DirectCrown LT Indirect Restorative Technique

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DirectCrown LTIndirect Restorative Technique
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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.

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DirectCrown LT Indications

• Restorations
• Posterior Crown
• Anterior Crown
• Inlays/Onlays
• Single Appointment Cases
• Cost Conscious Consumers
• Long-Term Provisional

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Materials Needed

• LT Crown Kit (Crowns)
• Impression Materials Tray
• Die Silicone Separator
• Model Base Material
• Model Articulator
• Composite Resin
• Composite Activator

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Indirect Chair-side Technique Overview

• Post-Clinical Preparation Steps
• Impression
• Model Fabrication
• LT Crown Selection Adaptation
• Crown Fabrication
• Final Occlusion and Cementation

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Clinical View
Pre operative occlusal view of tooth 31 after
root canal and a build up
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Impression Taking (Alginate,Tray and Detailer)
Clinical Impression of opposing dentition is
captured on bottom side of impression tray.
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Impression Detail
Preparation Detail
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Model Fabrication Create Silicone Die Model
Express Silicone Die Material into cavity
avoiding the creation of air pockets
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Application of Fast Setting Resin
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Silicone Model Creation
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Expression of Die Silicone into Opposing
Dentition
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Fabricate Articulating Model
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Articulated Model
Tooth 31
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Occlusal View
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DirectCrown LTSelection
Select the appropriate shade and crown shape for
case.
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AdaptationIndirect Try-In on Model
Adjustments can be made as necessary by trimming
the LT Crown form.
Overextended margin needs adjustment
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Alignment on Model After Trimming
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Adaptation
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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.
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Try In on Model, Adjust, Align
Use of a water soluble release agent will prevent
adherence to model.
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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.
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Polymerization
Cure all surfaces. An LED curing light works
best for this application.
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Final Curing
Remove the LT Crown and cure the inside surfaces
and margins to ensure polymerization of resin
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Margin Trimming
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Margin Trimming
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Final Margin Adaptation
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Sectioned Die Inspection
Superior fitting margins
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Restoration Ready for Cementation or Bonding
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Try In
Occlusal contact requires modification
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Final Restoration
After final adjustment the crown is cemented in
place
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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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DirectCrown LTIndirect Restorative Technique

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