Subsurface porosity is due to_____________?

Related Mcqs:

Which one of the following is used as filler in composite resins ?

A. Quartz B. Silicates C. Zinc particles D. Aluminium...

Inadequate pressure application during flasking_______________?

A. Increases vertical dimension B. Causes teeth to be shrunken in investment C. Causes poor quality of colour D. Causes fracture of denture...

The % of free monomer in a heat – cured acrylic resin is_______________?

A. 3% to 5% B. 8% to 10% C. 0.2% to 0.5% D. 0.6% to 0.8%...

Cold cure acrylic expand in water by___________?

A. 1% by volume 0.23% by weight B. 10% by volume 0.23% by weight C. 0.1% by volume 0.23% by weight D. None of the above...

The particle size in microfilled composites is_____________?

A. 0.05 to 0.04mm B. 0.5 to 1.0 microns C. 0.01 to 0.1 microns D. 0.3 to 0.4mm...