SHADE SELECTION TECHNIQUES

Presented byAhmed 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

THANK YOU

 References Contemporary Fixed Prosthodontics Rosenstiel (3rd edition)

Esthetics in dentistry Ronald E Goldstein