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D2 PRDS
adfa
103
Other
Not Applicable
11/01/2018

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Cards

Term
What are the most common type of major connectors in mandibular arch?
Definition
Bars and plates
Term
Indirect retainer are not used on ____, only ____ borne
Definition
Indirect retainers are not used on tooth borne, only tissue borne
Term
Support is best provided by which components?
Definition
Rest (not rest seats)
Term
Occlusal rest seats require marginal ridge modification - how much reduction for base metal alloy
Definition
1.5mm
Term
When preparing occlusal rest, which of the following guide plane preps would you use:
Definition
Large rest seats
Term
Use red box wax from Stewarts recommend the patient bite to determine the ____
Definition
depth of the preparation
Term
When drawing RPD in sequence, secondary component to draw_____ after rest seats
Definition
minor connectors
Term
Term used for describing bone response to loading forces
Definition
bone index
Term
Most common clasp direct retainer used in RPDs
Definition
cast circlet
Term
T/F: Indirects retainers are placed anterior to the fulcrum line on tooth borne RPD's
Definition
False - it's tooth AND tissue borne
Term
Occlusal rest seat is spoon shaped and apically inclined except _____
Definition
when the combo circumferential and WW are used to teeth next to edentulous areas
Term
8. Most common type of clasp in direct retainer used in a tooth borne area where aesthetics is a concern:
a. Cast circlet
b. Combo WW
c. Embrasure
d. RPI
e. None of the above
Definition
e. None of the above*** (you should use a combination bar clasp in aesthetic areas)
Term
Combo WW, circumferential clasp, to be used on abutment teeth next to _____
Definition
edentulous ridge crest of abutment area
Term
What is Surveying
Definition
Surveying is procedure of analyzing and delineating contours of abutment teeth and designing for the best path of placement
Term
RPD best path of placement or removal?
Definition
Perpendicular to occlusal plane
Term
Undercuts are... (measurements)
Definition

0.01, 0.02, and 0.03 in (3 is rarely used)

 

NOTE: these are in inches NOT mm 

Term
Diagnostic impressions required for each arch of the ppt requiring RPD
Definition
2
Term
For tooth borne rpds where are rest seats placed?
Definition
For tooth borne rpds, rest seats placed next to the partial edentulous areas
Term
Mandibular lingual bar major connector requires a minimum of ___mm of functional vertical height between gingival margin and thickness of connector
Definition
7mm
Term
How many fulcrum lines?
Definition
Only 1 fulcrum line
Term
For mandibular tooth borne RPD, major lingual bar connector does not contribute support... why?
Definition
Not sure, but is it because the rest does?
Term
T/F Metal bases with posts for retention are used when length of edentulous span is less than 1 molar tooth
Definition
True
Term
T/F Location and relationship of the external and internal finish lines are the same for the toothborne max and mand and tooth and tissue borne RPDs
Definition
True
Term
The edentulous area of tooth and tissue borne RPDs?
Definition
RPI
Term
First clasp of choice for the abutment tooth in edentulous areas of tooth and tissue borne areas
Definition
RPI
Term
What is the 2 cord technique for gingival retraction for Crown and Bridge?
Definition
The small cord is placed first, once you are ready to take impression, remove large cord only to make a provisional, only the large is removed
Term
T/F are you required to make a tooth prep prior to packing the cord?
Definition
True
Term
Preparing anterior teeth for gingival retraction:
Definition

#0, then #1

 

