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Z-maXX Multi-Layer from JPL is a high-quality full-contour zirconia option. In addition to its high-strength, which is incomparable to alternative all-ceramic materials, this full-contour zirconia offer multi-layered, ultra-translucent esthetics. Due to its multiple layers, this zirconia retains its esthetics even after any last minute adjustments. It also offers smooth shade transitions and natural color progression.
Veneers, inlays, onlays, fully anatomical crowns and bridges (maximum 3 units extending to the molar region).
Long-span bridges and frameworks (4+ units), and anatomically reduced crown and bridge frameworks.
Supragingival preparation allowed. Ceramic-appropriate preparation (i.e. avoid sharp corners, edges, and internal angles. Circumferential shoulder with rounded internal angle. Structure-conserving preparation ideal (required minimum thickness of 0.5mm). Preparation margin should be clearly visible. Prepared tooth height: 3mm minimum.
May be cemented using a resin reinforced glass ionomer such as Relyx Luting cement. When a greater bond is needed do to the lack of a retentive preparation, use 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 N.Y.). This is critical in assuring maximum bond strength.
If adjustments are needed, use zirconia specific diamonds and rubber wheels polishing with diamond paste.
