Dental Lab Products - April 2009 - (Page 47)

into the material to make the duplication more rigid (Fig. D), then place extra material to bury the bur (Fig. E). 05 Remove the duplication and dies. Cut a funnel access window in the ,.%*#ŏĂĀĀĊŏ .+)+0%+*/ April, 2009 Lab for Life.™ Dental Laboratory Products lower area of the duplication to allow the refractory to be poured into the duplication. a ﬁlm of Vaseline onto all other surfaces that will come in contact with the refractory. Coat the base cones and adjacent die surfaces to prevent bonding. 06 07 Spray the duplication with a surfactant and lightly blow dry. Paint Preformed Wax Kits Promotion 15ŏ*5ŏ !..ŏ.!"+.)! ŏ4ŏ %0Čŏŏ !0ŏŏ !..ŏ+*0%ŏ4ŏ %0ŏĽĀāăġąĀăŏē Position the adjacent die sections into the index retention grooves of the duplication making sure they are fully and securely seated. Note the adjacent dies are two teeth wide (Fig. F). margin. Use a point to submerge into the prep areas to dislodge any bubbles (Fig. G). 08 Mix and vibrate the refractory into the die prep areas to just above the 09 Invert the V2 base over the adjacent dies and duplication, seating them ! %ġ+.)ŏ%+ġ+*0%ŏ %0 %0ŏ+*0%*/ŏāĀŏ+"ŏ!$ŏ/%6!ŏ* ŏ/$,! ĨāĉĀŏ,%!!/ŏ0+0(ĩŏ 0!)ŏ+ċŏĀāăġąĀĉ ! %ġ+.)ŏ+*0%ŏ %0 %0ŏ+*0%*/ŏāĀŏ+"ŏ!$ŏ/%6!ŏ* ŏ/$,! ĨāĉĀŏ,%!!/ŏ0+0(ĩŏ 0!)ŏ+ċŏĀāăġąĀă ! %ġ+.)ŏ4ŏ,/ŏ+/0!.%+.ŏ %0 %0ŏ+*0%*/ŏĊŏ+"ŏ!$ŏ/%6!ŏ* ŏ/$,! ĨĂĉĉŏ,%!!/ŏ0+0(ĩŏ 0!)ŏ+ċŏăĂĂĊĂ ! %ġ+.)ŏ4ŏ,/ŏ*0!.%+.ŏ %0 %0ŏ+*0%*/ŏĊŏ+"ŏ!$ŏ/%6!ŏ* ŏ/$,! ĨĂĉĉŏ,%!!/ŏ0+0(ĩŏ 0!)ŏ+ċŏăĂĂĊā fully into position while keeping inverted. Finish the pour ﬁlling to the top of the funnel opening using light vibration and tipping toward the lingual (Fig. H). Note: Avoid excessive vibration that can cause the refractory to bleed by or ﬂash and distort the pour. Lab Waxes Solutions Wax Carvers 10 Remove the duplication (Fig. I). Remove the refractory from the base and section. The funnel shape can also be ground off. Figure J shows the ﬁnished model with both master and refractory dies. If a replacement die is ever needed it is a simple process to recreate. lab đŏ15ŏ*5ŏăŏ !..ŏ4ŏ.+ 10/Čŏ!0ŏ āŏŏ+"ŏ!-1(ŏ+.ŏ(!//!.ŏ2(1!ŏČŏ+.ŏ 15ŏ*5ŏĆČŏ!0ŏĂŏē !..ŏ+""!./ŏŏ+),.!$!*/%2!ŏ(%*!ŏ+"ŏ34ŏ,.+ 10/Ďŏ %,,%*#Čŏ1(,01.%*#Čŏ *(5Čŏ0%'5Čŏ/!ŏ(0!Čŏ%0!ŏ "!.Čŏ,++(ŏ%.!Čŏ0%(%05Čŏ.0$+ŏ.5ŏ* ŏ+4%*#ċ ŏ đŏ 15ŏ*5ŏăŏ !..ŏ+(10%+*/Čŏ !0ŏāŏ+"ŏ!-1(ŏ+.ŏ(!//!.ŏ2(1!ŏČŏ+. 15ŏ*5ŏĆČŏ!0ŏĂŏē ŏ ŏ đŏ15ŏ*5ŏăŏ !..ŏ4ŏ.2!.ŏ $(2!/Čŏ!0ŏāŏē !..ŏ"!01.!/ŏ*ŏ,,(%0%+*ŏ/,!%"%ŏ(%*!ŏ+"ŏ/!,.0+./Čŏ !..Ě/ŏ3+ŏ,.0ŏ34ŏ.2!./ŏ.!ŏ*ŏ%* 1/0.5ŏ"2+.%0!Čŏ /1."0*0/Čŏ %!ŏ(1.%*0/ŏ* ŏ/+(2!*0/Ďŏ 3%0$ŏ1*%-1!ŏ+**!0%+*ŏ"!01.!Čŏ((+3%*#ŏ5+1ŏ0+ŏ1%( ŏ +(%0%*!Čŏ!1(%6!.Čŏ %.+"%()Čŏ1,!.ġ!,Čŏ* ŏ1"(%)ċ 5+1.ŏ+3*ŏ1/0+)ŏ%*/0.1)!*0Čŏ* ŏ+)"+.0ŏ#.%,/ċ To redeem free goods, fax proof of purchase and free goods selection to Kerr at 888.766.7649. Visit kerrlab.com or call 800.KERR.123 for more information. Fig. J The refractory dies now can be used for restoration processing, the master dies used to ﬁnalize the ﬁt. dlpmagazine.com April dentallabproducts 47 http://www.kerrlab.com http://www.kerrlab.com http://www.dlpmagazine.com

Table of Contents Feed for the Digital Edition of Dental Lab Products - April 2009

Dental Lab Products - April 2009 Contents From the Editor Product Watch New Face of Veneers Veneer Venue Chairside Metal Here and Now Seamless Integration Pressing Versatility Pinless Duplication The Fine Art of Delegating City of Big Ideas Spring Forward Industry News Easy Does It Art of Articulation Classifieds The Perfect Storm

Dental Lab Products - April 2009

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