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.Management Sciences
Category: Dental Materials
A crystal in metal substructure is_______________?
A. Grain
B. Nucleus
C. Stroma
D. None of the above
The impression material used to record the prepared areas on abutment teeth is______________?
A. High viscosity elastomeric impression material
B. Medium viscosity elastomeric impression material
C. Low viscosity elastomeric impression material
D. None of the above
Annealing is also known as_______________?
A. Soft hardening treatment
B. Hard hardening treatment
C. Precipitating heat treatment
D. Stress relieving heat treatment
The higher the Hg alloy ratio in dental amalgam________________?
A. Higher the strength
B. Lower the creep value
C. More matrix matrial formed
D. More gamma 1 phase formed
What is the recommended for condensation of dental amalgam ?
A. 35 pounds
B. 3 pounds
C. 15 lb
D. 25 lb
Which material is the most difficult to remove from the patients mouth ?
A. Metallic oxide paste
A. Silicone impression material
B. Reversible hydrocolloid
C. Impression plaster
The stiffness of a dental gold alloy is determined by its________________?
A. Proportional limit
B. Modulus of elasticity
C. Ultimate tensile strength
D. Flow
Impression techniques are used for recording________________?
A. Oral mucosal tissues
B. Dental hard tissues
C. Oral mucosal tissues and dental hard tissues
D. None of the above
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