User manual | CAD/CAM - DeguDent

CAD/CAM
Product description and Instructions for Use
Cercon® base, Cercon® base light, Cercon® base medium, Cercon® base colored
(short: Cercon® base) and Cercon® ht, Cercon® ht light, Cercon® ht medium
Cercon® base PMMA, Cercon® base cast, Cercon® wax
for Cercon® brain and Cercon® brain expert
Product description
Cercon® base,
Cercon® base light,
Cercon® base medium,
Cercon® base colored,
(short: Cercon® base),
Cercon® ht, Cercon® ht light,
Cercon® ht medium
(short Cercon® ht)
Indications in the anterior and posterior segments:
Cercon® base / Cercon® ht is indicated for
• Crowns
• Telescopicprimarycrowns
• Multi-unitbridges(withnomorethantwoponticsbetween
abutmentcrowns)
• Abutments
Cercon® base / Cercon®htcanbeusedasasubstructure
(framework)whichisthenveneeredwithadentalveneeringceramic
orcanbeusedforfull-contourapplication(withoutveneering)as
well.InthecaseofTelescopicprimarycrownsandabutmentsthe
substructureisnotveneered.
Product description:
Cercon® base / Cercon® ht blanks are made of yttria-stabilized
zirconia (Y-TZP). They are used in fabricating frameworks for
fixedprostheticrestorationsusingCercon® brain / Cercon® brain
expert.Theyaremadeofanoxideceramicmaterialcharacterized
byparticularlyhigh-strength.
These blanks are available in white
(Cercon®
base) and three
gradations of ivory (Cercon® base light, Cercon® base medium,
Contraindications:
•Inpatienthypersensitivitytozirconiaoroneoftheother
ingredients,thismedicalproductmaynotbeusedatalloronly
undertheparticularscrutinyofthedentistorphysicianincharge
•Bruxismorrecalcitrantparafunctionalhabits(asusualforall
ceramicallyveneeredframeworks)
•Insufficientavailablespace
•Inlaybridges
Cercon®basecolored).Ahighlytranslucentvariant(Cercon®ht,
•Endodonticposts
Cercon®
•Endosseousimplants
ht light and
Cercon®
ht medium) offering particularly
pro-nouncedlighttransmissioncompletesthisproductrange.
Dependingontheframeworkdesign,Cercon® base / Cercon® ht
frameworks can be ceramically veneered or inserted as fully
anatomic restorations. Which blank is selected will depend on
the shade to be reproduced and the space available for the
veneer.
Warnings:
Known cross-reactions or interactions of this medical product
withothermedicalproductsormaterialalreadypresentintheoral
environment must be taken into consideration by the dentist in
chargewhenselectingthismedicalproduct.
Precautions:
With fully anatomic restorations, no space is required for the
Please note: • Keep product dust away from eyes • Avoid any
ceramicveneer,whichmayallowthedentisttopreservemoreof
contactwithmucosa•Afteruse,washyourhandsandapplya
thetoothsubstanceduringpreparation.
handcream•Whenusing,donoteatordrink,donotingest,do
notinhaledustparticles•Uselocalsuctionandsuitablemouth/
Frameworkmaterial
Temporarycementation
Definitivecementation
ZirconiaY-TZP
•Adhesiveluting
•Conventionalcementing
UsingCercon® brain / Cercon®brainexpert,yourrestorations
and frameworks are individually fabricated to your digital
design specifications such as anatomic shape, framework
wallthicknessandconnectordiameterorcementinggap.
Always use the most current version of the design software,
asthismayinfluencetheproductionofyourrestorations.–As
per May 2011, the most current software version for
Cercon®artisversion3.1.5.
faceprotectionduringgrinding
Possible
Processing the material will result in the release of dust that
may cause irritation of the eyes, skin or respiratory passages.
Theoverallmaximumworkplaceconcentration(MAK)forzirconia
underGermanoccupationalhealthregulationsis1mg/m³,which
meansthatlocalsuctionmustbeensuredduringallprocessing.
