Impression compound is characterized by all of the following except_______________?
Correct answer: B. Is a thermoset material
- A. Warps at room temperature
- B. Is a thermoset material
- C. Shows increased flow when kneaded with water
- D. Low coefficient of thermal conductivity
Explanation
Impression compound is thermoplastic, meaning it softens on heating and hardens on cooling, rather than undergoing irreversible thermoset curing. Its low thermal conductivity and tendency to warp are characteristic limitations.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Impression Materials
102 free Impression Materials MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Dental Materials questions like this
Dental Materials is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Impression Materials questions
The role of magnesium chloride in zinc oxide eugenol impression paste_________________?
To make the vinyl Polysiloxane hydrophilic the following is added_______________?
Dimensional stability of hydrocolloid impressions may be achieved by_________________?
Rapid removal of rubber impression with a single firm motion results in____________________?
Which of the following impression material is rigid ?
Elastomers except: Polyether are_______________?