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Shade Selection techniques
 

Shade Selection techniques

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Shade Selection techniques

Shade Selection techniques

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    Shade Selection techniques Shade Selection techniques Presentation Transcript

    • Shade Selection techniques
      Presented by
      Ahmed Ali Al-Asmari
      Part II
    • VITAPAN 3D-MASTER Shade Guide
    • Vita-3D – Step 1
      Determine the lightness
      level (value)
      Hold shade guide to
      patient’s mouth
      Start with darkest group moving right to left
      Select Value group
      1, 2, 3, 4, or 5
    • Vita-3D – Step 2
      Select the chroma
      From your selected Value group, remove the middle tab (M) and spread the samples out like a fan
      Select one of the three shade samples to determine chroma
    • Vita-3D – Step 3
      Determine the hue
      Check whether the natural tooth is more yellowish or more reddish than the shade sample selected
    • Vita-3D – Step 4
      For more precise shade, intermediate levels for hue, value, and chroma can be given
      2.5M2 = value between 2M2 and 3m2
      3M1.5 = chroma between 3M1 and 3M2
      3M2 / 3L2.5 = hue between 3M2 and 3L2.5
    • Vita-3D – Value Modification
      For more precise shade, intermediate levels for value, chroma, and hue can be given
      2.5M2 = value between 2M2 and 3M2
    • Vita-3D – Chroma Modification
      For more precise shade, intermediate levels for value, chroma and hue can be given
      3M1.5 = chroma between 3M1 and 3M2
    • Vita-3D – Hue Modification
      For more precise shade, intermediate levels for value, chroma and hue can be given
      3M2 / 3L2.5 = hue between 3M2 and 3L2.5
      2.5
    • Extended Range Shade Guides
      Most shade guides do not cover all the colors in the natural dentition
      Some porcelain systems extend the typical range
      Bleached shades
      Dentin shades
      Custom shade guides
    •  
      References
      Contemporary Fixed ProsthodonticsRosenstiel (3rd edition)
      Esthetics in dentistry Ronald E Goldstein
      Thank You