...no idea what this meant

Term
What material is most dimensionally unstable?
Definition
polysulfide
Term
What material is most hydrophobic?
Definition
reversible hydrocolloids
Term
Material shortest amt of time?
Definition
polyethers
Term
Material longest time to set?
Definition
polysulfide
Term
Material set condensing polymerization?
Definition
Polysulfides and condensing silicones
Term
Facebow on maxillary or mandibular cast?
Definition
maxillary cast
Term
Arcon is adjustable/semi adjustable?
Definition
semi adjustable
Term
Is the facebow needed for non-adjustable articular?
Definition
no it is not needed
Term
What is centric relationship determined by?
Definition
Centric relationship is a relationship determined by position of teeth in space
Term
Ppt has a full compliment of teeth in MIP, #19 prep are occlusal records necessary?
Definition
occlusal records not necessary
Term
What material has forgiveness in moist environment
Definition
Polyether
Term
What material requires custom tray
Definition
Polysulfide
Term
What material uses adhesive
Definition
Reversible hydrocolloid
Term
Putty in subsequent and 2 step technique:
Definition
Initial putty impression is taken prior to preparing the tooth
Term
Treatment planned PBM #30?
Definition
Facial design to accommodate porcelain to metal margin, long bevel
Term
Elecrosurgery on anterior teeth?
Definition
Elecrosurgery not on anterior teeth, affects esthetics
Term
When using 2 cord tech in gingival retraction, which cord is placed first?
Definition
Small cord
Term
What is the main purpose of displacement of gingival tissue?
Definition
To create a mote around the tooth that will expose the margin of the prep and capture the prep
Term
What chemical agents are used to control bleeding in Crown and Bridge?
Definition
ferric sulfate, aluminum chloride, racemic epinephrine
Term
Class II composite sandwich tech:
Definition
Use GI to cover gingival floor when it is dentin
Term
GI has similar thermal expansion to ___, less shrinkage when _____, chemically adheres to _____
Definition
GI has similar thermal expansion to DENTIN, less shrinkage when it SETS, chemically adheres to TOOTH STRUCTURE
Term
Which material has best bond strength to enamel and dentin?
Definition
GI with tooth conditioner
Term
Dr Extra makes deep class II restoration #30 near deep pulpal floor
Definition

no idea what this Q was getting at

 

...just remember that: Dr Extra makes deep class II restoration on #30 near deep pulpal floor

Term
GI placed on pulpal floor and used up extra: good or bad?
Definition
This is good, b/c using less composite and therefore less polymerization shrinkage
Term
When delivering porcelain veneers ____ gets placed b/t porcelain veneer and bonding resin
Definition
silane agent gets placed b/t porcelain veneer and bonding resin
Term
Dr quick, placed bonding resin on tooth after acid-etch on enamel, light cured bonding resin before placing veneer: why is this a problem?
Definition
you can’t place veneers and adjacent veneers won’t seat properly
Term
Conditions for dual-cure luting agent:
Definition
Thick and dark veneer
Term
Delivering porcelain veneer on conservative prep entirely enamel: bonding system preferred:
Definition
4th generation total etch system using only bonding resin
Term
Direct composite veneer on tooth #9, dark spot on #8:
Definition
Don’t bleach, because veneer tooth also whiten, mismatch worse
Term
Direct composite veneer better than porcelain veneer...
Definition
because it's repairable
Term
Composite veneer placed in ______first
Definition
interproximal S curves
Term
#6-11, etch rinse bond and restore, centrals, laterals, then cuspids
Definition
just know this

