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Namaste
GoodM
orning
RameshD
.M.
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Technique
Systematic procedureModel fabrication
Preparation for casting
Overview casting techniques
Biocompatibility
http://www.bredent.com/en/bredent/product-informations/100/131/http://www.bredent.com/en/bredent/product-informations/100/132/http://www.bredent.com/en/bredent/product-informations/100/133/http://www.bredent.com/en/bredent/product-informations/100/134/http://www.bredent.com/en/bredent/product-informations/100/135/http://www.bredent.com/en/bredent/product-informations/100/135/http://www.bredent.com/en/bredent/product-informations/100/134/http://www.bredent.com/en/bredent/product-informations/100/133/http://www.bredent.com/en/bredent/product-informations/100/132/http://www.bredent.com/en/bredent/product-informations/100/131/7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02
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Bredent Casting Technique
The bredent group is an internationallyactive! familyrun company"#t develops and produces optimally coordinated standalone products! system solutions $e"g" in implantprosthetics% and &Made in 'ermany& treatment concepts"These enable dentists and dental technicians to produceand maintain highquality! precision! coste(ectiveaesthetic restorations that ensure periodontal hygiene"The bredent casting technique includes all wor)
processes required for the production of casting mouldsand the chemicalphysical processes during melting!casting and the resolidi*cation of materials" Materialsthat are perfectly matched with this technique and the
processes are found in the certi*ed symbiotic system$css%"
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SystematicprocedurePlanning and
e(ects ,
single biocompatible
material does not guarantee
biocompatible dental
restorations" -ighquality!biocompatible dental
restorations require thorough planning"
The bredent casting technique ta)es all essentialcomponents of the combination &Patient Materials Production& into consideration"
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Systematicprocedurebredent quality
The bredent casting techni
que
is based on the commitment
to quality and the requirements
of a responsible patient forbiocompatible dental
restorations under the aspect of longtermbiocompatibility"
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Systematicprocedureadvantages
. Sprues can be universally
/sed for
all alloys. 0olume compensation results
in easytopolish casting without
shrin)age cavities. Special mu1e shapes allow ideal positioning ofwa2 ob3ects
. 4eformationfree spruing and investing reduce the*tting time. 5ew Sprues for reduced material usage
. Structured boo) &bredent casting technique& for
dependable use"
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Systematic procedure4evelopment
The bredent casting technique is
a complete system"#t combines )nowhow and
materials"
The dental technician is enabled
to achieve reproducible! homogenous and patientcompatible results"
t t
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ystemat cprocedure6aboratorysituation
The bredent castingtechnique is matched with
the respective laboratory
situation to meet the
requirements for highquality dental restorations"
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SystematicprocedureBasic
requirements To be able to successfully
apply the bredent casting
technique! competence
in the systematic
procedure
$according to ,ndreas Sabath%"
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fabricationThi2o7oc) class#0
superhardstone The low e2pansion is 3ust8"89 : after two hours
and the limit is 8"8; :"
This stone allowsreproduction of all details
of the original situation
and the fabrication of highly accurate dentures"
Thi2o7oc) is available in brown! ivory and grey"
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Modelfabrication
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Modelfabrication4uplicating
system The duplicating technique
is the ma3or element and
the basis for highly accurate
duplicates" The stable plastic
components of the bredent
duplicating system ensure unsurpassed precisionwhen preparing duplicates and reduce errors"
d l f b i i
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Model fabricationBresol = for theonepiece casting
technique
Perfect control of the e2pansion
of brevest M> in di(erent areas
of an investment model!recommended to use Bresol =
investment material liquid required for accuratesecondary structures in the onepiece casting technique"
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ModelfabricationOptimal mi2ing
-omogeneous mi2ing with
the ecovac mi2ing system"
The threedimensional
ecovac mi2ing spiral incon3unction with the
smooth surface and the conical shape of the bottomof the ecovac mi2ing cup allows to ta)e up all the
material inside and to mi2 it in hori?ontal and verticaldirection"
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Preparation forcasting6inear preheating
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Preparation forcastingBar casting
@hen preparing sprues!
it must be ensured that
the sprues are directedto the melting reservoir
via the center or heat"
, hori?ontal bar which is
placed in the center of the casting ring serves asa melting reservoir"
P ti f
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Preparation forcasting,ttaching the rinsing
head
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Preparation forcasting
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Preparation forcasting
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Preparation forcastingBar restorations
, correctly wa2up bar
structure needs to have
suitable sprues to ensure
perfect casting" #t is essentialto obtain rapid and uniform
*lling of the mould with the
alloy"
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Preparation forcasting
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Overview castingtechnique5lame centrifugal casting
The alloy is melted withthe Came and fed intothe cavity with the
centrifuge arm"
Unsuitable: Blowtorch! welding torch Suitable:Melting
torch
Overview casting
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Overview castingtechniques
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Overview castingtechniques#nduction centrifugal
casting The alloy is melted withthe resistance heatingand transportedAfedinto the cavity of the
casting with thecentrifuge arm"
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Overview casting techniques7esistanceheated vacuumpressure casting
The alloy is melted withthe resistance heatingand Cows into thecavity $o2ygenreduced
atmosphere%D residual*lling is achieved bypressuri?ation"
Overview casting
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Overview castingtechniques#nduction vacuum pressure
casting The alloy is meltedwith the inductionheating and Cowsinto the cavity
$o2ygenreducedatmosphere%D residual*lling andhomogeni?ationduring the
solidi*cation processare achieved bypressuri?ation"
Biocompatibilit
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Biocompatibility
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Biocompatibility,nalysis of the oralsituation
The *rst step in the fabrication
of biocompatible restorations
is the analysis of all materials
involved in the fabrication"
#nteraction with e2isting
materials! defectsAde*ciencies
due to incomplete repair!
medication especially for chronically sic) persons orenvironmental pollutants a(ect the compatibilityconsiderably" #nitial errors may already be madeduring material tests if material samplesAspecimensare prepared in an incorrect manner"
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BiocompatibilityPerfect *t
Biocompatible restorations
require perfect *t!
homogeneous casting
structure! suitable
connection technique and
surface treatment and
perfect bonding of the
veneer" Safe and dependable process parameters areessential because control at a later time would involvethe destruction of the material"
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BiocompatibilityPreconditions for wellbeing
, patient will only acceptthe integratedrestoration if itcontributes to his well
being" Euality! estheticsand bite situation are thebasic pillars and aremaintained by properoral hygiene andnutrition and protect thepatientFs health"
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