Ability of an orthodontic wire to spring back to its original shape is evaluated by_____________?

Related Mcqs:

1. 18-B Stainless steel orthodontic wire has_______________?

   A. 18% Nickel 8% Chrominum B. 18% Chromium 8% Nickel C. 18% Chromium 8% Cobalt D. 18% Carbon 8% Iron...

2. Stainless steel orthodontic wire can be hardened by________________?

   A. Tempering B. Work hardening C. Age hardening D. Precipitation hardening...

3. Etching depth after 30 sec for orthodontic bracket with orthophosphoric acid is_________________?

   A. 10 um – 20 um B. 3 um – 9 um C. 50 um – 110 um D. 200 um – 250 um...

4. The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?

   A. Conjugation B. Rarefaction C. Transduction D. Transformation...

5. Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?

   A. Fracture of the wire B. permanent deformation C. Spring back D. Increase in stiffness...

6. Lidocaine produces its antiarrhythmic effects by_____________?

   A. Increasing A-V conduction B. Decreasing cardiac excitability C. Increasing cardiac conduction velocity D. Increasing spontaneous pacemaker activity...

7. Citrate is a useful anticoagulant because of its ability to_____________?

   A. Buffer basic groups of coagulation factors B. Bind factor XII C. Bind vitamin K D. Chelate calcium...

8. The major antiseptic value of soap lies in its ability to_____________?

   A. Kill mircobes B. Remove microbes C. Inhibit microbial growth D. Dehydrate microbial cells...

9. Which type of collagen fibers demonstrates Chicken wire configuration ?

   A. Type I B. Type II C. Type III D. Type IV...

10. Chicken-wire appearance of enlarged bone marrow spaces is seen in_______________?

    A. Fetal alcohol syndrome B. Sickle cell anaemia C. Haemophilia A D. Beta thalassemia majon...