Orthodontic Appliance Wiki

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Margin (restoration)

Category: Procedure | Difficulty: Intermediate | Priority: Core | Subcategory: Restorative Concept

Clinical Definition

The junction between the edge of a dental restoration or crown and the prepared tooth structure; also called the finish line.

Patient-Friendly

The edge where a crown or filling meets your tooth.

Related Terms

[[finish line; cervical region; seating; die trimming]]

Notes

Margin integrity is a critical factor in restoration longevity; open or deficient margins allow microleakage.

Audience

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