Visit us at · Fuji Plus). Use resin cements (e.g., Multi-Link or Panavia F2.0) for short or...
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The esthetic alternative to metal occlusion or full-cast crowns Every practice has severe bruxers and grinders that still want an esthetic posterior restoration. Every dentist has run into the situation where there isn’t enough occlusal preparation space for porcelain coverage. Now there is a solution to both these dilemmas: Opalite All-Zirconia crowns and bridges – exclusively from Aurum Ceramic/ Classic. An all-ceramic alternative designed specifically to meet posterior high load demands, Opalite is a monolithic, solid medical grade Zirconia crown or bridge without the porcelain overlay. Hard sintered to reach a final flexural strength of 1100 MPa, Opalite restorations are virtually unbreakable, offering excellent long-term durability for bruxers and grinders. 4 BRIDGES Opalite ™ All-Zirconia Crowns & Bridges Perfect for Tight, Minimal Clearance Situations A traditional, conservative cast gold preparation is all that’s required. Best of all, you can have as little as 0.5 mm occlusal reduction (although 1.0 mm is ideal). This is far less than standard PFM or layered Zirconia/Porcelain restorations. Feather edge margins can be employed (shoulder preparations are not required). Opalite crowns and bridges can be designed directly from your digital impression files – or from normal impressions and models. Use conventional cementation. Opalite is a far more esthetic alternative when compared to metal occlusion or full-cast crowns. Glazed to a smooth, plaque resistant surface, there is a wide range of shades available for a perfect match. Created with latest advancements in digital technologies, each restoration is CAD/CAM milled for virtually perfect contacts, fit and easy seating. Digitally equilibrated occlusion, contacts and beautifully consistent anatomy virtually eliminate the need for chair side adjustments. High-Translucency for Excellent Esthetics Features and Benefits Super Strong and Esthetic • Monolithic all-zirconia crowns & bridges. • Occlusal reduction as little as 0.5 mm all that’s required. • Hard sintered for final 1100 MPa flexural strength. • Virtually unbreakable, even with severe bruxers and grinders. • Use your digital impression files – or normal impressions and models. • CAD/CAM milled for virtually perfect contacts, fit and easy seating. • Conventional cementation.
Transcript of Visit us at · Fuji Plus). Use resin cements (e.g., Multi-Link or Panavia F2.0) for short or...
The esthetic alternative to metalocclusion or full-cast crowns
Every practice has severe bruxers andgrinders that still want an esthetic posteriorrestoration. Every dentist has run into thesituation where there isn’t enough occlusalpreparation space for porcelain coverage.Now there is a solution to both thesedilemmas: Opalite All-Zirconia crowns andbridges – exclusively from Aurum Ceramic/Classic.
An all-ceramic alternative designedspecifically to meet posterior high loaddemands, Opalite is a monolithic, solidmedical grade Zirconia crown or bridgewithout the porcelain overlay. Hard sinteredto reach a final flexural strength of1100 MPa, Opalite restorations are virtuallyunbreakable, offering excellent long-termdurability for bruxers and grinders.
4BRIDGESOpalite™ All-Zirconia Crowns & Bridges
Perfect for Tight, MinimalClearance Situations
A traditional, conservative cast goldpreparation is all that’s required. Best ofall, you can have as little as 0.5 mmocclusal reduction (although 1.0 mm isideal). This is far less than standardPFM or layered Zirconia/Porcelainrestorations. Feather edge margins canbe employed (shoulder preparations arenot required). Opalite crowns andbridges can be designed directly fromyour digital impression files – or fromnormal impressions and models. Useconventional cementation.
Opalite is a far more esthetic alternativewhen compared to metal occlusion orfull-cast crowns. Glazed to a smooth,plaque resistant surface, there is a widerange of shades available for a perfectmatch. Created with latest advancementsin digital technologies, each restorationis CAD/CAM milled for virtually perfectcontacts, fit and easy seating. Digitallyequilibrated occlusion, contacts andbeautifully consistent anatomy virtuallyeliminate the need for chair sideadjustments.
High-Translucency for ExcellentEsthetics
Features and Benefits
Super Strong and Esthetic
• Monolithic all-zirconia crowns & bridges.
• Occlusal reduction as little as 0.5 mm allthat’s required.
• Hard sintered for final 1100 MPa flexuralstrength.
• Virtually unbreakable, even with severebruxers and grinders.
• Use your digital impression files – ornormal impressions and models.
