A. Impression plaster
B. Irreversible hydrocolloid
C. Reversible hydroollioid
D. None of the above
Which is best material for RPD impression_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Impression plaster
B. Impression paste
C. Silicon impression material
D. None of the above
Which of the following is not affected by saliva ? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. CaCl2
B. Zinc acetate
C. Alcohol
D. Glycerine
Retarder in Zinc oxide eugenol is______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Aromatic sulfonate esters
B. Stannous octate
C. Platinum salt catalyst
D. Lead dioxide
A. Custom trays facilitate uniform contraction of impression material
B. Custom trays require less impression material
C. Stock trays may be short in the flange area
D. Impressions made n the custom trays are easier to remove from the mouth
A. Olive oil
B. Linseed oil
C. Zinc acetate
D. All of these
Name the accelerator used in Zinc oxide eugenol paste______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Addition silicone
B. Polysulphide
C. Polyetner
D. Condensation silicone
A. Liquefies between 71 – 100°C
B. Solidfies between 50 – 70°C
C. Facilitates fabrication of metal dyes
D. Cannot register fine surface details
Which of the following is true about Agar hydrocolloid impression material ? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Borax
B. Water
C. Sulfates
D. Carbonates
A. 100 ml of water to 60 gms of powder
B. 40 ml of water to 40 gms of powder
C. 40 ml of water to 15 gms of powder
D. 15 ml of water to 40 gms of powder
The water powder ratio of alginate is______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs