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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

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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