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Study sets matching "finishing metal ceramic substructures"

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Study sets matching "finishing metal ceramic substructures"

38 terms
Ceramics: metal ceramic substructure
responsible for a majority of the porc…
there are _____ primary functions and…
a metal substructure provides the fit…
fir should be evaluated in terms of bo…
improper substructure
four, five
primary function 1
seat, seal
responsible for a majority of the porc…
improper substructure
there are _____ primary functions and…
four, five
29 terms
Metal Ceramic Substructure Design
Improper substructure desgin
There are _______ primary functions an…
A metal substructure provides the fit…
A properly formed metal-ceramic substr…
Is responsible for a majority of the porcelain-to-metal bond…
4,5
Fit should be evaluated in terms of both seat and seal, too t…
Internal
Improper substructure desgin
Is responsible for a majority of the porcelain-to-metal bond…
There are _______ primary functions an…
4,5
13 terms
Ceramics: Metal Finishing
All gross deposits of ___________, sho…
After _______ thoroughly, blast all re…
Indicate margin has not cast all the w…
Indicates not enough metal
investment
drying
round margins
voids
All gross deposits of ___________, sho…
investment
After _______ thoroughly, blast all re…
drying
13 terms
Metal Ceramic Terminology
Metal Ceramic Restoration
Can also be referred as:
Porcelain Bonding
Coping
A fixed restoration that employs a metal substructure on whic…
PFM- Porcelain Fused to Metal... PVC- Porcelain Veneer Crown... PBM…
Term to explain the mechanisms by which dental porcelain fuse…
Used to identify the metal substructure of single unit crowns…
Metal Ceramic Restoration
A fixed restoration that employs a metal substructure on whic…
Can also be referred as:
PFM- Porcelain Fused to Metal... PVC- Porcelain Veneer Crown... PBM…
15 terms
Ceramics: Metal Ceramic Terminology
a fixed restoration that employs a met…
PFM
PVC
PBM
metal ceramic restoration
porcelain fused to metal
porcelain veneer crown
porcelain bonded to metal
a fixed restoration that employs a met…
metal ceramic restoration
PFM
porcelain fused to metal
86 terms
Metal Ceramic Restoration Part I, II and III (T2-6)*
Metal-Ceramic Restorations... -metal cer…
Mechanical (22%)... Chemical (52%)... Comp…
Mechanical
Chemical
define... A tooth retained fixed dental prosthesis that uses a…
what are the four ways to bond the porcelain the the metal in…
define the bonding mechanism... air abrasion (aluminum oxide…
define the bonding mechanism... occur by the formation of an ox…
Metal-Ceramic Restorations... -metal cer…
define... A tooth retained fixed dental prosthesis that uses a…
Mechanical (22%)... Chemical (52%)... Comp…
what are the four ways to bond the porcelain the the metal in…
72 terms
Metal Ceramic Restoration Part I, II and III (T2-7)
Metal-Ceramic Restorations... -metal cer…
Mechanical... Chemical... Compressive ... Va…
Mechanical
Chemical
define... A tooth retained fixed dental prosthesis that uses a…
what are the four ways to bond the porcelain the the metal in…
define the bonding mechanism... air abrasion (aluminum oxide…
define the bonding mechanism... occur by the formation of an ox…
Metal-Ceramic Restorations... -metal cer…
define... A tooth retained fixed dental prosthesis that uses a…
Mechanical... Chemical... Compressive ... Va…
what are the four ways to bond the porcelain the the metal in…
25 terms
Metal Ceramic Crowns
When consider Metal Cermaic Crown?
All Ceramic Crowns more appropriate?
Special circumstances req special modi…
Why should modifications not be confin…
Full coverage IR reqd... Aesthetics
High aesthetic demands
MCC Waxed Up/Milled to provide SPACEfor moveable component of…
Catastrophic fracture and failure
When consider Metal Cermaic Crown?
Full coverage IR reqd... Aesthetics
All Ceramic Crowns more appropriate?