Thesafetyandwarningnoteslistedheredescribehowtouseour
system components in a safe and risk-free manner. Notify the
dentist in charge of all factors described above if you use this
medical product for a custom design and make sure to comply
with the Instructions for Use and the pertinent Material Safety
DataSheets(MSDS).
3
Product description
Adverse effects:
Indoingso,however,makesurethatthereliefoftheocclusal
We are not aware of any risks or adverse effects related to
surfacesisnotmodifiedbydeepeningexistingfissures,asthis
Cercon® base / Cercon® ht. If properly processed and used,
mightcompromisethestabilityofthematerialduetonotching
adverse effects of this medical product are highly unlikely.
action. Note that a shallow occlusal relief will increase the life
However, reactions of the immune system (such as allergies) or
expectancyoffullyanatomicrestorations.
localized paraesthesia (such as an irritating taste or irritation of
the oral mucosa) cannot be completely ruled out as a matter
When manually finishing the frameworks, never (!) segment
of principle. Should you learn of any adverse effects – even
them interdentally with cutting wheels or other rotary
questionableones–youarerequestedtonotifyus.
instruments, because this, too, might result in notching and
reducedstability.
Framework dimensions (anterior and posterior):
Wallthickness-Singlecrowns
Marginthickness-Singlecrowns
Wallthickness-Bridges
Marginthickness-Bridges
0,4mm
0,2mm
0,5mm
0,2mm
Important note:
Alwaysmakesurethattheminimumthicknessoftheframework
intheocclusalareameetstheminimum-thicknessrequirements
evenaftersubsequentocclusaladjustment.
Additional dimensional requirements
for the anterior region:
Numberofpontics
• Frameworkdesignforceramicveneering
2
Connector cross section
6mm2
Frameworks to be ceramically veneered must be designed
to a reduced anatomical shape for the veneer to receive
maximumsupportbytheframework.
Additional dimensional requirements
for the posterior region:
Numberofpontics
2
Connector cross section
Cantileverponticattoothposition
(onlyonepontic,uptoone
premolarwidth)
The frameworks can be veneered using either the pressing
techniqueorthebuilduptechnique.
9mm2
Upto
secondpremolar
Connector cross section
forthiscantileverpontic
Technical specifications:
Typ II, Class 6 (according to DIN EN ISO 6872; 2009)
12mm2
•CTE:10.5(25–500°C)•Modulusofelasticity:210GPa
General notes on framework design:
Composition (in mass %):
• Fullycontouredframeworkdesign
• Zirconia • Yttria 5% • Hafnium oxide <2% resp. <3%
Indicatedespeciallywherelittleocclusalspaceisavailable,where
(Cerconht)•Aluminaandsilica<1%•(Total100%)
the restoration will be inserted without prior veneering or where
therestorationwillbeindividuallycharacterizedusingbodystains.
Fully contoured framework designs will be given the most
suitable surface shape and texture automatically, as the
Cercon® brain / Cercon® brain expert milling strategy uses a
particularly fine cutter. The framework surface thus attained
canbeadditionallypolishedcarefully(!)beforesintering,using
rotaryinstrumentssuchasfinecuttersorwheels.
Finishing:
• Processing with Cercon® brain:
ProcessedinthesamemannerasallCercon® base / Cercon®
ht shades. For detailed instructions, please refer to the
Cercon®brainInstructionsforUse.
• P
rocessing with Cercon® brain expert:
For processing the blanks, use Type 0 Cercon® brain expert
cutters (ZrO2). For detailed instructions, please refer to the
Cercon®brainexpertInstructionsforUse.
4
•Sintering with the Cercon® heat plus
Cercon® base, Cercon® base light, Cercon® base medium,
Cercon® base colored:
Frameworksmadeofthesematerialsaresinteredat
• 1.350°CintheCercon®heatfurnace
or at
• 1.350°Cbzw.1.450°CintheCercon®heatplusfurnace
Sandblasting:
-Program #2 for bridges of up to eight units,
Thesandblastingaidfacilitatestheremovaloftheobjectfromthe
blank.Ithelpspreventframeworkfractureorotherdamagetothe
Tmax.=1.450°C
Correctpositiononthesinteringtray.
