Hamad Impression Materials 23/09/2021 A. CaCl2 B. Zinc acetate C. Alcohol D. Glycerine Related Mcqs: Hysteresis in a hydrocolloid gel is______________?A. Moisture absorption B. Temperature lag between gelation and liquefaction temperature C. Phenomenon of conversion of gel into sol D. All of the above... Masterial causing minimum tissue distortion is______________?A. Polysulphide B. Silicone C. Impression plaster D. Zinc oxide eugenol paster... The role of magnesium chloride in zinc oxide eugenol impression paste_________________?A. Retarder B. Modifier C. Plasticier D. Accelerator... Most rigid elastomer is___________________?A. Polyether B. Polysulphide C. Addition silicone D. Condensation silicone... The impression for a diagnostic cast of a partial edentulous mouth should be taken in_______________?A. Impression wax B. Modelling compound C. Hydro-colloid D. Hydro cal...
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