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dlpmagazine.com� dentallabproducts May 2010

Primopattern

a light touchCreating a precise implant bar using Primopattern light-cured modeling resin

Information provided by Primotec USA

Primotec Usawww.primogroup.net

25SylvanRoadSouthSuiteNWestport,CT06880866-643-3129

Features

Readytousesingle-componentmodelingmaterial

Stayswhereitisplacedwithoutrunning

Curesinconventionallight-curingunitswithoutheat

Polymerization-neutralwithabsolutedimensionalstabilityandoptimalfit

Nodistortion,highsurfacehardness,exceptionalstrength

Burnsoutcleanlyandcompletely

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Fig.ASixNobelDirectimplantsplacedinidealpositionduetobackwardplanning.

Fig.BUnlikewax,thePrimopatterngeldoesnotpullawayfromthemargins.

Fig.CTheviscous,thixotropicgelcanbedirectlyappliedbysyringewithoutslumping.

Fig.DTrimmingandshapingafterlight-curingisdonewithcarbidebursorrubberpolishers.

Fig.EThematerialdoesnotshowanyclinicallyrelevantlight-cureshrinkage.

Fig.FThepasteconsistency,similartosoftputtyandnotsticky,allowsforhandshaping.

Fig.GThebarisformedbyhandandplacedonthealveolarridge.

Fig.HThepastemoldsdirectlytothelight-curedgelonthecopings.

Fig.IThethreebarsegmentsareconnectedthenlight-curedasonepiece.

Formulated with optimalstrength and accuracy,

Primopatternsingle-componentlight-cureduniversal

modelingresinisavailableinasyringeablemodelinggel

andamodelingpaste.Asamodelinggel,itisapplied

directlyfromthesyringe,usuallytobuildupcopings

andimplantabutments;asamodelingpaste,itoffers

aclay-likeconsistencyandcanbeapplied,formed,or

adjustedwithfingersorhandinstrument.Thematerial

burnsoutcleanlyandcompletelyforcastingorpressing,

canbescannedwitheitheralaserorprobescanner,

andworkswellforzirconiacopymillingsystems.

Primopatternisusedatroomtemperature,which

reducestheriskofdistortionbecausenoheatingis

involvedaswithwaxandthereisnomixingofmaterials

(i.e.,powderandliquidofPMMAmodelingresins).It

hasalongworkingtimeofmorethan20minutesand

ashortcuringtimeoflessthan5minutes.Itdoesnot

containanyMMAorperoxideandhasnotasteorsmell.

Ifneeded,itcanbeusedinconjunctionwithconven-

tionalwaxesorlight-curedwax(e.g.,Metacon).

Followingarestepsforcreatinganimplantbar.

Inthiscase,sixNobelDirectimplantswereplacedin

anidealpositionduetoasuccessfulbackwardplan-

ningwiththeNobelguideimplantnavigationsystem

(Fig. A).

01 Block-outthescrewchanneloftheimplant

postwithwax.

02 Build-uptheimplantcopingswiththesyringe-

ablePrimopatterngel(Figs. B, C).

steP-by-steP PriMoPattern

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bench Mastery

03 Oncethecopingisbuilt-up,light-curethematerial

andadjustifnecessary(Fig. D). 04 Preparetheremainingfivecopingsinthesame

manner.Note:BecausethePrimopatternmate-

rialpolymerizestowardsthelight,thecopingsfitwithout

grippingtheabutments(Fig. E).

05 CreatethebarsegmentsusingPrimopattern

pastewherelargeramountsofmaterialneedto

beapplied.Note:Themodelingpastealsoissuitablefor

useonpontics,transferorinsertionguides,implantjigs,

verificationindexes,etc.

06 Useasmallamountofpastetocreatethebarby

hand(Fig. F)andthenplaceonthealveolarridge

(Fig. G).Note:Thematerialhasaconsistencysimilartosoft

putty,isnotsticky,andcanbeeasilyshapedbyhand.

07 Adaptthepastetothealreadymadecopings

(Fig. H).

08 Build-uptheposteriorbarsegmentsinthesame

wayastheanteriorbar(Fig. I).Thecaseisready

tobelight-curedtogetherasasingleunit.

09 Afterlight-curing,thebarcanbeeasilyremoved

tocheckforfitandmilled(Fig. J).

10 Whenthemillingiscomplete,makeanycorrec-

tionsbyapplyingthegel(Fig. K)andthenre-light-

curingwithahand-heldlablight(Fig. L).

Thefinishedbarfitsperfectlyandcanbeeithersprued

andcast,pressed,scanned,orcopymilled(Fig. M). labFig.JThebarcanbemilledimmediatelyfollowingcuring.

Fig.KAnycorrectionsorreinforcementscanbemadewiththesyringeablegel.

Fig.LThecorrectionscanbestabilizedbyprepolymerizingusingahand-heldlabcuringlight.

Fig.MThecompletedbarcanbespruedforcastingorpressing,scannedforCAD/CAMprocesses,orcopymilled.

steP-by-steP PriMoPattern