-Program #1 for bridges of up to eight units,
Tmax.=1.350°C
Sinteringtraywithsinteringblock.
-Program #3 for bridges of nine units or more
workpieces.Usealumina(50µm,max.1.5bar)tosandblastonthe
labialandbuccalspruesoftheobjectandthe“tongue”connector,
Tmax.=1.450°C**
because the object must be sintered together with that “tongue”.
Cercon®
ht,
Cercon®
ht light,
Cercon®
FrameworksmadeofCercon®
ht medium:
ht are sintered at
•
1.500°CintheCercon®heatplusfurnace
- Program #4 for bridges of up to eight units,
Bytrimmingexcessedgesatthebottomofthe“tongue”youcan
give the object more stability on the sintering block. (The smaller
objects nested inside the “tongue” are detached completely and
sinteredseparately.)
Tmax.=1.500°C
- Program #5 for bridges of nine units or more,
Tmax.=1.500°C
•Special sintering notes applicable to large-span bridges
(> 9-gliedrig) in Cercon® heat plus:
Sandblastingaid.
Sandblastingtheworkpieces.
Nesting:
Toensurehomogeneouscontraction,nestsmallerobjects(such
assinglecopingsorthree-unitbridges)ontheinside(“tongue”)of
largerworkpieces.
Beforemilling:
Completely remove the barcode label from the blank to avoid
contaminationofthesinteringfurnace(Cercon®heatplus).
Sintering:
Only two wide-span bridges (> 8 units) can be sintered in the
Cercon® heat plus at a time. Place the object on the sintering
block, with due regard to the internal vertical clearance of the
Cercon®heatplus(130mm)andtheneedtofacilitatecontraction
without any mechanical constraints. The bridge must not touch
thesinteringblockduringthesintering.
Separation:
The object is separated from the tongue using diamond cutters
underirrigation.
Manual finishing after sintering:
• Sandblasttheinsideandoutsideoftheframeworkwithalumina
(110–125µm,max.3–4bar,45°angle).
• Eliminate premature contacts one by one until the framework
hasreacheditsfinalpositiononthedie(s).Duringthetry-onand
fittingoftheframework,keepthediesonthecastandtryon
theframeworkasawhole.
• Oncethetry-onandfittingworkhasbeencompleted,donot
performanyadditionaladjustmentssuchasfinishingtheentire
framework.
5
Product description
Note: Zirconia crown or bridge abutments should fit passively,
Build-up technique
withoutfriction.Therationaleforrequiringapassivefitliesinthe
ItisrecommendedtouseCercon® ceramkiss/Cercon® ceram
physical properties of the material itself: Ceramics will tolerate
press / Cercon® ceram love (ceramic veneering materials) for
compressive stress but not tensile stress. In crowns that
veneeringzirconiaframeworks.Makesuretofollowtheapplicable
exhibitafrictionfit,thisfrictionisgeneratedbycertain“bearing”
InstructionsforUse.
partsoftheframework,asthecrownitselfneverrestscompletely
onthedieduetoprocessing-relatedsurfaceroughness(thesame
Annealing:
actuallyholdsforcast-metalframeworks).Itisonlythepeaksof
Based on the results of our scientific testing of zirconia frame-
the surface roughness (the named “bearing” parts) that are in
works, we consider a separate annealing (“healing”) step both
contact with the die surface. This converts the compressive
unnecessaryandinappropriate.
forces generated by masticatory pressure into tensile forces,
whichmaywelldamagethecrown.
In-laboratorypolishing:
Unveneeredzirconiaframeworksshouldnotbeinsertedwithout
• Adapt the framework margins exactly to the preparation
margins.
polishingthemtoahighlusterorsealingthemwithaglazeinordertoprotecttheantagonistsfromabrasion.Inaddition,polishing
or glazing the restoration supports patients in their efforts at
Note: Zirconia should be finished using diamond instruments
oralhygiene.
underproperirrigationonly.Keepthepressureontheframework
materialtoaminimumandworkonlyinonedirection.
