CDT COMPREHENSIVE
EXAM ,BRAND NEW EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS, ALL GRADED A+’LATEST
PREMIUM EXPERT UPDATE(2025-
2026).
1.- What are wetting agents used on wax patterns for - 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 - ANSWER✅✅A-groove
B- connector
C- finish line
,D- rest prep
3.·Cusp to fossa occlusion is advantageous over cusp to embrasure occlusion
because - 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 - ANSWER✅✅A-
curve of Spee
B- compensating curve
C- curve of Wilson
D- Monson curve
5.- The chroma of a color refers to - 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 - ANSWER✅✅A-
mixing
B- Reducing
C- Combustion
D- oxidizing
7.- The part of the tooth that extends above the gingiva is called - ANSWER✅✅A-
cingulum
B- cervical
C- Crown
D- embrasure
8.- A disadvantage of agar type impression materials is that they must -
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 - 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 - 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 - ANSWER✅✅A- thermocure
B- thermoset
C- thennogel
D- thermoplastic
12.- What clasp emerges from an occlusal embrasure area and engages the
undercut - ANSWER✅✅A- ball clasp
B- arrowhead clasp
C- Adams clasp
D- all of the above
13.- What happens when gypsum investment is allowed to set under water -
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 - 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 -
ANSWER✅✅A- 2 dwt. 22 gr
B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr
16.- What combination of gases is most desirable for melting ceramic alloys -
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 - ANSWER✅✅A- survey line
B- fulcrum line
C- sagittalplane
D- transverse line
18.- The basic face forms include ovoid,square,and - ANSWER✅✅A-round
B- modified ovoid
C- Tapered
D- rectangular
EXAM ,BRAND NEW EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS, ALL GRADED A+’LATEST
PREMIUM EXPERT UPDATE(2025-
2026).
1.- What are wetting agents used on wax patterns for - 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 - ANSWER✅✅A-groove
B- connector
C- finish line
,D- rest prep
3.·Cusp to fossa occlusion is advantageous over cusp to embrasure occlusion
because - 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 - ANSWER✅✅A-
curve of Spee
B- compensating curve
C- curve of Wilson
D- Monson curve
5.- The chroma of a color refers to - 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 - ANSWER✅✅A-
mixing
B- Reducing
C- Combustion
D- oxidizing
7.- The part of the tooth that extends above the gingiva is called - ANSWER✅✅A-
cingulum
B- cervical
C- Crown
D- embrasure
8.- A disadvantage of agar type impression materials is that they must -
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 - 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 - 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 - ANSWER✅✅A- thermocure
B- thermoset
C- thennogel
D- thermoplastic
12.- What clasp emerges from an occlusal embrasure area and engages the
undercut - ANSWER✅✅A- ball clasp
B- arrowhead clasp
C- Adams clasp
D- all of the above
13.- What happens when gypsum investment is allowed to set under water -
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 - 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 -
ANSWER✅✅A- 2 dwt. 22 gr
B- 2 dwt. 18gr
C- dwt. 22gr
D- 1dwt. 18gr
16.- What combination of gases is most desirable for melting ceramic alloys -
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 - ANSWER✅✅A- survey line
B- fulcrum line
C- sagittalplane
D- transverse line
18.- The basic face forms include ovoid,square,and - ANSWER✅✅A-round
B- modified ovoid
C- Tapered
D- rectangular