High aesthetic demands
23 terms
Metal ceramic restorations
a mass of fused porcelain obtained by…
to cause or become a coherent mass by…
What is the primary reason for using p…
Dental porcelain is like:
frit
sinter
esthetics
glass
a mass of fused porcelain obtained by…
frit
to cause or become a coherent mass by…
sinter
Ceramic Tools
sponge
wire tool
needle tool
wooden knife
used to wet clay for centering and also to smooth the finishe…
used to cut clay pot off the boat
used to trim the tip of the pot, and also to pierce air bubbl…
used for trimming wet clay off the bottom, just before cuttin…
sponge
used to wet clay for centering and also to smooth the finishe…
wire tool
used to cut clay pot off the boat
66 terms
RD3: Metal-Ceramic Prep Sequence
goals for prep design
create enough space for materials- met…
ideal width of porcelain and metal
what tooth surfaces are visible when a…
1. create enough space for mats... 2. conserve tooth structure a…
diff physical props... -metal- low MOE, ductile... -porcelain- high…
metal ~0.5 mm... porcelain ~1.5 mm
buccal and occlusal
goals for prep design
1. create enough space for mats... 2. conserve tooth structure a…
create enough space for materials- met…
diff physical props... -metal- low MOE, ductile... -porcelain- high…
53 terms
REST 711 Metal Ceramic Restorations
MCC Basics
Components of MCC: Substructure
Components of MCC: Supra-structure
How is MCC restoration made in the lab?
Metal Ceramic Crown
Substructure which is a complete coverage metal coping
Suprasturcture: veneering porcelain of various extent... - Facia…
1. Anatomic full contour wax up... 2. Matrix to verify cutback... 3…
MCC Basics
Metal Ceramic Crown
Components of MCC: Substructure
Substructure which is a complete coverage metal coping
23 terms
Ceramic Tools
clean up tool
glaze
Cutting Wire
Potter's Needle
Tool with a hook on one end and a blade on the other, a tool…
liquid paint colorant used to give your pottery a finished lo…
Wire with wooden toggle ends. Essential for wedging clay and…
Useful for marking levels on rims while work is rotating on w…
clean up tool
Tool with a hook on one end and a blade on the other, a tool…
glaze
liquid paint colorant used to give your pottery a finished lo…
101 terms
Ceramics Exam 1
a fixed restoration that employs a met…
PFM
PVC
PBM
metal ceramic restoration
porcelain fused to metal
porcelain veneer crown
porcelain bonded to metal
a fixed restoration that employs a met…
metal ceramic restoration
PFM
porcelain fused to metal
15 terms
09-22J Ceramic Metal
why do solders and ceramics require di…
which temperature must be higher, allo…
what is the most commonly used oxide l…
why do base metals not need oxides?
without temperature separation, sag and distortion will occur
Alloy > solder by 100C
indium b/c high noble and noble metals are NOT good oxide for…
they form their own large oxide layer
why do solders and ceramics require di…
without temperature separation, sag and distortion will occur
which temperature must be higher, allo…
Alloy > solder by 100C
15 terms
Indirect - framework design for metal ceramic crown
three important areas for framework de…
ceramic margin for MCC
supra ging ceramic margin MCC
Metal ceramic margin for MCC
margin... contact point... occlusal lingual
limited to labial area in esthetic zone... 1.2 wide finish... sli…
unnattractive transition
mid sulcus prep will create acceptable result if fabricated p…
three important areas for framework de…
margin... contact point... occlusal lingual
ceramic margin for MCC
limited to labial area in esthetic zone... 1.2 wide finish... sli…
25 terms
Carlyn PFM Restorations, Cast Metal and PFM Finishing
Porcelain-fused-to-metal (aka metal-ce…
1. Metal substructure... 2. Ceramic veneer
mechanically... chemically
1. Teeth require complete coverage wit…
A ceramic (porcelain) layer bonded to a thin cast metal copin…
