Hamad Impression Materials 01/08/2020 A. Agar B. Alginate C. Elastomers D. Impression compound Related Mcqs: Vulcanization refers to the setting of__________________?A. Reversible hydrocolloid B. Mercaptan impression material C. Zinc Phosphate cement D. Zinc oxide-eugenol... The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?A. 19 B. 20 C. 21 D. 26... Rough and irregular surface produced on the impression is because of ?A. Improper application of pressure during impression making B. Air incorporated during mixing C. Too rapid polymerization D. Presence of moisture in impression area... Impression material that Do NOT harden by chemical reaction_______________?A. Zinc oxide eugenol B. Impression compound C. Alginate D. Plaster of paris... Agar impression materials differ from alginate impression materials in that the former sets by_______________?A. Mechanical action of saliva B. Physical change C. Evolution D. Chemical change...
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