bench Mastery step-by-step InItIal IQ-One bOdy lOM
dlpmagazine.com� dentallabproducts March 2010
Initial IQ-One bodyering layering-One layer efficiencyCreating an esthtic crown using GC America’s Initial IQ-One Body Layering-Over-Metal system.
By Luke Kahng, CDT, LSK 121 Oral Prosthetics. Information provided by GC America Inc.
GC america [email protected]
3737W.127thSt.Alsip,IL60803800-323-7063
Features
Usesonlyfourceramicsforall16standardshadesIndicatedforporcelain-fused-to-metalrestorations
SinglelayerapplicationtoreproducestandardVITAshades
Fourbodymaterialscanbecombinedwiththree-dimensionalLustrePastes
CompatiblewithmanyalloysandMC/Initialrangeofproucts
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Fig.APre-operatively,thebasecolorischecked. Fig.BPremolarocclusioncoloristhenchecked. Fig.CThepatientischeckedforTranslucenceEnamel.
Fig.DNext,BlueEnamelcolor,shownhereasBU-1orLightischecked.
Fig.EThetoothispreppedandthestumpcolorisphotographed.
Fig.FAcopingwascreatedusingPrimotec’sPrimopatternlightcuringgel.
Fig.GThecopingwaslight-curedfor5minutes.Fig.HGCInitialOneBodyPorcelain,C-1,was
layeredwithnoenamelporcelainneeded.Fig.IAfterfiringat900ºC,the
enamelcolorcanstillbeseen.Fig.JLustrepastewithInitialIQis
GCInitialIQ–OneBody,Layer-
ing-over-Metalconceptenables
dentaltechnicianstoachieve
simpleandeconomicalreproduc-
tionofstandardVitashadesbythe
applicationofasinglelayer.Atrue
onepowderbuildceramicwithout
compromisingesthetics,thiscom-
pactsystemenablesreproduction
ofthesameestheticresultstime
andagainwithfewermaterials.
Thesystemcomprisesfournew
Bodymaterials,whichcanbe
combinedwiththeproventhree-
dimensionalLustrePastesallowing
laboratoriestobemoreproductive
inlesstime.Crownbuildupcan
beaccomplishedusingonlyone
powder,allowingfullattentionto
shapingandfunction.Thesystem
alsoisfullycompatiblewiththe
existingMC/Initialfamilyproduct
lineandwithmanyalloys.
dlpmagazine.com March 2010 dentallabproducts �
bench Mastery step-by-step InItIal IQ lOM
Case study
01 Pre-operatively,thebasecolorischeckedusing
threeshadetabsfordentincolor:A1,B2and4L
(Fig.A).
02 Premolarocclusioncolorwasthencheckedus-
ingtheLSKChairSideShadeSelectionGuideand
determinedtobePO-5orMilkyBlueincolor(Fig. B).Tothe
author’seye,itcouldbedescribedasa“pink-blue”tone.
03 Next,TranslucenceEnamelwaschecked,and
determinedittobe#5orClearincolor(Fig. C)
andthenforBlueEnamelcolor,shownhereasBU-1,Light
(Fig. D).
04 Thetoothwaspreppedandthestumpcolorpho-
tographed(Fig. E)withtheadjacenttoothcolor
alsodisplayed.Thebluetonewillbemimickedduetothe
amalgamfillinginpremolarNo.6.
05 WithPrimotec’sPrimopatternlightcuringgel
(Fig. F),acopingwascreatedandlightcuredfor
5minutes(Fig. G).
06 GCInitialOneBodyPorcelain,C-1,waslayeredon
withnoenamelporcelainneeded(Fig.H).
07 Afterfiringat900ºC,theenamelcolorisstill
visible(Fig. I).
08 Afterthisapplication,thelustrepastewasapplied
withInitialIQontotheOneBodycolor(Fig. J).
09 Next,brown,grayandpinklustrepasteswere
mixedtogether(Fig. K)tocreateastainthatwill,
whenappliedtothecrown(Fig. L),matchthepatient’s
adjacentteeth.
10 Thecrown,whencomparedtotheformofanatu-
raltooth,isaduplicate(Fig. M).
11 Theinsideofthecrownisdisplayedontopofthe
GCIQOneBodybottle(Fig. N)andthenagain
post-cementationinthepatient’smouth(Fig. O). lab
appliedontotheOneBodycolor.Fig.KBrown,grayandpinklustrepastesaremixedtogethertocreateastain.
Fig.LWhenappliedtothecrown,itisamatchwiththepatient’sadjacentteeth.
Fig.MThecrown,whencomparedtotheformofanaturaltooth,isaduplicate.
Fig.NTheinsideofthecrownisdisplayedontopoftheGCIQOneBodybottle.
Fig.OThecrownpost-cementation,inthepatient’smouth
abOut the authOrluke s. Kahng, Cdt,ownerofLSK121
OralProsthetics,haspublishedmore
than40articlesinmajordentalpublica-
tions.Heistheauthoroftherecently
publishedAnatomy from Nature,with50
illustratedpagesoffull-contourwax-ups,
stonemodels,andporcelainteeth,allre-
createdusingnaturalteethasaguide,
andtheEsthetic Guide Bookfeaturing
31patientcasesfromasingleanterior
toothtoafull-mouthreconstruction.
Hislatestbook,Smile Selection + CS³
Clinical Cases,willbepublishedin2010.
Kahngalsoinventedthepatent-pend-
ingChairSideShadeSelectionGuide
andtheSimpleEnamelandPrepColor
Guide,featuringmorethan150zirconia
fabricatedrestorationsbasedonpatient
enamelandtranslucencyresearch.
www.LSK121Resources.com
