Best material for duplicating cast is_______________?
Correct answer: A. Agar-agar
- A. Agar-agar
- B. Alginate
- C. Zinc oxide eugenol
- D. Plaster of paris
Explanation
Agar-agar is preferred for duplicating casts because it is a reversible hydrocolloid that can reproduce fine detail and be liquefied for repeated use. Alginate is generally used as an impression material rather than as the standard cast-duplicating material.
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
Syneresis seen in hydrocolloid gel is______________?
Impression techniques are used for recording________________?
Vulcanization refers to the setting of__________________?
The base paste of the condensation poly sillicone has a low molecular weight dimethyl siloxane with a terminal-group_______________?
Hysteresis in a hydrocolloid gel is______________?
All of the following statements about Type II silicon impression material are true EXCEPT_______________?