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WorksheetsDM 1
Total questions: 10
Worksheet time: 5mins
The process of changing the rubber base product or liquid polymer, to a rubber like material is generally known as
Boiling
Condensation
Vulcanization
Chain lengthening
The coefficient of thermal expansion of which of the following dental materials is the highest?
Amalgam
Gold Inlay
Silicate Cement
Acrylic Resin
The enamel metal bond between porcelain and metal is by:
Mechanical retention
Compressive stresses
Chemical bonding
All of the above
Brazilian test is used to determine the ultimate tensile strength of
Ductile Materials
Brittle Materials
Malleable Materials
Flexible Materials
Munsell system is used to
Define and measure colour qualitatively
Define and measure physical properties of gold alloys
Evaluate brittleness of different alloys
Measures different colours quantitatively
Satellite alloys is often referred to as
Chromium and Cobalt alloy
Chromium and cobalt and nickel alloy
Iron and chromium alloy
Chromium and nickel alloy
Green shrinkage is associated with
Porcelain
Gypsum Products
Silica Investment
Glass Ionomer
The process of heating a cast alloy to eliminate composition difference is called
Work hardening
Annealing
homogenization
Concentricity
Part of alginate impression which will set first is
At the bottom of tray
Next to mucosa
Uniform throughout
That in contact with saliva
Highest modulus of elasticity is found in:
β-titanium wire
Stainless Steel
Nickel-Titanium Wire
Chrome Cobalt Nickel Wire
