California RDA Written Practice Exam 2025 – Full Prep Guide

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How do you prepare a crown for placement with permanent cement?

Fill to the brim

Line the interior surface

Lining the interior surface is the correct way to prepare a crown for placement with permanent cement. Filling to the brim or applying cement to the exterior surface would result in excess cement, which can cause irritation to the gums or damage to the surrounding teeth. Soaking the crown in cement is not necessary and can actually weaken the bond between the crown and the tooth. Therefore, lining the interior surface is the most effective and safest way to prepare a crown for placement with permanent cement.

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Apply to the exterior

Soak in cement

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