Shade Selection techniques
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The document discusses shade selection techniques using the Vita 3D-Master shade guide. It outlines a 4 step process: 1) determine the lightness level (value) by comparing to reference shades, 2) select the chroma (saturation) from the value group, 3) determine the hue (yellowness or redness) compared to the selected shade, and 4) optionally specify intermediate shades with modifiers. It notes some shade guides have an extended range for bleached or dentin shades and can be customized.
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Shade Selection techniques
- 1. Shade Selection techniques Presented byAhmed Ali Al-AsmariPart II
- 2. VITAPAN 3D-MASTER Shade Guide
- 3. Vita-3D – Step 1Determine the lightness level (value)Hold shade guide to patient’s mouth Start with darkest group moving right to leftSelect Value group 1, 2, 3, 4, or 5
- 4. Vita-3D – Step 2Select the chromaFrom your selected Value group, remove the middle tab (M) and spread the samples out like a fanSelect one of the three shade samples to determine chroma
- 5. Vita-3D – Step 3Determine the hueCheck whether the natural tooth is more yellowish or more reddish than the shade sample selected
- 6. Vita-3D – Step 4For more precise shade, intermediate levels for hue, value, and chroma can be given2.5M2 = value between 2M2 and 3m23M1.5 = chroma between 3M1 and 3M23M2 / 3L2.5 = hue between 3M2 and 3L2.5
- 7. Vita-3D – Value ModificationFor more precise shade, intermediate levels for value, chroma, and hue can be given2.5M2 = value between 2M2 and 3M2
- 8. Vita-3D – Chroma ModificationFor more precise shade, intermediate levels for value, chroma and hue can be given3M1.5 = chroma between 3M1 and 3M2
- 9. Vita-3D – Hue ModificationFor more precise shade, intermediate levels for value, chroma and hue can be given3M2 / 3L2.5 = hue between 3M2 and 3L2.52.5
- 10. Extended Range Shade GuidesMost shade guides do not cover all the colors in the natural dentitionSome porcelain systems extend the typical rangeBleached shadesDentin shadesCustom shade guides
- 11. References Contemporary Fixed ProsthodonticsRosenstiel (3rd edition) Esthetics in dentistry Ronald E Goldstein Thank You