To make the vinyl Polysiloxane hydrophilic the following is added_______________?
Correct answer: B. Surfactant
- A. Mineral oil
- B. Surfactant
- C. Water
- D. Plasticizer
Explanation
A surfactant is incorporated into vinyl polysiloxane to lower its contact angle and improve wetting of moist tooth surfaces. Mineral oil and plasticizers do not provide this hydrophilising action.
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
Dimensional stability of hydrocolloid impressions may be achieved by_________________?
Which of the following is correct regarding chemical setting of condensation silicone_______________?
Which of the following is used as surface hardener in Impression material ?
The role of magnesium chloride in zinc oxide eugenol impression paste_________________?
Impression compound is characterized by all of the following except_______________?
Rapid removal of rubber impression with a single firm motion results in____________________?