+ All Categories
Home > Documents > Bredentcastingtechnique 150223010119 Conversion Gate02

Bredentcastingtechnique 150223010119 Conversion Gate02

Date post: 17-Feb-2018
Category:
Upload: d3nt3chump
View: 218 times
Download: 0 times
Share this document with a friend

of 31

Transcript
  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    1/31

    Namaste

    GoodM

    orning

    RameshD

    .M.

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    2/31

    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

    3/31

    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%"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    4/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    5/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    6/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    7/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    8/31

    ystemat cprocedure6aboratorysituation

    The bredent castingtechnique is matched with

    the respective laboratory

    situation to meet the

    requirements for highquality dental restorations"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    9/31

    SystematicprocedureBasic

    requirements To be able to successfully

    apply the bredent casting

    technique! competence

    in the systematic

    procedure

    $according to ,ndreas Sabath%"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    10/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    11/31

    Modelfabrication

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    12/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    13/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    14/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    15/31

    Preparation forcasting6inear preheating

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    16/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    17/31

    Preparation forcasting,ttaching the rinsing

    head

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    18/31

    Preparation forcasting

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    19/31

    Preparation forcasting

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    20/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    21/31

    Preparation forcasting

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    22/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    23/31

    Overview castingtechniques

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    24/31

    Overview castingtechniques#nduction centrifugal

    casting The alloy is melted withthe resistance heatingand transportedAfedinto the cavity of the

    casting with thecentrifuge arm"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    25/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    26/31

    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

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    27/31

    Biocompatibility

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    28/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    29/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    30/31

    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"

  • 7/23/2019 Bredentcastingtechnique 150223010119 Conversion Gate02

    31/31

    T-,=GHO/5O76#STI=#='


Recommended