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Full-Contour Zirconia

Our technicians fabricate monolithic zirconia restorations that provide exceptional durability for posterior restorations. Our premium full-contour zirconia crowns and bridges are designed by trained dental technicians. We offer proper fit and contour using premium zirconia from well-known and respected manufacturers and the latest CAD/CAM technology. This restoration is an ideal solution for bruxers.

Full-Contour Zirconia thumbnail

Features:

  • Less intrusive cosmetic solution
  • Strongest all ceramic restoration
  • Most economical restoration

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Indications

Full-contour zirconia is so versatile, it can be used in almost any situation from singles, bridges with any combination of abutments and pontics, inlay bridges and screw-retained implants. Also an esthetic alternative to a PFM with metal occlusion due to limited space.

Contraindications

When esthetic expectations are high and it is important that the restorations match surrounding natural dentition or other existing restorations. If bonding is necessary to retain the restoration, bond strength is weaker and less predictable than other ceramics.

Preparation

Shoulder preparation not needed. A mild chamfer or a feather-edge margin is good. 1.0mm buccal and lingual reduction is ideal, but can go to 0.5mm in some areas when reduction is limited. Minimum occlusal reduction of 0.5mm; 1.5mm is ideal. Adjustments and polishing: Adjust full-contour zirconia crowns and bridges using water and air spray to keep the restoration cool and to avoid microfractures with a fine grit diamond. If using air only, use the lightest touch possible when making adjustments. A football-shaped bur is the most effective for occlusal and lingual surfaces (on anterior teeth); a tapered bur is the ideal choice for buccal and lingual surfaces. Polish full-contour zirconia restorations with the porcelain polishing system of your choice.

Cementation

It is recommended that full-contour zirconia be cemented using a zirconia primer like Z-Prime from Bisco or Clearfil Ceramic Primer from Kuraray. Alternatively, a resin reinforced glass ionomer such as RelyX Luting cement can also be used. When a greater bond is needed due to the lack of a retentive preparation, use a resin cement like RelyX Unicam or RelyX Ultimate. Before cementing all full-contour zirconia crowns, the interior surface of the crown needs to be cleaned with Ivoclean (Ivoclar Vivadent - Amherst, NY). This is critical in assuring maximum bond strength.

Tech Notes

Solid zirconia requires a cast gold type preparation. If adjustments are needed, use zirconia specific diamonds and rubber wheels polishing with diamond paste.

Codes

  • D2740 Crown – Porcelain/Ceramic Substrate
  • D6245 Pontic Porcelain/Ceramic
  • D6740 Abutment Crown Porcelain/Ceramic