Taper between4° & 8°

Occlusal reduction of at least 2.0 mm in contact area

360° Shoulder preparation of at least 1.0 mm proximal reduction

Coronal Length at least 4.0 mm

Butt joint margin

Rounded internalline angles

Football-shapedfinishing bur

Butt joint margin 1.0 mm reductionat gingival margin

1.0 mm to 1.5 mm facial reduction

1.5 mm lingualcontact clearance

1.5 mm to 2.0 mm incisal reduction

Rounded internalline angles

1.0 mm reductionat gingival margin

1.5 mm to 2.0 mm occlusal reduction

1.5 mm axial reduction

diamond bur is utilized to A flat-ended tapered

establish a butt joint margin

Depth cuts of 0.6 mm to 0.8 mm

Incisal 1.0-1.5 mm

Taper between4° & 8°

Occlusal reduction of at least 2.0 mm in contact area

360° Shoulder preparation of at least 1.0 mm proximal reduction

Coronal Length at least 4.0 mm

Butt joint margin

Rounded internalline angels

Football-shapedfinishing bur

Butt joint margin 1.0 mm reductionat gingival margin

1.0 mm to 1.5 mm facial reduction

1.5 mm lingualcontact clearance

1.5 mm to 2.0 mm incisal reduction

Rounded internalline angels

1.0 mm reductionat gingival margin

1.5 mm to 2.0 mm occlusal reduction

1.5 mm axial reduction

diamond bur is utilized to A flat-ended tapered

establish a butt joint margin

Depth cuts of 0.6 mm to 0.8 mm

Incisal 1.0-1.5 mm

Taper between4° & 8°

Occlusal reduction of at least 2.0 mm in contact area

360° Shoulder preparation of at least 1.0 mm proximal reduction

Coronal Length at least 4.0 mm

Butt joint margin

Rounded internalline angles

Football-shapedfinishing bur

Butt joint margin 1.0 mm reductionat gingival margin

1.0 mm to 1.5 mm facial reduction

1.5 mm lingualcontact clearance

1.5 mm to 2.0 mm incisal reduction

Rounded internalline angles

1.0 mm reductionat gingival margin

1.5 mm to 2.0 mm occlusal reduction

1.5 mm axial reduction

diamond bur is utilized to A flat-ended tapered

establish a butt joint margin

Depth cuts of 0.6 mm to 0.8 mm

Incisal 1.0-1.5 mm

Taper between4° & 8°

Occlusal reduction of at least 2.0 mm in contact area

360° Shoulder preparation of at least 1.0 mm proximal reduction

Coronal Length at least 4.0 mm

Butt joint margin

Rounded internalline angels

Football-shapedfinishing bur

Butt joint margin 1.0 mm reductionat gingival margin

1.0 mm to 1.5 mm facial reduction

1.5 mm lingualcontact clearance

1.5 mm to 2.0 mm incisal reduction

Rounded internalline angels

1.0 mm reductionat gingival margin

1.5 mm to 2.0 mm occlusal reduction

1.5 mm axial reduction

diamond bur is utilized to A flat-ended tapered

establish a butt joint margin

Depth cuts of 0.6 mm to 0.8 mm

Incisal 1.0-1.5 mm

CROWN & BRIDGE | CHAIRSIDE GUIDEA

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CEMENTATION REQUIREMENTSVeneers and IPS Empress® must be adhesively bonded (light cure or dual cure). e.max® Pressed adhesive bonding suggested. All other products on this list may utilize conventional cementations or adhesive bond.

**

Ideal Placement

Name Product Description Posterior Anterior Bridges Inlay / Onlay Veneers Prep Required Strength

CAD/CAM milled monolithic full contour zirconia crown ideal for bruxing patients.

Ideal prep required

360˚ shoulder/chamfer.8mm occlusal 1100 MPA

Highly esthetic solid zirconia is designed to satisfy the esthetic and functional requirements of the anterior region of the mouth. 3 units, with one pontic

.8mm occlusal required1.25mm occlusal is idealStump shade needed

765 MPA

CAD/CAM zirconia substructure with porcelain overlay, translucent. Splinted crowns,

cantilever bridges

Chamfer 1mm axial1.5mm occlusal 1200 MPA

CAD/CAM milled monolithic full contour zirconia crown ideal for bruxing patients.

Ideal prep required

360˚ shoulder/chamfer.8mm occlusal

1100-1200 MPA

Highly esthetic solid zirconia is designed to satisfy the esthetic and functional requirements of the anterior region of the mouth. 3 units, with one pontic

.8mm occlusal required1.25mm occlusal is idealStump shade needed

870 MPA

CAD orPRESSED

Pressed: Pressed lithium disilicate with great fit and esthetics

CAD: CAD milled lithium disilicate available in high or low translucency

Pressed only - 3 units. Available only through

premolarsPressed only

Modified shoulder or deep chamfer, 1.5 occlusal Stump shade needed

500 MPA

Premium monolithic oxide-ceramic material for all indications that combines exceptional esthetics with high strength.

.8 mm anterior, 1 mm posterior, for monolithic deep chamfer is ideal

1200 MPA

Lava™

CAD/CAM zirconia substructure with porcelain overlay, translucent. Splinted crowns,

cantilever bridges

Chamfer 1mm axial1.5mm occlusal 800 MPA

Laminate Veneers Ultra thin porcelain veneers, stacked or pressed.Minimal prep and ideal esthetics, Stump shade needed

70-90 MPA

ANTERIOR CROWN PREPARATIONPREP SPECIFICATIONS POSTERIOR CROWN PREPARATION LAMINATE VENEER PREP

Ideal Placement

Product Description Posterior Anterior Bridges Inlay / Onlay Prep Required

Porcelain to Metal

High Noble/Precious - Contains at least 40% goldand 60% (total) gold, palladium, and platinum.

Noble/Semi-Precious - Contains at least (total) 25%gold, palladium and platinum.

Predominately Base/Non-precious

DR Standard Prep

Full Cast Alloy

High Noble/Precious - Contains at least 40% goldand 60% (total) gold, palladium, and platinum.

Noble/Semi-Precious - Contains at least (total) 25%gold, palladium and platinum.

Predominately Base/Non-precious

DR Standard Prep

United States: 1-800-259-3717Canada: 1-877-374-5227

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CROWN & BRIDGE | CHAIRSIDE GUIDE

Porcelain Fused to Metal Preparation

≥1.2≥1.2

1.5

1.5

1.5

2.0 2.0

≥1.2≥1.2

1.5 1.5

2.0

Stan

dard

PFM

OCCLUSAL REDUCTION 1.5 mm minimum

MARGIN DESIGN Doctor’s choice: knife-edge, chamfer, shoulder, bevel

AXIAL WALL PREPARATION

• Reduction: 1-1.5 mm

• Taper: no more than 22 degrees

• Height: posterior 4 mm; anterior 3 mm

≥1.2≥1.2

1.5

1.5

1.5

2.0 2.0

≥1.2≥1.2

1.5 1.5

2.0

MARGIN DESIGN Doctor’s choice: knife-edge, chamfer, shoulder, bevel

COPING DESIGN Doctor’s choice: metal to the edge, metal collar, and/or porcelain butt