Balanced stone is dental stone_______________?

Related Mcqs:

1. Powders of dental plaster and dental stone differ mainly in____________?

   A. Solubility
   B. Shelf life
   C. Chemical formula
   D. Particle porosity

2. The main difference between dental stone and dental plaster is______________?

   A. Chemical composition
   B. Self life
   C. Sharpe and size of particles
   D. Solubility in water

3. Water powder ratio of dental stone and plaster is respectively_________________?

   A. 0.28 and 0.6
   B. 0.6 and 0.28
   C. 0.6 and 3.2
   D. 0.28 and 0.98

4. High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?

   A. Have less marginal breakdown
   B. Are workable at lower Hg-alloy ratio
   C. Have a higher ratio of tensile to compressive strength
   D. Have less resistance to tarnish and corrosion

5. The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?

   A. 19
   B. 20
   C. 21
   D. 26

6. The main ingredient in dental plaster in_______________?

   A. Calcium sulphate hemihydrate
   B. Calcium phosphate
   C. Calcium anhydrate
   D. Calcium sulphate dihydrate

7. Type III Dental gypsum is__________________?

   A. Class II stone
   B. Densite
   C. Class I stone or hydrocal
   D. Model or lab plaster

8. A balanced diet consists of______________?

   A. 20% proteins, 25% fats, 50% carbohydrates
   B. 20% proteins, 35% fats, 45% carbohydrates
   C. 25% proteins, 25% fats, 50% carbohydrates
   D. 35% proteins, 15% fats, 50% carbohydrates

9. Which of the following phases of dental amalgam has minimum strength____________?

   A. Gamma 1
   B. Gamma 2
   C. Epsilon 1
   D. Gamma 3

10. The base constituents of dental waxes come from three main sources except______________?

    A. Animal
    B. Mineral
    C. Insect
    D. Vegetable