What is the working time of zinc polyacrylate cement ?
What is the working time of zinc polyacrylate cement ? A. 1 Minutes B. 2 MinutesC. 3 Minutes D. 4 Minutes
What is the working time of zinc polyacrylate cement ? A. 1 Minutes B. 2 MinutesC. 3 Minutes D. 4 Minutes
All of the following is used as accelerator in zinc oxide eugenol cement except_____________? A. Acetic acid B. Zinc acetate dehydrate C. Calcium chlorideD. Bromoglycerine
The tow cements which hold with the tooth are_______________? A. GIC and polycarboxylate B. GIC and ZnPO4 C. ZnPO4 and silicate D. GIC and silicate
The logical explanation for the unique anticariogenic property of most silicate cements is______________? A. The reduction in enamel solubility due to fluoride uptake by enamel B. That beryllium flux is used in silicates C. That silicates show very little leakage…
Thermal conductivity of which material is close to dentin____________? A. AmalgamB. Silicate C. Composite resin D. Cavity varnish
Eugenol may be replaced in the zinc oxide eugenol cement by______________? A. Acetic acid B. Alginic acid C. Phosphoric acidD. Ortho-ethoxy acid
Which is the cement with adhesive properties ? A. Zinc oxide eugenol B. Zinc polycarboxylate C. SIlicate D. Glass ionomerE. Both B & D
Which of the following do polycarboxylate and GIC have in common ? A. Polysiloxane B. Phosphoric acidC. Polyacrylic acid D. Ion leachable glass
Which of the following show chemical bond with enamel (Calcified tissues)______________? A. Composites B. Direct filling resinsC. Polycarboxylate cements D. BIS-GMA resins in pit and fissure sealants
Increased amount of powder in zinc phosphate cement mixture will cause_______________? A. Decreased strength B. Decreased film thicknessC. Decreased solubility D. Increased setting time