e.Max Preparation Guide: 3 Unit Bridge Restorations
Posted on 09/13/2011
e.Max is a terrific all ceramic option for 3 unit bridges from the bicupsid forward. Unlike PFMs, e.Max will not develop a gray margin and offers natural tooth like translucency.
Here is a guide to tooth preparation for a 3 unit anterior bridge based on Ivoclar's prep guide:
http://www.ivoclarvivadent.us/empress/documents/all_ceramic_prep_guide.pdf
- 1.5mm Occlusal Reduction
- 1.2mm Axial Reduction
- Rounded internal line angles
- Shoulder Margin
- 1.0mm reduction at the gingival margin
Here is a guide to tooth preparation for a 3 unit anterior bridge based on Ivoclar's prep guide:
http://www.ivoclarvivadent.us/empress/documents/all_ceramic_prep_guide.pdf
- 1.5mm Occlusal Reduction
- 1.2mm Axial Reduction
- Rounded internal line angles
- Shoulder Margin
- 1.0mm reduction at the gingival margin
