In processing methyl methacrylate, the resin may show porosity if the flask is placed too soon porosity most likely occur_____________?

Related Mcqs:

For photo-curing the composite resin the light source______________?

A. Should be held at a millimeter distance from the restoration B. Need no protection while in use C. Will cure composite upto a depth of 5 millimeter thickness D. Is fiber optic...

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%...

What is the disadvantage of using composites as restorative material ?

A. Increased thermal conductivity B. Decreased wear resistance C. Decreased thermal conductivity D. None of the above...

Most advantageous indication of acid etching is______________?

A. Decrease micro leakage B. Decrease polymerization shrinkage C. Decrease coefficient of thermal expansion D. Decrease porosity in restorative material...

The imperfection seen on the lingual flange of a lower denture caused by rapid heating during a curing cycle is called_____________?

A. Localised Shrinkage porosity B. Gas inclusion porosity C. Micro porosity D. Surface porosity...