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Ubassy: Shape and Color
Ubassy, Gérald

Shape and Color
The Key to Successful Ceramic Restorations

1. Auflage 1993
Buch
Hardcover, 216 Seiten, 463 Abbildungen (farbig)
Sprache: Englisch
Fachgebiet: Prothetik

Artikelnr.: 26311
ISBN 978-0-86715-207-4
Quintessence Publishing, Deutschland

 112.00 € 
Menge:
The study of shapes and how they interact with color is the focus of this book. The book stresses the need for interpersonal contact between the dentist and dental technician and emphasizes the importance of observation of natural teeth to achieve esthetic, long-lasting restorations. It also covers how to polish ceramic, reate fissures, fabricate working casts in the laboratory, and more.

Contents

Preface 7
Acknowledgements 11
Foreword 13
1 Basic Terms of the Phenomenon of Color 17
- Absorption and Reflection 18
- Light, Color, and Pigments in Dental Porcelain 18
- Additive and Subtractive Syntheses 20
- The Language of Color 20
- Simple and Complex Grays 23
2 Relation of Personality, Facial Esthetics, and Dentolabial Esthetics 25
3 Colored Wax 31
- Educational Advantages 32
- Psychological Advantages for Better Communication 33
4 Color Selection 41
- Breaking Down into Coats 42
5 The Three-Dimensional Shade Guide and Changing Luminosity of Colors 49
6 Instruments 51
7 Basic (Opaque) Porcelains 57
8 The Ceramic Shoulder 61
- Prerequisites for a Ceramic Shoulder 61
- Preparing the Die 61
- First Shoulder Porcelain Bake 63
9 Artificial Gingiva 67
- Fabrication of a Removable Artificial Gingiva 69
10 Processing and Natural Layering of Metal Ceramic 73
- Table of Firing Temperatures 88
11 Tricks to Make Porcelain Layering Easier 91
- Fabrication of a Multi-Span Fixed Partial Denture 91
- Fabrication of Anterior Fixed Partial Dentures 91
- Layering and Firing of the "Dentin" Core 91
- Density of Porcelain During Layering Procedure 94
- Another Trick: Grinding the Incisal Guidance 94
12 Lateral Segmentation and Enamel Cracks 97
- Lateral Segmentation for Teeth of Older Patients 98
- Segments of Different Opacity 98
- Restoration and Segmentation for Teeth of Younger Patients 98
- Segmentation of Posterior Teeth 98
- Modeling Criteria for Porcelain of Superior Optic Quality 99
- Enamel Cracks 99
13 Transparency and Translucency 115
14 Original Colors in Dental Ceramics 115
15 Porcelain Inlays and Onlays 119
- General Criteria for Preparation of Ceramic Inlays and Onlays 119
- Preparing the Working Cast 121
- Thermal Processing of the Investment 122
- Modeling of a Medium-Sized Inlay 123
- Modeling of Smaller Inlays 128
- Modeling of Large Onlays 128
- Removal of the Investment 131
- Natural-Appearing Fissures 135
16 Leucite-Reinforced Ceramic 141
- IPS Empress: A New Technology in Dental Ceramics (contributed by Gerhard Beham) 141
- The Material 143
- Working Procedures 150
- Pressing Technique 152
- The IPS Die Material in Dentin Colors 145
17 Post and Core in Ceramics 179
- Fabrication of a Porcelain Post and Core 180
18 Facial Veneers 185
- The Empress Method for Porcelain Facial Veneers 188
19 Analysis of the Surface Structure - Polishing 197
- Observation and Application of Information 197
References 213
Index 215