The plasticizers used in polyether impression material is_______________?
Correct answer: C. Glycol ether
- A. polyether polymer
- B. Colloidal silica
- C. Glycol ether
- D. Di-vinyl poly (dimethyl siloxane)
Explanation
Glycol ether functions as a plasticizer in polyether impression material, improving flexibility and handling. Colloidal silica is mainly a filler or thickening component, while vinyl siloxane belongs to silicone materials.
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