The average life of silicate cement restoration is______________?

Related Mcqs:

1. One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?

   A. Prevent galvanic action
   B. Are practically insoluble in oral fluids
   C. Adapt to the walls of the cavity better
   D. Have a higher coefficient of thermal expansion

2. Silicate cement is indicated in________________?

   A. Mouth breathers
   B. Patients with high caries index
   C. In the restoration of posterior tooth
   D. None of the above

3. The principal constituent of set silicate cement matrix is_______________?

   A. Hydrated Aluminium phosphate
   B. Hydrated Aluminium Phosphate with calcium fluoride
   C. Hydrate Aluminosilicate gel
   D. Hydrated Aluminium phosphate crystal, CAF2 alluminosiliate gel

4. 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 at the margins of the restoration
   D. Due to the high silica content

5. Which of the following is common to both zinc eugenol cement and polycarboxylate cement?

   A. Polyacrylic acid is liquid
   B. Chemical bond to tooth structure
   C. Chelation
   D. Substitution o eugenol by EBA to increase strength of cement

6. The temperature (in °F) of the mixing slab for silicate cements should be_____________?

   A. 55 – 65
   B. 65 – 75
   C. 75 – 85
   D. 85 – 95

7. Which of the following characterizes the silicate cement______________?

   A. It is pulpal irritant
   B. It is highly cariogenic
   C. Chemically attaches to the tooth structure
   D. It produces thinnest film surface

8. The most commonly used, most biocompatible and adhesive cement is______________?

   A. Zinc phosphate
   B. Zinc oxide eugenol
   C. Calcium hydroxide
   D. Glass ionomer

9. By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________?

   A. Ethyl alcohol
   B. Glycol
   C. Acetate
   D. Propanolol

10. MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?

    A. Carboxyl group
    B. Chelates with Metal Ions
    C. C=C double bond
    D. Polymer chains