Which of the following will produce the most rigid restoration for framework of same dimension ?
A. Wrought alloy
B. Palladium alloys
C. Cobalt-chrome alloys
D. Partial denture casting gold in hardened condition
A. Wrought alloy
B. Palladium alloys
C. Cobalt-chrome alloys
D. Partial denture casting gold in hardened condition
A. Molybdenum
B. Germanium
C. Titanium
D. Chromium
A. Alpha form
B. Beta form
C. Gamma form
D. None of the above
A. Oxidizing zone
B. Reducing zone
C. Combustion zone
D. None of the above
A. Thin sprue
B. No reservoir
C. Investment heated strongly
D. Inadequate air discharge
A. Decreasing the sprue length
B. Decreasing the sprue thickness
C. Increasing the melting temperature
D. Increasing the mould temperature
A. Type 1
B. Type 2
C. Type 3
D. Type 4
A. Carats
B. Percentage
C. Fineness
D. Gram
A. Improve bonding
B. Decrease porosity
C. They react with the porcelain opaque layer, which masks the metal
D. Improves the thermal expansion between the metal and porcelain
A. Gypsum bonded
B. Phosphate bonded
C. Silica bonded
D. None of the above