NEW
Font size
WorksheetsDental Impression Materials Quiz
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of accurate impressions in dentistry?
To reduce treatment time
To design and construct prostheses
To improve patient comfort
To create decorative models
Which property must impression materials possess to adapt well to oral tissues?
High viscosity
Fluidity
Low cost
Dimensional instability
What type of impression material can revert to a previous state when heated?
Alginate
Agar
Polysulfide
Zinc Oxide-Eugenol
Which elastomeric impression material is known for its low dimensional change?
Polyether
Condensation Silicone
Addition Silicone
Polysulfide
What is the main advantage of using custom trays in dental impressions?
They reduce material usage
They are cheaper
They are disposable
They are easier to clean
What is a common cause of bubbles in elastomeric impressions?
Using too much material
Improper tray selection
Air entrapment during mixing
Incorrect mixing
Which of the following is a characteristic of irreversible hydrocolloids?
They are used for detailed impressions
They are flexible
They set through a chemical reaction
They can be reheated
What is the recommended setting time for alginate impressions?
10-15 minutes
30 minutes
1-2 minutes
3-6 minutes
Which impression material is known for its high tear strength?
Alginate
Polysulfide
Addition Silicone
Agar
What is the main disadvantage of using alginate for impressions?
It is difficult to mix
It has low dimensional stability
It is too expensive
It cannot capture fine details
