Acrylic resins were first introduced as a denture base material in______________?

Related Mcqs:

If curing occurs at temperature more than 100°C porosity results in which area of denture______________?

1. Hard thick central area 2. Thin Palatal area 3. Thin area of flanges 4. Porosity is uniformly distributed...

Polymerisation of heat-cured methyl methacrylate is initiated by______________?

A. Tertiary amine B. Benzoyl peroxide free radical C. Hydroquinone D. Methyl ether...

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

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

Which of the following is NOT true of polymethyl methacrylate ?

A. Knoop hardness number 18 to 20 B. Tensile strength of 60 MPa C. Density of 1.13 g/cm3 D. Modulus of elasticity of 3.4 GPa...

Porosity of denture base is due to_______________?

A. Packing at dough stage B. Curing at 160°F for 9 hrs C. Inadequate pressure D. All of the above...