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What are the types of finish lines (margins)?

Learn about different types of finish lines (margins) used in dental restorations.

Written by Ray Alde
Updated over a year ago

Types of Finish Lines (Margins)

  1. Feather-Edge

    1. A minimal, delicate finish line that merges seamlessly with the tooth structure.

  2. Knife-Edge

    1. A sharp, defined finish line resembling the edge of a knife.

  3. Chamfer

    1. A beveled finish line with a rounded edge for improved adaptation and strength.

  4. Bevel

    1. An angled or sloped finish line that enhances retention and reduces stress concentration.

  5. Shoulder

    1. A distinct, flat margin providing a clear delineation between the restoration and tooth.

  6. Beveled Shoulder

    1. A combination of bevel and shoulder features, offering both retention and aesthetics.

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Types-of-finish-lines-margins.pdf
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