• CAD/CAM milled for virtually perfectcontacts, fit and easy seating.
• Conventional cementation.
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Indications:
• Posterior crowns and bridges.
• Esthetic alternative to metal occlusion andfull-cast metal posterior restorations.
• Severe parafunctional activity. Superstrong answer for bruxers and grinders.
• Ideal for tight/ minimal clearancesituations.
Contraindications:
• Anterior crowns and bridges unless afacial veneer of porcelain is added forbetter esthetics (occlusal will remain in100% Zirconia).
• Veneers.
• Inlays/ Onlays.
Shade Selection:
• For basic shades, use the Vita Lumin, Vita3D Master or Chromascop Shade Guides.
• For bleached shades, use the ChromascopBleached Shade Guide, Vita 3D MasterBleached Shade Guide or Illuminé ShadeGuide.
Laboratory Requirements:
1. Thoroughly detailed prescription denotingwhich teeth are to be crowned, extractedand/ or bridged as well as selected shade.
2. Clear and accurate upper and lower fullarch impressions or study models.
3. Bite registration.
Techniques and Tips:
A. Preparation
a) Opalite restorations require only a simplecast gold type preparation.
b) Can be fabricated on conservative featheredge preparations. Shoulder preparationsare not required. Clear margins are aprerequisite for an accurate restoration.
c) Any preparation with at least 0.5 mm ofocclusal space is acceptable, however1.0 mm preparation is ideal.
d) Margins should be sharp, but all internalfeatures, whether positive or negative,should be rounded as with anyall-ceramic. Avoid sharp angles andundercuts.
e) Maintain an even reduction of anatomicalform.
f) These are minimum requirements.Strength will be increased with moretooth reduction (Note: opacity will beless, translucency will be better).
B. Try-in
• Only “passive” pressure should be neededto fully seat the restoration.
• Never force restorations into place.
• If restorations fail to seat passively in themouth, but fit on the model, please returnto the lab with a new impression.
© Aurum Ceramic Dental Laboratories Co. (2010).Aurum Ceramic Dental Laboratories Co., Aurum Ceramic Dental Laboratories ( Alberta) Ltd., Aurum Ceramic Dental Laboratories ( Sask) Ltd.,
Aurum Ceramic Dental Laboratories ( BC) Inc., Classic Dental Laboratories Ltd., Classic Dental Laboratories ( Toronto) Ltd.Reproduction of this work in whole or in part by any means whatsoever is strictly prohibited without the express written consent of Aurum Ceramic Dental Laboratories Co. All rights reserved.
Prepared in conjunction with Aurum Ceramic/Classic Dental Advisory Board.
Visit us at www.aurumgroup.com
Minimum 1.0 mm
1.5 mm - 2.0 mm buccaland lingual reduction
0.8 mm - 1.5 mmgingival margin reduction
Chamfer margins
Occlusal reduction of at least 1.0 mm from deepest occlusal pit
Angle of 7°or larger
C. Cementation
• Opalite crowns and bridges can becemented with any resin reinforcedglassionomer cement (e.g., RelyX or GCFuji Plus). Use resin cements (e.g.,Multi-Link or Panavia F2.0) for short orover-tapered preparations.NOTE: Cements with higher expansionrates ( e.g., hybrid ionomer cements) mustNOT be used.
• All final seating should be accomplishedwith only “passive” finger force. Neverforce restorations into place.
• Clean tooth surfaces. Tooth surfaceshould not be dehydrated when cement isapplied. Excessive drying concentratesprotein debris and prevents efficientwetting of tooth surface.
• Never use varnishes to protect tooth ifpolyacrylic acid cements are used(prevents chemical bonding to toothstructure).
• Protect margins of cement with varnishafter initial set (5 to 6 minutes). Salivashould not come into direct contact withunset cement.
D. Polishing
• Polish with preferred porcelain polishingsystem.
Adjustment Tips:
• Adjust restorations with a fine gritdiamond, using water and air spray tokeep restoration cool and to avoid micro-fractures.
• If using air only, use the lightest touchpossible when making adjustments.
• A football-shaped bur is the most effectivefor occlusal and lingual surfaces; a taperedbur is the ideal choice for buccal andlingual surfaces.
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• Following try-in, use Ivoclean (from Ivoclar) to clean the bonding surface of all –Zirconia frameworks and monolithic restorations. DO NOT USE phosphoric acid. Dry inside with clean air. Silanate restoration with Monobond (Ivoclar).