2 parts of a metal-ceramic restoration
For PFMs, the ceramic is _____________ and ___________ bonded…
6 indications for PFMs
Porcelain-fused-to-metal (aka metal-ce…
A ceramic (porcelain) layer bonded to a thin cast metal copin…
1. Metal substructure... 2. Ceramic veneer
2 parts of a metal-ceramic restoration
63 terms
RD3: Ceramic Metal
porcelains were developed in 1950s by
strength tests of porcelain
PFM survival rate
esthetics of PFM
raising the coefficient of thermal expansion of feldspar porc…
-16000-21000 psi (111-147 MPa) = shear strengths of porcelain…
10-15 year survival rate- 95% ... incidence of porcelain chippin…
-porcelain facial margins... -proper tooth preps
porcelains were developed in 1950s by
raising the coefficient of thermal expansion of feldspar porc…
strength tests of porcelain
-16000-21000 psi (111-147 MPa) = shear strengths of porcelain…
28 terms
Ceramic terms
Bisque ware
clean up
coil method
extruder
the clay piece has gone through its first firing
a tool with a straight blade at one end and a curved one at t…
building with clay that has been rolled on a flat surface and…
a large used to make different sized coils
Bisque ware
the clay piece has gone through its first firing
clean up
a tool with a straight blade at one end and a curved one at t…
15 terms
metal ceramic prep
goals for prep design
buccal and occlusal surfaces are visib…
space requirements for metal and porce…
guiding principle, therefore, is to re…
1)Create enough space for... materials... 2)Conserve tooth structur…
metal (substructure for strength) and porcelain (esthetics)
2.0 occlusal... 1.2-1.5mm buccal
materials
goals for prep design
1)Create enough space for... materials... 2)Conserve tooth structur…
buccal and occlusal surfaces are visib…
metal (substructure for strength) and porcelain (esthetics)
25 terms
PFM Restorations, Cast Metal and PFM Finishing
Porcelain-fused-to-metal (aka metal-ce…
1. Metal substructure... 2. Ceramic veneer
mechanically... chemically
1. Teeth require complete coverage wit…
A ceramic (porcelain) layer bonded to a thin cast metal copin…
2 parts of a metal-ceramic restoration
For PFMs, the ceramic is _____________ and ___________ bonded…
6 indications for PFMs
Porcelain-fused-to-metal (aka metal-ce…
A ceramic (porcelain) layer bonded to a thin cast metal copin…
1. Metal substructure... 2. Ceramic veneer
2 parts of a metal-ceramic restoration
ceramic review
slab
coil
score
slip
a rolled out flat piece of clay used in hane building
a rolled worm like piece of clay used in hand building
using a tool to roughen or make small grooves in the surface…
to use water or wet softer clay to join pieces together
slab
a rolled out flat piece of clay used in hane building
coil
a rolled worm like piece of clay used in hand building
13 terms
fixed pros II note 4
Posterior PFM
PFM might be also called PBM or PFG
PFM Advantages
PFM Disadvantages
PFM is strong and durable... for esthetic reasons, go 5mm subg
1. Porcelain is the attempt to make the gold crown esthetic... 2…
1. Strong to pt's occlusion... 2. Esthetically pleasing when don…
1. Flat color because of opaque layer... 2. Grey margin when mar…
Posterior PFM
PFM is strong and durable... for esthetic reasons, go 5mm subg
PFM might be also called PBM or PFG
1. Porcelain is the attempt to make the gold crown esthetic... 2…
42 terms
Anterior Crowns Porcelain Fused to Metal
Metal Ceramic Restorations MCR are als…
When do we need a crown on an anterior…
What % of the population is sensitive…
What is the metal in the PFM
Porcelain fused to metal PFM... Porcelain fused to gold PFG (not…
Extensive tooth structure loss from decay... When decay wraps ar…
5%
High noble alloys (gold/platinum)... Titanium and titanium alloy…
Metal Ceramic Restorations MCR are als…
Porcelain fused to metal PFM... Porcelain fused to gold PFG (not…
When do we need a crown on an anterior…
