Hamad Impression Materials 22/04/2020 A. Ethyl alcohol B. Glycol C. Acetate D. Propanolol Related Mcqs: Agar syringe material can be used with/as______________?A. Agar B. Alginate impression material C. Both of the above D. Primary impression... Elastomers except: Polyether are_______________?A. Hydrophilic B. Hydrophobic C. Water loving impression materials D. Potassium alginates... Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid_______________?A. Condensation silicone B. Polyether C. Polysulfide D. Poly vinyl siloxane... Which of the following is true about Agar hydrocolloid impression material ?A. Liquefies between 71 – 100°C B. Solidfies between 50 – 70°C C. Facilitates fabrication of metal dyes D. Cannot register fine surface details... All of the following statements about an alginate impression are EXCEPT________________?A. It should be rapidly displaced from the mouth B. It may exhibit fluid exudates on the surface as a result of imbibition of water C. It will take up water and expand if kept wet D. It will shrink as a result of syneresis...
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