#6-11, etch rinse bond and restore, centrals, laterals, then cuspids
Term
proximal finish lines when closing diastemas with porcelain veneers is
Definition
lingual to contact area
Term
Porcelain veneers are more conservative than crowns, why?
Definition
because they don’t cut into dentin, do not remove tooth structure on lingual surfaces, or tooth structure overall
Term
Bonded ceramic veneers advantage over direct placed composites because...
Definition
b/c they are more durable and stain resistant
Term
Of the facial surface of ceramic veneers, what is the reduction
Definition
0.5-0.7mm reduction
Term
Distance between adjacent teeth on CAD cam imaging
Definition
1.5m
0.5m
10m
Term
what would distort you cad cam image
too much spray
too little spray
all of the above
Definition
all of the above
Term
Which margin design is most appropriate for a porcelain margin?
Definition
shoulder
Term
What will be the minimal thickness of the metal coping in a ceramo-metal restora:on fabricated with a non-precious metal?
Definition
0.2 mm
Term
How much occlusal reduction on a prep for a ceramo-metal restoration with a porcelain occlusion?
Definition
2.0 mm
Term
What is the minimal thickness of the opaque porcelain of a ceramo-metal?
Definition
0.3 mm
Term
what is the minimal thickness of the body and incisal porcelain that can be used to achieve a satisfactory esthetic result?
Definition
0.6 mm
Term
Which of the following impression techniques is most appropriate when using the double bite technique
Definition
Monophasic impression
Term
Of the following impression materials, which is the most hydrophilic
Definition
Polyether
Term
A final impression with reversible hydrocolloid must be poured in stone immediately after it is taken
Definition
True
Term
Puddy impression material can be used to fabricate a custom tray
Definition
True
Term
The use of a custom tray for the final impression was developed primarily for use with which of the following impression materials?
Definition
polysulfide polymer
Term
Which cast requires the use of a facebow to mount on an articulator?
Definition
Maxillary
Term
Describe the Hanu articulator which you are utilizing in the laboratory course
Definition
arcon articulator
Term
Which of the following articulators does not require the use of a facebow?
Definition
Non-adjustable articulator
Term
Centric relation is a mandibular/maxillary arch position determined by the teeth T/F
Definition
false
Term
Your patient has a full complement of teeth with a very definitive MIP. You have just completed a crown preparation on tooth #19. An occusal record is necessary to successfully complete this case.
Definition
False
Term
The primary component of an LPS Emax crown is:
Definition
Lithium disilicate
Term
Ceramic restorations require resin cements for their cementa:on T/F
Definition
True
Term
When cementing a provisional restoration that will be restored with a PBM, any kind of temporary cement can be used T/F
Definition
True
Term
Components of an RPD that contribute to cross arch stabilization
Definition
Major connector
Term
which requires the most reduction?
a. Porcelain to zirconia
b. Empress
c. Ips-Emax
Definition
a. Porcelain to zirconia
Term
Tooth #12 for Emax Crown, what is the occlusal reduction?
a. Non functional cusp is ___
b. Functional is ___
Definition
a. Non functional cusp is 2.0 mm
b. Functional is 2.0 mm
Term
Patient bites into material to check the rest seat depth clinically, what do you use
a. Blue moose something
b. Base wax
c. Duralay
d. None of the above
Definition
d. None of the above**** (red boxing wax)
Term
You’re preparing a rest seat on a pre-molar, what is the first bur you use?
Definition
Straight or round end tapered cylinder diamond
Term
Indirect retainers are commonly placed on teeth that lie anterior to the fulcrum line axis on tooth borne RPDs T/F
Definition
False
Term
17. In Class II composites, you should maintain a flat gingival floor (no bevel) if: a. There is no enamel and you are in dentin only b. Less than 1/2mm of enamel remaining after the bevel is placed c. a+b
Definition
c
Term
Outside to inside of porcelain veneer going towards the tooth side:
Definition
Glazed ceramic, etched ceramic, silane, bonding agent, lutng resin, bonding agent, etched tooth
Term
To remove overhang from the gingival margin of a class 4 what should you use (if the 245F diamond is not working)?
Definition
Demeo carver or the #12 scalpel to remove excess at the gingival margin
Term
Pt. returned the next week after you placed a class 4 composite and complained the color didn’t match when she went clubbing, you say
Definition
These are the effects of metamerism and give an example of daylight matching
Term
You deliver a porcelain veneer on a conservative preparation that is entirely in enamel- what type of bonding system is preferred?
Definition
a. 4th generation total etch system that uses resin only
Term
Most common type of clasp in direct retainer used in a tooth borne area where aesthethics is a concern: a. Cast circlet b. Combo WW c. Embrasure d. RPI e. None of the above
Definition
e. None of the above*** (you should use a combination bar clasp in aesthetic areas)
Term
S curve is which part of a porcelain veneer preparation?
Definition
Proximal gingival area
Term
When closing a large diastema with porcelain veneers, the contact finish lines should be:
Definition
Lingual to the contact area
Term
When making porcelain veneers, it is a good idea to:
Definition
Take a stump shade
Term
Delivering veneers #6-11, what is the right sequence?
Definition
Seat 8, then 9, 10, 7, 6, 11
Term
Outline rests in____ confined to rest seat preparations
Definition
blue
Term
Outline minor connectors and proximal plates in ____ indicated exact width, height, and relationship to prepared guiding planes
Definition
blue
Term
Why do we use the paper liner?
Definition
To allow for expansion of gold
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