Which one of the following increase the strength and reduce viscosity of agar hydrocolloid impression material_____________?
Correct answer: A. Borax
- A. Borax
- B. Water
- C. Sulfates
- D. Carbonates
Explanation
Borax strengthens the agar gel and is used as a modifying ingredient in agar hydrocolloid. Water mainly acts as the dispersion medium, while sulfates are added chiefly to counteract agar's gypsum-setting inhibition.
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
Which of the following is true about Agar hydrocolloid impression material ?
Linear contraction of elostomeric impression with passage of time is highest in______________?
When making a polysulphide impression for a caste crown, custom trays are usually preferred over stock trays for all of the following reasons except_______________?
The water powder ratio of alginate is______________?
Best impression material to be used for securing impression after crown preparation_______________?
Which of the following is correct glass transition temperature of Impression compound ?