The main ingredient in dental plaster in_______________?

Related Mcqs:

1. 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...

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

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

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. The main ingredient of inlay wax is__________________?

   A. Candellila wax B. Paraffin wax C. Carnauba wax D. Gum dammar...

5. 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...

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

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

7. Dental anomaly of teeth associated with defective bone formation is seen in_______________?

   A. amelogenesis imperfecta B. dentinogenesis imperfecta C. Odontodysplasia D. Osteitis deformans...

8. Plaster of paris is mixed in________________?

   A. Plastic bowl B. Rubber bowl C. Glass bowl D. Metal bowl...

9. In plaster of paris the setting time is primarily altered by_________________?

   A. Altering P / L Ratio B. Altering temperature of mixing water C. Speed and length of hand spatulation D. Addition of accelerators and retarders...

10. Plaster mix____________?

    A. Rapid spatulation results in decreased setting time B. 2% potassium sulphate is accelerator C. Citrates are retarders D. All of the above...