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Points of Comparison
|
IPS Empress
|
IPS Eris
|
Vita In-Ceram
|
Procera AllCeram
|
Cercon
|
|
Ideal Applications
|
When esthetics is the primary objective |
When esthetics is the primary objective |
|
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Primary Indications
|
Single crowns, veneers, inlays, onlays |
Single units & 3 unit bridges when most distal
abutment is 2nd bicuspid |
Single crowns |
Single crowns |
|
|
Primary Contraindications
|
Posterior bridges |
Posterior bridges |
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Preparation Requirements
|
*Shoulder margin design
*1.0mm minimum at the margin
*1.5-2.0mm reduction at incisal, facial lingual |
*Shoulder margin design
*1.0mm minimum at the margin
*1.5-2.0mm reduction at incisal, facial lingual |
Shoulder |
|
|
|
Cementation Guidelines
|
Adhesive bonding with dual cure bonding agent |
Adhesive bonding with dual cure bonding agent |
Bonding; luting composite |
Bonding; luting composite |
|
|
Flexural Strength
|
700 MPa after bonding |
350-400 MPa prior to seating |
|
|
|
|
Wear Characteristics
|
Comparable to natural enamel |
Comparable to natural enamel |
|
|
|
|
Years of Clinical Success
|
16 |
5 |
|
5 |
|
|
Restoration Composition
|
Leucite reinforced core |
Lithium disillicate core |
|
|
|
|
System Developer
|
Ivoclar NA |
Ivoclar NA |
|
Nobel Biocare |
DENTSPLY International |
|
Planned Future Developments
|
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