Chairside Restoration Guidelines

Points of Comparison

IPS Empress

IPS E.Max

Lava

Cercon

Ideal Applications

When esthetics is the primary objective.

When esthetics is the primary objective

Primary Indications

Single crowns, veneers, inlays, onlays

Single units & 3 unit bridges when most distal abutment is 2nd bicuspid

Single crowns

Primary Contraindications

Posterior bridges

Posterior bridges

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

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

Restoration Composition

Leucite reinforced core

Lithium disillicate core

System Developer

Ivoclar NA

Ivoclar NA

DENTSPLY International

Planned Future Developments



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