Antelope Valley Dental Ceramics
Case Design and Preparation


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IPS Empress Preparation Requirements

Veneer Design

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Veneer thickness approx. 0.6 mm. Provide a chamfer at the gingival margin. Eliminate stress area of incisal edge by rounding tip.

Anterior and Posterior Crowns

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In the preparation of Anterior and Posterior teeth even reduction of the anatomic form must occur. Provide enough room for adequate strength. Avoid sharp internal edges and angles. Avoid undercuts. Maintain shoulder preparation with butt joint margins.

Onlays

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An Onlay Preparation is indicated when the preparation margin is less than 0.5 mm away from the cusp tip or when the enamel is severely undermined. Cusp reduction of 2.0 mm is recommended.

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Inlays

Fissure depth at isthmus should be 1.5 mm. Width of the isthmus should be 1.5 mm.

For more information on Ivoclar products and/or for technical support click on the link below or call Ivoclarvivadent directly at 800 533 6825.

Ivoclarvivadent

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