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DirectCrown LT Indirect Restorative Technique. Objective. This presentation is designed to educate dental professionals on a new, chair-side, single appointment, indirect restorative procedure using materials from DirectCrown. DirectCrown LT Indications. Restorations Posterior Crown
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Objective This presentation is designed to educate dental professionals on a new, chair-side, single appointment, indirect restorative procedure using materials from DirectCrown.
DirectCrown LT Indications • Restorations • Posterior Crown • Anterior Crown • Inlays/Onlays • Single Appointment Cases • Cost Conscious Consumers • Long-Term Provisional
Materials Needed • LT Crown Kit (Crowns) • Impression Materials & Tray • Die Silicone & Separator • Model Base Material • Model Articulator • Composite Resin • Composite Activator
Indirect Chair-side Technique Overview Post-Clinical Preparation Steps • Impression • Model Fabrication • LT Crown Selection & Adaptation • Crown Fabrication • Final Occlusion and Cementation
Clinical View Pre operative occlusal view of tooth #31 after root canal and a build up
Impression Taking (Alginate,Tray and Detailer) Clinical Impression of opposing dentition is captured on bottom side of impression tray.
Impression Detail Preparation Detail
Model Fabrication Create Silicone Die Model Express Silicone Die Material into cavity avoiding the creation of air pockets
1. Apply to articulator tray. 2. Apply fast setting base vinyl siloxane to impression tray. 3. Close articulator and allow to set firmly. Fabricate Articulating Model
Articulated Model Tooth # 31
DirectCrown LTSelection Select the appropriate shade and crown shape for case.
AdaptationIndirect Try-In on Model Adjustments can be made as necessary by trimming the LT Crown form. Overextended margin needs adjustment
Prime and Line Use a composite activator solution to condition the LT to accept the liner composite. Fill or line the LT shell with dentin composite avoiding formation of air pockets.
Try In on Model, Adjust, Align Use of a water soluble release agent will prevent adherence to model.
Margin Lining & Contouring The model may be sectioned with a knife make contouring easier. The die can be removed from the tray and finished after initial curing of composite.
Polymerization Cure all surfaces. An LED curing light works best for this application.
Final Curing Remove the LT Crown and cure the inside surfaces and margins to ensure polymerization of resin
Sectioned Die & Inspection Superior fitting margins
Try In Occlusal contact requires modification
Final Restoration After final adjustment the crown is cemented in place
DirectCrown LT Indirect Technique • One-Visit Chair-side Crown Restoration • 35-45 Minute Procedure • Versatile…. Posterior & Anterior Restorations • Patient Affordable • High Patient Satisfaction • Predictable…. Strong, Durable, Micro-Hybrid Composite • Profitable Call DirectCrown at 888-910-4490 with any questions.
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