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CDT COMPREHENSIVE EXAM LATEST EXAM 2025 |
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | NEWEST EXAM (JUST RELEASED)
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 - (answers)C
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 - (answers)D
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 - (answers)B
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 - (answers)C
5.- The chroma of a color refers to
A- intensity
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B- amount of gray
C- amount of orange
D- basic color - (answers)A
6.- When torch soldering, which part of the flame should be used
A- mixing
B- Reducing
C- Combustion
D- oxidizing - (answers)B
7.- The part of the tooth that extends above the gingiva is called
A- cingulum
B- cervical
C- Crown
D- embrasure - (answers)C
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 - (answers)A
9.- What is a muscle of facial expression
A- masseter
B- orbicularis oris
C- temporalis
D- mylohoid - (answers)B
10.- The most simple articulator,that has no movement other than basic opening
and closing is
A-hinge
B- fixed guide
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C- semi adjustable
D- fully adjustable - (answers)A
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 - (answers)
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 - (answers)
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 - (answers)
14.- An advantage of using custom impression trays is
A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression - (answers)
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
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B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr - (answers)
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 - (answers)
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 - (answers)
18.- The basic face forms include ovoid,square,and
A-round
B- modified ovoid
C- Tapered
D- rectangular - (answers)
19.-Application of an anti-flux prior to soldering will
A- confine solder flow to the desired area
B- eliminate oxides within the solder connection
C- allow solder to flow easily on the solder joint
D- remove the flux from the solder joint - (answers)
20.- lodophors are used in the dental laboratory for what purpose
A- to replace tin foil substitute
B- as a polishing agent
CDT COMPREHENSIVE EXAM LATEST EXAM 2025 |
QUESTIONS AND CORRECT ANSWERS | ALREADY
GRADED A+ | NEWEST EXAM (JUST RELEASED)
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 - (answers)C
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 - (answers)D
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 - (answers)B
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 - (answers)C
5.- The chroma of a color refers to
A- intensity
,2|Page
B- amount of gray
C- amount of orange
D- basic color - (answers)A
6.- When torch soldering, which part of the flame should be used
A- mixing
B- Reducing
C- Combustion
D- oxidizing - (answers)B
7.- The part of the tooth that extends above the gingiva is called
A- cingulum
B- cervical
C- Crown
D- embrasure - (answers)C
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 - (answers)A
9.- What is a muscle of facial expression
A- masseter
B- orbicularis oris
C- temporalis
D- mylohoid - (answers)B
10.- The most simple articulator,that has no movement other than basic opening
and closing is
A-hinge
B- fixed guide
,3|Page
C- semi adjustable
D- fully adjustable - (answers)A
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 - (answers)
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 - (answers)
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 - (answers)
14.- An advantage of using custom impression trays is
A- flexibility
B- rigidity
C- uniform thickness of impression material
D- it customizes the impression - (answers)
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
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B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr - (answers)
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 - (answers)
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 - (answers)
18.- The basic face forms include ovoid,square,and
A-round
B- modified ovoid
C- Tapered
D- rectangular - (answers)
19.-Application of an anti-flux prior to soldering will
A- confine solder flow to the desired area
B- eliminate oxides within the solder connection
C- allow solder to flow easily on the solder joint
D- remove the flux from the solder joint - (answers)
20.- lodophors are used in the dental laboratory for what purpose
A- to replace tin foil substitute
B- as a polishing agent
