Shade Selection techniques

1. Shade Selection techniques Presented by Ahmed Ali Al-Asmari Part II

2. VITAPAN 3D-MASTER Shade Guide

3. 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

4. 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

5. Vita-3D – Step 3 Determine the hue Check whether the natural tooth is more yellowish or more reddish than the shade sample selected

6. 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

7. 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

8. 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

9. 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

10. 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

11. References Contemporary Fixed ProsthodonticsRosenstiel (3rd edition) Esthetics in dentistry Ronald E Goldstein Thank You