Extensive tooth structure loss from decay... When decay wraps ar…
18 terms
Anterior Metal Ceramic Prep
What material should be used for a pat…
T/F Anterior teeth are taller than pos…
Because anterior teeth don't have much…
For an anterior teeth the ideal metal…
polyether
True
can use less metal
.3 mm metal ... .7-1.2 mm porcelain
What material should be used for a pat…
polyether
T/F Anterior teeth are taller than pos…
True
22 terms
Metal ceramic restorations
Advantages of MCR
Disadvantages
Indications:
Contraindications:
1. Natural appearance... 2. Retention and resistance qualities o…
1. Heavy reduction required... - 1.5 mm axial ... - 2.0 mm occlusal…
1. Large areas of destruction of tooth structure... 2. Large res…
1. When conservative prep is indicated... 2. Large pulp chambers…
Advantages of MCR
1. Natural appearance... 2. Retention and resistance qualities o…
Disadvantages
1. Heavy reduction required... - 1.5 mm axial ... - 2.0 mm occlusal…
14 terms
Ceramics 1
metal ceramic restoration
metal ceramic restoration is also refe…
porcelain bondig
coping
fixed restoration that employs a metal substructure on which…
PFM-porcelain fused to metal... PVC-porcelain veneer crown... PBM-p…
term to explain the mechanisms by which dental porcelains fus…
used to identify metal substructure of single unit crowns des…
metal ceramic restoration
fixed restoration that employs a metal substructure on which…
metal ceramic restoration is also refe…
PFM-porcelain fused to metal... PVC-porcelain veneer crown... PBM-p…
45 terms
Ceramic
Vitreous
Semi Vitreous
Non Vitreous
Ceramic Ware
Resembling glass, as in transparency, hardness, brittleness,…
Having a moderate water absorption of slightly under 6%.
Having a water absorption greater than 7%.
Any of various products made by firing clay or similar materi…
Vitreous
Resembling glass, as in transparency, hardness, brittleness,…
Semi Vitreous
Having a moderate water absorption of slightly under 6%.
47 terms
CERAMIC
CERAMIC
CERAMIC WARE
EARTHENWARE
STONE WARE
hard, brittle & nonconductive material form by the ionic bond…
made by firing clay or similar material in a kiln
low-fired, opaque, non-vitreous ceramic ware
high-fired, opaque, vitrified ceramic ware
CERAMIC
hard, brittle & nonconductive material form by the ionic bond…
CERAMIC WARE
made by firing clay or similar material in a kiln
56 terms
Fixed metal ceramics
Metal ceramic resorations
Porcelain layers
Indications for metal ceramics
metal ceramic restorations for survey…
-consist of complete coverage cast metal crown (substructure/…
1. Opaque: allows for chemical bond between porcelain and met…
-full coverage restoration requiring greater esthetics... -tooth…
can be modified to incorporate occlusal or cingulum rests as…
Metal ceramic resorations
-consist of complete coverage cast metal crown (substructure/…
Porcelain layers
1. Opaque: allows for chemical bond between porcelain and met…
20 terms
Bompolaki - Special Considerations for Metal-Ceramic Restorations
occlusal extension - general rules
Why metal occlusal w/ facial veneer fo…
two options for veneering porcelain ex…
anterior restoration
- centric stops: on porcelain or on metal... - at least 1.5 mm a…
- minimize differential wear problems... - easier to achieve acc…
1. porcelain buccal window (all-metal occlusal)... 2. all-porcel…
reduction... - 1.5 mm for porcelain lingual... - 0.5 mm -1 mm for…
occlusal extension - general rules
- centric stops: on porcelain or on metal... - at least 1.5 mm a…
Why metal occlusal w/ facial veneer fo…
- minimize differential wear problems... - easier to achieve acc…
46 terms
Ceramic
Ceramic
Ceramic ware
Earthenware
stone ware
Any of various hard, britle, noncorrosive, and nonconductive…
Any of a various products made by firing clay or similar mate…
Anything made of clay and baked in a kiln or dried in the sun.