In-office polishing:
Comprehensive DeguDent-initiated studies have demonstrated
• Sandblast the finished areas once again with alumina
(110–125µm,max.3–4bar,45°angle).
• Finally,cleantheframeworkusingasteamcleaner.
the abrasive effect of Cercon® base / Cercon® ht on the
antagonistnottoexceedthatofcommerciallyavailableceramic
veneers or lithium disilicate ceramics – not even after adjusting
onpolishing.
Veneering / shading:
You may need to adapt your usual build-up procedure to the
Strictly for prevention purposes we recommend, following final
respectiveCercon®baseshade.Pleasereadinstructionsforuse
intraoral occlusal adjustment of the restoration, polishing any
oftheusedveneeringceramic.
adjusted surfaces to a high lustre or sealing them with glaze
beforetemporaryordefinitivecementing.Thisisveryimportantas
NotethatCercon®htexhibitshighlevelsoflighttransmissiondue
it protects the antagonists from possible abrasion. In addition,
toitspronouncedtranslucency.
polishing or glazing the restoration supports patients in their
effortsatoralhygiene.
General
Notably, reproduction of the custom shade is potentially
Shadesfinalizedbystainingmayresultinbrightspotswherethe
influencedby:
stainwasremovedduringocclusaladjustment.
• Dieshade
• Colourofthematerialusedfortemporary/definitivecementing
Transport and storage:
• Wallthicknessoftheframework
Therearenospecialterms.
• Useofliner
Staining technique
For tooth-coloured staining of fully anatomic Cercon® base /
Cercon® ht restorations, we recommend our Cercon® ceram
bodystains.
6
Product description
Cercon® base PMMA
Product description:
Indications in the anterior and posterior segments:
Cercon® base PMMA are made of polymethylmethacrylate.
They are used in fabricating provisionals for crown and bridge
•Crowns
frameworksforfixedprostheticrestorations.
•Multi-unitbridges(withoneponticbetweenabutmentcrowns)
Frameworkmaterial
Polymethylmethacrylat
Temporarycementation
Yes
Definitivecementation
–
Using Cercon® brain/Cercon® brain expert, your restorations
and frameworks are individually fabricated to your digital
Cantilevered-ponticbridgesarefabricatedattheordering
laboratory’srisk.
Allprovisionalsshouldnotbewornforlongerthansixmonths.
Contraindications:
•Inpatienthypersensitivitytopolymethylmethacrylateor
oneoftheotheringredients,thismedicinalproductmay
notbeusedatall.
design specifications such as anatomic shape, framework
wallthicknessandconnectordiameterorcementinggap.
Warnings:
Known cross-reactions or interactions of this medical product
Always use the most current version of the design software,
withothermedicalproductsormaterialalreadypresentintheoral
asthismayinfluencetheproductionofyourrestorations.–As
environment must be taken into consideration by the dentist in
per May 2011, the most current software version for
chargewhenselectingthismedicalproduct.
Cercon®artisversion3.1.5.
ProcessingCercon®basePMMAdiskwillresultintherelease
of dust that may cause irritation of the eyes, skin or respiratory
passages. The legal threshold limit value (TLV) for methylmethacrylateinGermanyis210mg/m³.Toensuresafeandsustainable
compliance, the measured value must not exceed 25% of
the TLV. This in turn requires that the room in which the
Cercon® brain expert is used to process this material (max. 2
disksper8hours)musthaveavolumeofatleast28m³.Inrooms
withasmallervolume,theairexchangeratemustbeincreasedby
asuitableHVACinstallation.
Precautions:
Please note: • Keep product dust away from eyes • Avoid any
contactwithmucosa•Afteruse,washyourhandsandapplya
handcream•Whenusing,donoteatordrink•Donotswallow
•Donotinhaledustparticlesduringgrinding•Uselocalsuction
andsuitablemouth/faceprotectionduringgrinding.
Wear protective gloves when replacing or disposing of
dustfilterbags.
