TESTBANK FOR Comprehensive exam CDT ACTUAL FINAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS - VERIFIED ANSWERS ALREADY GRADED A+ NEW
GUARANTEED
1.- What are wetting agents used on wax patterns for
A- Allow patterns to ease the flow of metal
B- clean the wax pattern for easier divesting
C- helps surface tension thus decreasing nodules on metal castings
D- can help in using less water powder ratio for investments -
CORRECT ANSWER A- Allow patterns to ease the flow of metal
B- clean the wax pattern for easier divesting
C- helps surface tension thus decreasing nodules on metal castings
D- can help in using less water powder ratio for investments
2.- A depression cut into the patient's abutment tooth to prepare it for
a partial framework is called
A-groove
B- connector
C- finish line
D- rest prep - CORRECT ANSWER D- rest prep
3.·Cusp to fossa occlusion is advantageous over cusp to embrasure
occlusion because
A·it causes a " tight" effect
B- provides less balancing interference
C- it provides more balanced distribution of force
D- is more natural in natural dentition - CORRECT ANSWER A·it
causes a " tight" effect
B- provides less balancing interference
C- it provides more balanced distribution of force
D- is more natural in natural dentition
4.- The bilateral curve between buccal and lingual cusps is called
A- curve of Spee
B- compensating curve
C- curve of Wilson
D- Monson curve - CORRECT ANSWER A- curve of Spee
,B- compensating curve
C- curve of Wilson
D- Monson curve
5.- The chroma of a color refers to
A- intensity
B- amount of gray
C- amount of orange
D- basic color - CORRECT ANSWER A- intensity
B- amount of gray
C- amount of orange
D- basic color
6.- When torch soldering, which part of the flame should be used
A- mixing
B- Reducing
C- Combustion
D- oxidizing - CORRECT ANSWER B- Reducing
7.- The part of the tooth that extends above the gingiva is called
A- cingulum
B- cervical
C- Crown
D- embrasure - CORRECT ANSWER C- Crown
8.- A disadvantage of agar type impression materials is that they must
A- should be poured immediately
B- are not too accurate
C- they give off bad odors
D·hard materials to manage - CORRECT ANSWER A- should be poured
immediately
B- are not too accurate
C- they give off bad odors
D·hard materials to manage
9.- What is a muscle of facial expression
A- masseter
B- orbicularis oris
,C- temporalis
D- mylohoid - CORRECT ANSWER A- masseter
B- orbicularis oris
C- temporalis
D- mylohoid
10.- The most simple articulator,that has no movement other than
basic opening and closing is
A-hinge
B- fixed guide
C- semi adjustable
D- fully adjustable - CORRECT ANSWER A-hinge
B- fixed guide
C- semi adjustable
D- fully adjustable
11.- Materials that soften under heat and become solid when cold but
do not change chemically are called
A- thermocure
B- thermoset
C- thennogel
D- thermoplastic - CORRECT ANSWER D- thermoplastic
12.- What clasp emerges from an occlusal embrasure area and
engages the undercut
A- ball clasp
B- arrowhead clasp
C- Adams clasp
D- all of the above - CORRECT ANSWER C- Adams clasp
13.- What happens when gypsum investment is allowed to set under
water
A- increases its expansion
B- decreases its expansion
C- uneven expansion
D- there is no expansion - CORRECT ANSWER A- increases its
expansion
B- decreases its expansion
, C- uneven expansion
D- there is no expansion
14.- An advantage of using custom impression trays is
A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression - CORRECT ANSWER A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression
15.- A crown sprue and button weighed 7dwt 9gr. After removing
crown the remaining button and sprue wheighed 5dwt llgr What does
the crown weigh
A- 2 dwt. 22 gr
B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr - CORRECT ANSWER C- dwt. 22gr
16.- What combination of gases is most desirable for melting ceramic
alloys
A- oxygen and air
B- natural gas (or propane) and oxygen
C- natural gas (or propane) and air
D- acetylene and oxygen - CORRECT ANSWER A- oxygen and air
B- natural gas (or propane) and oxygen
C- natural gas (or propane) and air
D- acetylene and oxygen
17.- An imaginary line drawn through the abutment teeth,around which
a partial would tend to rotate is called
A- survey line
B- fulcrum line
C- sagittalplane
D- transverse line - CORRECT ANSWER B- fulcrum line