high-fired, opaque, vitrified ceramic ware
Ceramic
Any of various hard, britle, noncorrosive, and nonconductive…
Ceramic ware
Any of a various products made by firing clay or similar mate…
16 terms
L3 Metal Ceramic Crown Prep
Which one of these is not a goal for a…
This has a low MOE but is ductile
This has a high MOE but is brittle
What are the ideal thicknesses for met…
E
metal
porcelain
.5mm, 1.5 mm
Which one of these is not a goal for a…
E
This has a low MOE but is ductile
metal
46 terms
Anterior All Ceramic Crown Materials
Issue w/ Metal-ceramic crowns relative…
Metal Ceramics Advantages:
Which tooth colored crown has the best…
Issues w/ metal ceramics
-esthetics vary a lot... -ACC have more consistent esthetic outc…
-clinical longevity for tooth colored crowns
-cast metal
-porcelain fracture
Issue w/ Metal-ceramic crowns relative…
-esthetics vary a lot... -ACC have more consistent esthetic outc…
Metal Ceramics Advantages:
-clinical longevity for tooth colored crowns
28 terms
RD3-Dr. Js Ceramic metal systems
What happened as the breakthrough in c…
whats the shear strength of porcelin
what is the survival rate of PFM
what kind of esthetics with porcelin
raising the CTE of feldspar porcelin to match values of gold…
between 16000 and 21000 PSI
they are the most versatile and have a 10-15 year survival ra…
good to excellent bc of all porcelin margion and proper tooth…
What happened as the breakthrough in c…
raising the CTE of feldspar porcelin to match values of gold…
whats the shear strength of porcelin
between 16000 and 21000 PSI
30 terms
Ceramics Exam Review
Kiln
Rib Tool
Loop Tool
Wire Cutter
An appliance used to fire clay and change its chemical compos…
A flat tool used to smooth out the surface of clay
A tool with a metal "loop" at the end, and is used to carve i…
A piece of wire with wood handles used to cut straight pieces…
Kiln
An appliance used to fire clay and change its chemical compos…
Rib Tool
A flat tool used to smooth out the surface of clay
15 terms
L-6 Metal Ceramic Crown Preparation
Indications for Metal-Ceramic Cronw (2)
Disadvantages of Metal-Ceramic crowns…
Contraindications of Metal-Ceramic Cro…
Metal Ceramic Crown:... 1. Type of finish…
1. Esthetics... 2. Opposing ceramic restorative material present…
1. More tooth structure taken than FMC, partial veneers, etc.…
1. Young Patients... 2. Short clinical crown... 3. Occlusal problem…
1. Facial: Modified shoulder... 2. Lingual: Light Chamfer
Indications for Metal-Ceramic Cronw (2)
1. Esthetics... 2. Opposing ceramic restorative material present…
Disadvantages of Metal-Ceramic crowns…
1. More tooth structure taken than FMC, partial veneers, etc.…
15 terms
Finishing Concepts
Electroplating
electroforming
electroless plating
hot dipping
metal ions in electrolyte are deposited onto a cathode work p…
electrolytic deposition of metal onto a pattern
plating by chemical reactions... >not electrical current is requ…
substrate is immersed in molten metal bath
Electroplating
metal ions in electrolyte are deposited onto a cathode work p…
electroforming
electrolytic deposition of metal onto a pattern
48 terms
Ceramics: Components of PFM
a metal substructure is used because
a metal substructure is added to
the thickness of a metal coping for a…
metal thickness requirements of a sing…
conventional low fusing porcelains lack strength
support the porcelain veneer
type of casting alloy, amount of tooth reduction
.3, .5
a metal substructure is used because
conventional low fusing porcelains lack strength
a metal substructure is added to
support the porcelain veneer
62 terms
All Ceramic Crowns
Emax reductions
Zirconia reductions
Empress reductions
PFM reductions
1.0 mm facial and lingual... 2.0 mm incisal... radial shoulder
0.8 mm facial and lingual... 1.5 mm incisal... chamfer
1.2 mm facial and lingual... 2.0 mm incisal... radial shoulder
1.2 mm facial... 1.0 mm lingual; 0.5 mm lingual toward gingiva... r…
Emax reductions
1.0 mm facial and lingual... 2.0 mm incisal... radial shoulder
Zirconia reductions
0.8 mm facial and lingual... 1.5 mm incisal... chamfer
28 terms
Metal Processing
Bending
Blanking
CNC
Cupping
