IPS e.max is an advanced pressed ceramic with even greater strength than the original Empress product. This next generaon ceramic is formulated from lithium disilicate crystals, and can be used to create limited bridgework with moderate to heavy connectors. It is monolithic lithium disilicate porcelain that can be pressed or milled as full contour restoraon, or cut back and layered with porcelain.
Features
- Extremely esthec with beauful translucence
- 3 Times stronger than Empress
- 3 mes stronger than Empress
- Lithium Disilicate glass crystals
- Can build on enamel porcelain
- Metal free
Benefits
- Natural variations of color and translucency
- Superb esthetics
- Can be used anywhere in the mouth for single unit crown
- Hypoallergenic
Recommendations
- Ideal for veneers, thin (no prep) veneers, anterior and posterior crowns, Inlays/onlays, 3 unit anterior bridges and 3 unit posterior bridges up to the second premolar as an abutment tooth
Non-Recommendations
- Bridge spans exceeding 3 units
- Bridges beyond the second premolar au an abutment tooth
- Not suitable for bruxers or paents with other occlusal dysfuncon
Prep
- For anterior crown: Reducon of 1.5-2.0mm at the Incisal, 1.5mm lingual, 1.5-1.0mm facial, and 1.0mm-1.5mm at the cervical of the prep with a deep chamfer or shoulder finish
- For veneers: 1.0-1.5mm facial reducons thin veneers may require some reducon depending on the bulkiness or orientaon of the tooth
- For inlays and onlays: A shoulder margin with 1.5-2.0mm isthmus width is required. 1.5mm isthmus depth, and a 1.0-1.5mm isthmus floor
Cementation
- Cementation using standard cementaon materials and technique or chemically bonded
- For veneers and inlays, bonding is required and is also recommended for crowns and bridges to achieve maximum strength