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Comprehensive exam CDT 100- sure answers_.
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10/4/24, 9:45 PMComprehensive exam CDT
Jeremiah
Terms in this set (170)
A- Allow patterns to ease the flow of metal
1.- What are wetting agents used on wax B- clean the wax pattern for easier divesting
patterns for C- helps surface tension thus decreasing nodules on metal castings
D- can help in using less water powder ratio for investments
A-groove
2.- A depression cut into the patient's
B- connector
abutment tooth to prepare it for a partial
C- finish line
framework is called
D- rest prep
A·it causes a " tight" effect
3.·Cusp to fossa occlusion is advantageous B- provides less balancing interference
over cusp to embrasure occlusion because C- it provides more balanced distribution of force
D- is more natural in natural dentition
A- curve of Spee
4.- The bilateral curve between buccal and B- compensating curve
lingual cusps is called C- curve of Wilson
D- Monson curve
A- intensity
B- amount of gray
5.- The chroma of a color refers to
C- amount of orange
D- basic color
A- mixing
6.- When torch soldering, which part of the B- Reducing
flame should be used C- Combustion
D- oxidizing
A- cingulum
7.- The part of the tooth that extends above B- cervical
the gingiva is called C- Crown
D- embrasure
A- should be poured immediately
8.- A disadvantage of agar type impression B- are not too accurate
materials is that they must C- they give off bad odors
D·hard materials to manage
A- masseter
B- orbicularis oris
9.- What is a muscle of facial expression
C- temporalis
D- mylohoid
A-hinge
10.- The most simple articulator,that has no
B- fixed guide
movement other than basic opening and
C- semi adjustable
closing is
D- fully adjustable
A- thermocure
11.- Materials that soften under heat and
B- thermoset
become solid when cold but do not
C- thennogel
change chemically are called
D- thermoplastic
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A- ball clasp
12.- What clasp emerges from an occlusal B- arrowhead clasp
embrasure area and engages the undercut C- Adams clasp
D- all of the above
A- increases its expansion
13.- What happens when gypsum B- decreases its expansion
investment is allowed to set under water C- uneven expansion
D- there is no expansion
A- flexibility
14.- An advantage of using custom B- rigidity
impression trays is C- uniform thickness of impression material
D- it customizes the impression
15.- A crown sprue and button weighed A- 2 dwt. 22 gr
7dwt 9gr. After removing crown the B- 2 dwt. 18gr
remaining button and sprue wheighed C- dwt. 22gr
5dwt llgr What does the crown weigh D- 1dwt. 18gr
A- oxygen and air
16.- What combination of gases is most B- natural gas (or propane) and oxygen
desirable for melting ceramic alloys C- natural gas (or propane) and air
D- acetylene and oxygen
A- survey line
17.- An imaginary line drawn through the
B- fulcrum line
abutment teeth,around which a partial
C- sagittalplane
would tend to rotate is called
D- transverse line
A-round
18.- The basic face forms include B- modified ovoid
ovoid,square,and C- Tapered
D- rectangular
A- confine solder flow to the desired area
19.-Application of an anti-flux prior to B- eliminate oxides within the solder connection
soldering will C- allow solder to flow easily on the solder joint
D- remove the flux from the solder joint
A- to replace tin foil substitute
20.- lodophors are used in the dental B- as a polishing agent
laboratory for what purpose C- high shine agents
D- surface disinfectants
A- Hawley bow
B- wrap-around bow
21.- Another name for a labial bow is a
C- invisalign bow
D- horizontal bow
A- relate the maxillary cast to the mandibular cast
B- record centric relation
22.- A facebow is used to
C- relate the maxillary cast to the condyles
D- record vertical dimension
A- Calcium citrate
23.- To remove small particles of stone in
B- borax
processed dentures what can it be
C- Sodium nitrate
Immersed In
D- Sodium citrate
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