Similar questions:
A hardened gold alloy will exhibit
less plastic deformation per unit of stress than the same alloy in a softened conditionNDEB released questions part 2 set 2
When gold or a gold alloy changes from a liquid to a solid state it
contracts.NDEB released questions part 2 set 2
A measure of the stiffness of a dental gold alloy is expressed as its
modulus of elasticityNDEB released questions part 2 set 3
Gold alloy can be given a white colour by introducing sufficient
palladium.NDEB released questions part 2 set 7
The higher modulus of elasticity of a chromium-cobalt-nickel alloy, compared to a Type IV gold alloy, means that chromium-cobalt-nickel partial denture clasp will require
a shallower undercut.NDEB released questions part 2 set 11
Hardening of Type IV cast gold dental alloys by heat treatment increases
yield strength.NDEB released questions part 2 set 11
Heat treatment alters a gold alloy's
All of the aboveNDEB released questions part 2 set 14
Gold casting alloys are classified as Type I-IV according to which of the following physical properties?
Surface hardness.NDEB released questions part 2 set 14
Gold contributes which of the following properties to a gold-copper alloy?
Corrosion resistanceNDEB released questions part 2 set 14
The addition of platinum to a dental gold alloy results in increased
1. strength.
2. hardness.
3. melting point.
4. resistance to corrosion.
All of the above.
NDEB released questions part 2 set 15
The higher modulus of elasticity of a chromium-cobalt-nickel alloy, compared to a Type IV gold alloy, means that chromium-cobalt-nickel partial denture clasp will require
a shallower undercutNDEB released questions part 2 set 15
The higher modulus of elasticity of a chromium-cobalt-nickel alloy, compared to a Type IV gold alloy, means that chromium-cobalt-nickel partial denture clasp will require
a shallower undercut.NDEB released questions set 5
The addition of platinum to a dental gold alloy results in increased
1. strength.
2. hardness.
3. melting point.
4. resistance to corrosion.
All of the above.
NDEB released questions set 5
Wrought gold alloy clasps are superior to cast gold clasps of the same cross-sectional area because they
1. exhibit greater flexibility.
2. are coarser grained.
3. are more accurately adapted to the tooth.
4. have a higher proportional limit.
(1) and (4)
NDEB released questions set 6
Gold contributes which of the following properties to a gold-copper alloy?
Corrosion resistance.NDEB released questions set 6
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