7
Product description
The safety and warning notes listed here describe how to use
our system components in a safe and risk-free manner. Notify
the dentist in charge of all factors described above if you use
this medical product for a custom design and make sure to
comply with the Instructions for Use and the pertinent Material
Technical specifications:
• Density: 1.19 g/cm³ • Solubility: ≤ 7.5 µg/mm³ • Flexural
strength:≥65MPa•Watersorption:≤40µg/mm³•Flexural
modulus:≥2,000MPa
SafetyDataSheets(MSDS).
Composition (in mass-%):
Adverse effects:
of methacrylic acid > 99% • Pigments (predominantly
We are not aware of any risks or adverse effects related to
ironoxidepigmentsandbenzoylperoxide)<1%•Polymethyl
• Polymethyl methacrylate and cross-linked copolymers
Cercon® base PMMA. If properly processed and used, adverse
effects of this medical product are highly unlikely. However,
methacrylatemaycontainuptoapprox.1%residualmonomer
•(Total100%)
reactions of the immune system (such as allergies) or localized
paraesthesia (such as an irritating taste or irritation of the oral
Manual finishing:
mucosa)cannotbecompletelyruledoutasamatterofprinciple.
To remove a framework from the blank and to finish the
Shouldyoulearnofanyadverseeffects–evenquestionableones
framework,cross-cuttungsten-carbidecutterssuitableforcutting
–youarerequestedtonotifyus.
resinorappropriateseparatingdisksmustbeused.Toavoidan
imprecise fit of the completed framework, subsequent to
Framework dimensions (anterior and posterior):
Wallthickness,singlecrowns
1,0mm
Marginthickness-Singlecrowns
0,2mm
Wallthickness-Bridges
1,0mm
Marginthickness-Bridges
0,2mm
Connector cross section
Veneering:
Notapplicable.
Transport and storage:
Additional dimensional requirements
for the anterior region:
Numberofpontics
frameworkavoidexcessiveheatduringfinishingandpolishing.
Storedry.
1
9mm2
Reuse:
As each restoration or frameworks is a custom product for a
specific patient and case, the product is not reusable in any
Additional dimensional requirements
for the posterior region:
Numberofpontics
Connector cross section
Cantileverponticattoothposition
(onlyonepontic,uptoone
premolarwidth)
Connector cross section
forthiscantileverpontic
8
dental rehabilitation setting other than that for which it has
beenprescribed.Inaddition,theframeworkcannotbereusedfor
1
9mm2
Kontraindiziert
–
refabricationoranyothersubsequenttherapeuticpurpose.
Product description
Cercon® base cast ,
Cercon® wax
Product description Cercon® base cast:
Indications in the anterior and posterior segments:
Cercon®basecastblanksaremadeofpolyurethane,whichisa
castingresinthatleavesnoresidue.Theyareusedinfabricating
•DependingonthepropertiesoftheCAD/CAMsystemandthe
castingalloyused.
frameworksfortheconventionalcastingtechnique.
Frameworkmaterial
Polyurethan
Temporarycementation
No
Definitivecementation
–
Contraindications:
•Cercon® base cast and Cercon®waxhavenotbeenapprovedfor
intraoraluse.
Warnings:
Known cross-reactions or interactions of this medical product
Product description Cercon® wax:
Cercon®waxblanksareblanksmadeofamillingwaxthatleaves
no residue after firing. Shey are used in fabricating frameworks
forthecastingtechnique.
withothermedicalproductsormaterialalreadypresentintheoral
environment must be taken into consideration by the dentist in
chargewhenselectingthismedicalproduct.
Processing Cercon® base cast / Cercon® base cast disk /
Cercon®waxwillresultinthereleaseofdustandchipsthatmay
Frameworkmaterial
Wax
Temporarycementation
No
Definitivecementation
–
causeirritationoftheeyes,skinorrespiratorypassages.Provide
a sufficient local workspace vacuum throughout. For safety
requirements while burning out the material, please consult the
pertinent information in the Cercon® base cast Instructions for
Use. When burning out Cercon® wax from the casting mould,
observe the same safety precautions as for conventional wax
Using Cercon® brain/Cercon® brain expert, your restorations
and frameworks are individually fabricated to your digital
design specifications such as anatomic shape, framework
wallthicknessandconnectordiameterorcementinggap.
castingmolds(removingwaxfumesbyvacuum).
