelastic material
Thermoplastic material
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Crystallization
Polymerization
Curing
Gelation
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High cost
Need for special equipment
Poor reproduction of detail
Difficulty in pouring the impression
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Imbibition
Gelation
Syneresis
Hysteresis
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True, false
False, true
Both true
Both false
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True, false
False, true
Both true
Both false
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Agar
Alginate
Dental impression compound
Addition silicone
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Stock tray
Custom tray
Triple tray
Bite registration tray
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Agar
ZOE
Alginate
Addition silicone
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Directly
Indirectly
Not
Partially
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Ethyl alcohol and oleic acid
Oleic asid and glycerin
Borax and potassium sulfate
Potassium sulfate and borax
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Plaster
Dental stone
Type III stone
Improved stone
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15-30 min
30-45 min
45-90 min
90-120 min
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10-12 ml
14-15 ml
28-30 ml
45-50 ml
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Casts
Dies
Study models
Molds
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Takes less time to set
Takes more time to set
Does not affect the setting time
Enhances the properties
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Improved stone
Dental stone
Plaster
Die stone
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Wet strength
Dry strength
Initial setting time
Surface strength
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"eyeball" the amount of powder added to water
Add water to the powder
Add powder to the water
Add powder and water to the bowl simultaneously
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Set a timer for 20 min
Ovserce the c hange from wet to dry strength
Watch for the loss of gloss
Attempt to penetrate the material with the metal spatula
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The material sets slower
The material sets faster
The setting reaction does not change
The setting reaction is increased
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Explain the procedure to the patient
Place a napkin on the patient to protect their clothing
Place the patient in upright position
Have the patient remove all removable appliances
All of the above
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12:00
7:00
11:00
9:00
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Add water to the powder
Add the powder to the water
Add them together at the same tiem
It can be in any sequence
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Working time begins when water and powder come together
Cooler water increases working time
Warmer water decreases working time
Working time begins when the impression is seated
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1 min; 1-2 min
1 min; 3-4 min
3-4 min; 1 min
1-2 min; 1 min
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It is the quicker method of the two
Prevents distortion of oral structures
Produces a bettter reproduction of oral structures
It is a safer technique
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Loss of gloss
Loss of resilience
Decreased compressive strength
Decreased elasticity
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1.5-2
2-2.5
2.5-3
3-3.5
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To decrease healing time
To stop post surgical bleeding
To help hold the healing tissues in place
To keep bacteria away from the healing tissues
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Physical retention
Adhesion to the tissues
Sutures
Adhesive foil
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Extended to the occlusal surface
Extended to the depth of the vestibule
Lightly pressed into the interdental space to allow for easy removal
Rigid with tapered edges
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Do not consume warm foodstuffs for 2 hours following surgery
If a piece of the dressing breaks off, return to the office immediately for emergency care
If a small peice of fressing crumbles off, simply discard it
Do not smoke for 2 hours following surgery
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The area is swabbed with a disinfectant and rinsed to remove food and bacterial debris
The tissues are checked for the healing response and noted in the chart
Residual pieces of dressing in and around the tissues are removed
Areas of residual calc are charted for removal at the next scale and polish
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Quiz Review Timeline (Updated): Mar 22, 2023 +
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