C:-Duplicating the master die
D:-Duplicating the primary die
Correct Answer:- Option-C
Question29:-Porcelain bond to the alloy primarily by
A:-Chemical bond
B:-Mechanical bond
C:-Vander wall bond
D:-Micromechanical bond
Correct Answer:- Option-A
Question30:-Which of the following material is not desirable for making refractory cast from final cast of RPD?
A:-Agar
B:-Alginate
:-Silicone
D:-Polyether
Correct Answer:- Option-D
Question31:-Permanent tooth with least mesio-distal dimension is
A:-Maxillary central incisor
B:-Maxillary lateral incisor
C:-Mandibular central incisor
D:-Mandibular lateral incisor
Correct Answer:- Option-C
Question32:-Which among these is used for designing cast partial denture?
A:-Bite wax
-Base plate wax
C:-Casting wax
D:-Sticky wax
Correct Answer:- Option-C
Question33:-Buffing wheels are used in
A:-Grinding process
Cutting process
ishing process
D:-Polishing process
Correct Answer:- Option-D
Question34:-The projection of maxillary anterior teeth beyond their antagonists in a horizontal plane is referred to as
A:-Cuspal inclination
-Over jet
C:-Over bite
D:-Centric occlusion
Correct Answer:- Option-B
Question35:-Rouge is used in polishing
A--Titanium
B:-Acrylic
C:-Zirconium
D:-Gold
Correct Answer:- Option-D
Question36:-The use of Chromium in Cobalt - Chromium alloy is
A:-Improving biocompatability
B:-Decrease the hardness
C:-Corrosion resistance
D:-Increase castability
Correct Answer:- Option-C
Question37:-Which of the following fuel gas is better for soldering?
A:-Natural gas
-Butane
C:-Propane
D:-Acetylene
Correct Answer:- Option-C
Question38:-The hardest structure in human body is
A:-Enamel