DMLS CAD/CAM PFM

A certified system for additive manufacturing of new generation PFMs, DMLS. The metal frame is fabricated using CAD files by sintering special Co-Cr-Mb-based powder layer by layer. This wonder alloy is extremely biocompatible.

To ensure the purity of materials, DMLS EOS uses CE certified alloy powder directly imported from the manufacturer. It has incredibly thin margins in comparison with conventional PFM. The CAD process detects and eliminates undercut up to 0.2 mm and the CAM process facilitates equal space for ceramic binding and avoids ceramic chip-off. The long span bridges up to 16 units can be fabricated and also the high precision allows easy crown fixing. This is not your run-of-the-mill products, instead it is a role-model product.

  • Incredibly thinner margins when compared with conventional PFM
  • The CAD process detects and eliminates undercut up to 0.2 mm
  • The CAM process facilitates equal space for ceramic binding and avoids ceramic chip-off
  • Long span bridges up to 16 units can be fabricated
  • The fabrication of long span bridges through sintering eliminates rocking
  • The high precision allows easy crown fixing
  • Single crown
  • Fixed Bridges
  • Implant Hybrid Framework (DC Hybrid)

The ideal preparation for PFMs is a chamfer margin preparation. If a porcelain labial margin is prescribed, then a shoulder margin preparation is required.

Feather-edge margin preparations are indicated for full-cast restorations.

  • Panavia 21 – tin plated
  • Glass ionomer cement (GC Fuji, GC America)
  • Zinc Phosphate Polycarboxylate
  • Resin Ionomer cement (RelyX, 3M ESPE)

If an adjustment is required on the ceramic, use a fine diamond with water and air to keep the crown cool.

To contour the ceramic, polish with a pink rubber wheel and diamond polishing paste (Brasseler, Shofu, Vident).

Benifits

  • Incredibly thinner margins when compared with conventional PFM
  • The CAD process detects and eliminates undercut up to 0.2 mm
  • The CAM process facilitates equal space for ceramic binding and avoids ceramic chip-off
  • Long span bridges up to 16 units can be fabricated
  • The fabrication of long span bridges through sintering eliminates rocking
  • The high precision allows easy crown fixing

Indication

  • Single crown
  • Fixed Bridges
  • Implant Hybrid Framework (DC Hybrid)

Preparation

The ideal preparation for PFMs is a chamfer margin preparation. If a porcelain labial margin is prescribed, then a shoulder margin preparation is required.

Feather-edge margin preparations are indicated for full-cast restorations.

Cementation

  • Panavia 21 – tin plated
  • Glass ionomer cement (GC Fuji, GC America)
  • Zinc Phosphate Polycarboxylate
  • Resin Ionomer cement (RelyX, 3M ESPE)

Tech Notes

If an adjustment is required on the ceramic, use a fine diamond with water and air to keep the crown cool.

To contour the ceramic, polish with a pink rubber wheel and diamond polishing paste (Brasseler, Shofu, Vident).

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