18.- The basic face forms include ovoid,square,and
CORRECT DETAILED ANSWERS - VERIFIED ANSWERS ALREADY GRADED A+ NEW
GUARANTEED
1.- What are wetting agents used on wax patterns for
A- Allow patterns to ease the flow of metal
B- clean the wax pattern for easier divesting
C- helps surface tension thus decreasing nodules on metal castings
D- can help in using less water powder ratio for investments -
CORRECT ANSWER A- Allow patterns to ease the flow of metal
B- clean the wax pattern for easier divesting
C- helps surface tension thus decreasing nodules on metal castings
D- can help in using less water powder ratio for investments
2.- A depression cut into the patient's abutment tooth to prepare it for
a partial framework is called
A-groove
B- connector
C- finish line
D- rest prep - CORRECT ANSWER D- rest prep
3.·Cusp to fossa occlusion is advantageous over cusp to embrasure
occlusion because
A·it causes a " tight" effect
B- provides less balancing interference
C- it provides more balanced distribution of force
D- is more natural in natural dentition - CORRECT ANSWER A·it
causes a " tight" effect
B- provides less balancing interference
C- it provides more balanced distribution of force
D- is more natural in natural dentition
4.- The bilateral curve between buccal and lingual cusps is called
A- curve of Spee
B- compensating curve
C- curve of Wilson
D- Monson curve - CORRECT ANSWER A- curve of Spee
,B- compensating curve
C- curve of Wilson
D- Monson curve
5.- The chroma of a color refers to
A- intensity
B- amount of gray
C- amount of orange
D- basic color - CORRECT ANSWER A- intensity
B- amount of gray
C- amount of orange
D- basic color
6.- When torch soldering, which part of the flame should be used
A- mixing
B- Reducing
C- Combustion
D- oxidizing - CORRECT ANSWER B- Reducing
7.- The part of the tooth that extends above the gingiva is called
A- cingulum
B- cervical
C- Crown
D- embrasure - CORRECT ANSWER C- Crown
8.- A disadvantage of agar type impression materials is that they must
A- should be poured immediately
B- are not too accurate
C- they give off bad odors
D·hard materials to manage - CORRECT ANSWER A- should be poured
immediately
B- are not too accurate
C- they give off bad odors
D·hard materials to manage
9.- What is a muscle of facial expression
A- masseter
B- orbicularis oris
,C- temporalis
D- mylohoid - CORRECT ANSWER A- masseter
B- orbicularis oris
C- temporalis
D- mylohoid
10.- The most simple articulator,that has no movement other than
basic opening and closing is
A-hinge
B- fixed guide
C- semi adjustable
D- fully adjustable - CORRECT ANSWER A-hinge
B- fixed guide
C- semi adjustable
D- fully adjustable
11.- Materials that soften under heat and become solid when cold but
do not change chemically are called
A- thermocure
B- thermoset
C- thennogel
D- thermoplastic - CORRECT ANSWER D- thermoplastic
12.- What clasp emerges from an occlusal embrasure area and
engages the undercut
A- ball clasp
B- arrowhead clasp
C- Adams clasp
D- all of the above - CORRECT ANSWER C- Adams clasp
13.- What happens when gypsum investment is allowed to set under
water
A- increases its expansion
B- decreases its expansion
C- uneven expansion
D- there is no expansion - CORRECT ANSWER A- increases its
expansion
B- decreases its expansion
, C- uneven expansion
D- there is no expansion
14.- An advantage of using custom impression trays is
A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression - CORRECT ANSWER A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression
15.- A crown sprue and button weighed 7dwt 9gr. After removing
crown the remaining button and sprue wheighed 5dwt llgr What does
the crown weigh
A- 2 dwt. 22 gr
B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr - CORRECT ANSWER C- dwt. 22gr
16.- What combination of gases is most desirable for melting ceramic
alloys
A- oxygen and air
B- natural gas (or propane) and oxygen
C- natural gas (or propane) and air
D- acetylene and oxygen - CORRECT ANSWER A- oxygen and air
B- natural gas (or propane) and oxygen
C- natural gas (or propane) and air
D- acetylene and oxygen
17.- An imaginary line drawn through the abutment teeth,around which
a partial would tend to rotate is called
A- survey line
B- fulcrum line
C- sagittalplane
D- transverse line - CORRECT ANSWER B- fulcrum line
18.- The basic face forms include ovoid,square,and