A gradual curve can be achieved with the material colder, whi…
The process of producing a roughly shaped component for furth…
Stands for Computer Numeric Control and is used for controlli…
Blanks are held in place by a blank holder, before being push…
Bending
A gradual curve can be achieved with the material colder, whi…
Blanking
The process of producing a roughly shaped component for furth…
10 terms
Manufacturing 1
synthetic
ceramic
metals
mixed materials
any product that exists that is artificial or man-made
inorganic & nonmetallic materials made from powdered material…
elements, compounds, or alloys that account for roughly two-t…
a product that uses both natural & synthetic materials
synthetic
any product that exists that is artificial or man-made
ceramic
inorganic & nonmetallic materials made from powdered material…
38 terms
Ceramics: Porcelain finishing
___ ____ are used to contour the porce…
use a diamond or stone specifically de…
slow to medium speeds, you don't want…
do not _____ porcelain abrasives with…
hand pieces
initial gross reduction
chip
intercahnge
___ ____ are used to contour the porce…
hand pieces
use a diamond or stone specifically de…
initial gross reduction
53 terms
DENT 536 - All Ceramic Restorations (Lecture 11)
from 700 BC until early 18th century,…
porcelain teeth invented in
first feldspathic porcelain
PFM crowns
animal products... mouths of dead people
1808
1903
1956
from 700 BC until early 18th century,…
animal products... mouths of dead people
porcelain teeth invented in
1808
46 terms
PFM and all ceramic
Metal ceramic restoration
when to use PFM
when NOT to use PFM
metal coping: direct contact with tooth
consists of a layer of tooth-color porcelain material bonded…
-when a complete crown is needed to resotore appearance as we…
-young patient with large pulpal chamber:... -limbeted interoccl…
-provides the strength and ht emarginal integrity of the rest…
Metal ceramic restoration
consists of a layer of tooth-color porcelain material bonded…
when to use PFM
-when a complete crown is needed to resotore appearance as we…
22 terms
BT - CERAMIC
ceramic
earthen materials
stoneware
porcelain
formed by ionic bonding of metal and non metal
low fired. non-vitreous ware
high fired, opaque, vitrified ceramic ware
a hard vitreous, translucent ceramic material
ceramic
formed by ionic bonding of metal and non metal
earthen materials
low fired. non-vitreous ware
28 terms
Ceramic terms
Bisque ware
Clean up tool
Coil method
Extruder
The clay piece has gone through its 1st firing
A tool with a strait blade at one end & a curved one at the o…
Building with clay that has been rolled on a flat surface and…
A large tool used to make different sized coils
Bisque ware
The clay piece has gone through its 1st firing
Clean up tool
A tool with a strait blade at one end & a curved one at the o…
28 terms
ceramic terms
bisque ware
cleanup tool
coil method
extruder
the clay piece has gone through its 1st firing
a tool with a strait blade at one end and a curved one at the…
building with clay that has been rolled on a flat surface and…
a large tool used to make different sized coils
bisque ware
the clay piece has gone through its 1st firing
cleanup tool
a tool with a strait blade at one end and a curved one at the…
28 terms
Ceramic Terms
Bisqueware
Clean up
Coil method
Extruder
The clay piece has gone through its 1st firing
A tool with a strait blade at one end & curved on the other,…
Building with clay that has been rolled on a flat surface and…
A large tool used to make different sized coils
Bisqueware
The clay piece has gone through its 1st firing
Clean up
A tool with a strait blade at one end & curved on the other,…
20 terms
Ceramic Vocabulary List - (2nd 20 terms)
centering
compress
slip cast mold
subtractive
process of applying pressure to a lump of clay on a spinning…
pushing the clay down and together, forcing particles closer…
plaster shape designed to pour slip cast into and let dry to…
taking away material from the piece
centering
process of applying pressure to a lump of clay on a spinning…
compress
pushing the clay down and together, forcing particles closer…
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