Prismatik Clinical Zirconia™

Prismatik Clinical Zirconia™ crowns and bridges provide the esthetics of an all-ceramic with the strength of a PFM. A natural-looking restoration that exhibits impressive strength for an affordable price, Prismatik CZ has no metal to show through the ceramic and no unsightly black lines at the gingival margin. In addition, laboratory tests have shown the fracture toughness and flexural strength of zirconia are significantly higher than that of alumina or any other all-ceramic. Prismatik Clinical Zirconia crowns and bridges are cemented conventionally with resin ionomers and demonstrate outstanding biocompatibility in the mouth.

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Prep Requirements: Impression, Bite Registration Guidelines

Anterior full-coverage crowns require a chamfer with 1.5 mm facial reduction, 1.5 mm lingual contact clearance, 1.5 mm incisal reduction 1.25 mm reduction at the gingival margin with rounded internal line angles; or a shoulder with 1.0 mm lingual reduction, 2.0 mm incisal reduction, 1.5 mm labial reduction, 1.0 mm 360 degree rounded shoulder.
Posterior full-coverage crowns require a chamfer margin with 2.0 mm occlusal reduction, 1.5 mm buccal and lingual reduction with rounded internal line angles; or a shoulder with 2.0 mm occlusal reduction, 1.5 mm buccal and lingual reduction and 1.25 mm gingival margin reduction with rounded internal line angles.
Chamfer Margins – Correct preparation of the chamfer margins interproximally allows the appropriate bulk of porcelain.

Recommended Cementation

  • Resin Ionomer cement (RelyX™ or RelyX Unicem, 3M ESPE)
  • Maxcem Elite™ (Kerr)
  • Panavia® F 2.0 (Kuraray) – ideal for short, tapered preparations
  • Glass ionomer cement (GC Fuji, GC America)