Precautions:
Please note: • Keep product dust away from eyes • Avoid any
contactwithmucosa•Afteruse,washyourhandsandapplya
Always use the most current version of the design software,
asthismayinfluencetheproductionofyourrestorations.–As
per May 2011, the most current software version for
handcream•Whenusing,donoteatordrink•Donotswallow
•Donotinhaledustparticlesduringgrinding•Uselocalsuction
andsuitablemouth/faceprotectionduringgrinding
Cercon®artisversion3.1.5.
Thesafetyandwarningnoteslistedheredescribehowtouseour
system components in a safe and risk-free manner. Notify the
dentist in charge of all factors described above if you use this
medical product for a custom design and make sure to comply
with the Instructions for Use and the pertinent Material Safety
DataSheets(MSDS).
9
Product description
Adverse effects:
We are not aware of any risks or adverse effects related to
Cercon® base cast / Cercon® wax. If properly processed and
Technical specifications:
–
used, adverse effects of this product are highly unlikely. Should
Composition Cercon® base cast:
youlearnofanyadverseeffects–evenquestionableones–you
•Polyurethan
arerequestedtonotifyus.
Composition Cercon® wax:
Framework dimensions (anterior and posterior):
Wallthickness,singlecrowns
Marginthickness,singlecrowns
Wallthickness,bridges
Marginthickness,bridges
0.4mmorasdirectedbythe
pertinentrecommendations
forthecastingalloyused
0.2mmorasdirectedbythe
pertinentrecommendations
forthecastingalloyused
0.5mmorasdirectedbythe
pertinentrecommendations
forthecastingalloyused
0.2mmorasdirectedbythe
pertinentrecommendations
forthecastingalloyused
Connector cross section
• LD polyetylene homopol • Esters of hydrated colophon
•Additives.
Processing with Cercon® brain expert:
For processing Cercon® base cast disk or Cercon® wax disk,
use Type 2 Cercon® brain expert cutters (PMMA). For detailed
instructions,pleaserefertotheCercon®brainexpertInstructions
forUse.
Manual processing:
Additional dimensional requirements
for the anterior region:
Numberofpontics
Microwax•Resins•Paraffins•Pigments•Polyethylenewax
Cercon® wax can be processed using a high-speed procedure,
2
9mm2orasdirectedbythe
pertinentrecommendations
forthecastingalloyused
asthematerialcanbeburned-outwithoutincreasinginvolume.
To remove a framework from the blank and to finish the
framework, cross-cut tungsten-carbide cutters suitable for
cutting resin or appropriate separating disks must be used.
Additional dimensional requirements
for the posterior region:
Numberofpontics
Connector cross section
Cantileverponticattooth
position(onlyonepontic,upto
onepremolarwidth)
Connector cross section
forthiscantileverpontic
Toavoidanimprecisefitofthecompletedframework,subsequent
toframeworkavoidexcessiveheatduringfinishingandpolishing.
2
12mm2orasdirectedbythe
pertinentrecommendations
forthecastingalloyused
Upto
secondpremolar
16mm2orasdirectedbythe
pertinentrecommendations
forthecastingalloyused
Veneer Cercon® base cast / Cercon® wax:
Notapplicable.
Transport and storage:
Nospecialterms.
Reuse:
As each restoration or frameworks is a custom product for a
specific patient and case, the product is not reusable in any
dental rehabilitation setting other than that for which it has
beenprescribed.Inaddition,theframeworkcannotbereusedfor
refabricationoranyothersubsequenttherapeuticpurpose.
10
11
Fascination
GB
28239/1112/DB
Last revision: 12/2011
Prosthetics
DeguDent GmbH
Rodenbacher Chaussee 4
63457 Hanau-Wolfgang
Germany
www.degudent.com

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