Anterior crown, Posterior crown, Veneer, Onlay, Inlay
It is crucial to keep a minimum wall thickness* for a successful restoration, and keep in mind:
*Not including the thickness of build-up porcelainMimimum Wall Thickness of Zirconia
- Anteritor crown
- Posterior crown
- Veneer*
- Onlay
- Inlay
- The thickness specifications apply to full zirconia restorations. The thickness of build-up porcelain is not included.
- The minimum wall thicknesses apply to full zirconia restoration or to frame-work for build-up porcelain restoration. In these cases, 0.4 mm (anterior) or 0.5 mm (posterior) should be kept for the area located in the bottom (lower) half of the disc.
- If full zirconia veneer restoration is used for combination with the porcelain, 0.8 mm or more should be kept for the area located in the upper half of the disc.
- Anteritor crown
- Posterior crown
- Veneer*
- Onlay
- Inlay
*Keep 0.8mm in case of porcelain build-up. You can reduce to 0.4mm when finishing with glaze and polish.
- Anteritor crown
- Posterior crown
- Veneer
- Onlay
- Inlay
*HT and LT are mono-colored zirconia, suitable for frameswork.
Contraindications
- “J” Margin
-
Deep
Shoulder - Knife Edge
- Undercuts
-
Rough
Margin - Groove
-
Parallel
Axis -
Sharp
Incisal Top -
Height
Difference
(Anterior)