Now available in a second edition, Basics of Dental Technology is a complete reference for the current techniques and materials used in dental technology. _ Retains the accessible, task-based approach and step-by-step guidance of the first edition _ Features updates throughout, as well as a new chapter on digital dental technology and an interactive student website to support self-assessment _ Explains key competencies, concepts, instruments, and equipment, and also introduces more specialist techniques and procedures, such as denture prosthetics, fixed prosthodontics, orthodontic work, and…mehr
Now available in a second edition, Basics of Dental Technology is a complete reference for the current techniques and materials used in dental technology. _ Retains the accessible, task-based approach and step-by-step guidance of the first edition _ Features updates throughout, as well as a new chapter on digital dental technology and an interactive student website to support self-assessment _ Explains key competencies, concepts, instruments, and equipment, and also introduces more specialist techniques and procedures, such as denture prosthetics, fixed prosthodontics, orthodontic work, and maxillofacial technology _ Provides essential information for trainee dental technicians and students learning about dental technology, including study tips and strategies for working effectively within a dental team
Dr Tony Johnson is Senior Lecturer in the Academic Unit of Restorative Dentistry and Head of the Dental Technology Unit at the School of Clinical Dentistry at the University of Sheffield, UK. Dr David G. Patrick is a University Teacher in the Dental Technology Unit, Academic Unit of Restorative Dentistry at the School of Clinical Dentistry at the University of Sheffield, UK. Dr Christopher W. Stokes is Senior University Teacher in the Academic Unit of Restorative Dentistry at the School of Clinical Dentistry at the University of Sheffield, UK. Mr David G. Wildgoose until his retirement in 2009 was a Dental Instructor in the Dental Technology Unit, Academic Unit of Restorative Dentistry at the School of Clinical Dentistry at the University Sheffield, UK. Dr Duncan J. Wood is a Senior University Teacher in the Dental Technology Unit, Academic Unit of Restorative Dentistry at the School of Clinical Dentistry at the University of Sheffield, UK.
Inhaltsangabe
About the Companion Website ix
Chapter 1 INTRODUCTION 1
1.1 Introduction 1
1.2 How to use this book 1
1.3 Equipment and instruments 1
1.4 Health and safety in the dental laboratory 5
1.5 Sterilisation and impression handling 6
1.6 Introduction to model making 8
1.7 Models for prosthodontics - casting primary impressions 9
1.8 Models for prosthodontics - boxing-in impressions 12
1.9 Models for prosthodontics - casting working (secondary) impressions 13
1.10 Models for prosthodontics - models for cobalt-chromium frameworks 13
1.11 Orthodontic study models 14
1.12 Introduction to sectional models 16
1.13 Producing a sectional model using a tray system (Figure 1.13.1) 17
1.14 Producing a sectional model using a pinned system 19
1.15 Sectioning the model 20
1.16 Introduction to articulating models 22
1.17 Articulating models on a simple hinge articulator 22
1.18 Articulating dentate models using the average position 23
1.19 Articulating edentulous models using the average position 25
1.20 Articulating models using a facebow 26
Chapter 2 Complete Prosthetics 31
2.1 Introduction to complete prosthetics 31
2.2 Construction of a close-fitting custom impression tray 32
2.3 Construction of a tray with spacer for edentulous cases 34
2.4 Construction of a tray for dentate or partially dentate cases 35
2.5 Construction of a windowed close-fitting tray 37
2.6 Construction of occlusal registration rims 38
2.7 Setting up denture teeth 42
2.8 Denture processing 47
2.9 Grinding and finishing the dentures 53
2.10 Denture repair 57
2.11 Relining a denture in the laboratory 60
2.12 Copy dentures 62
Chapter 3 Partia l Prosthetics 65
3.1 Introduction to partial prosthetics 65
3.2 Classification 65
3.3 Component parts of partial dentures 66
3.4 Surveying 68
3.5 Designing partial dentures 71
3.6 Partial denture construction - acrylic resin 75
3.7 Partial denture construction - cobalt-chromium 77
Chapter 4 FIXED PROSTHODONTICS 85
4.1 Restoration design 85
4.2 Metal restorations 86
4.3 Ditching the die 88
4.4 Producing a wax pattern 88
4.5 Investing the wax pattern 90
4.6 Casting and de-vesting the pattern 92
4.7 Finishing the casting 94
4.8 Metal-ceramic restorations 98
4.9 Producing a wax pattern for a metal bonded to ceramic framework 99
4.10 Investing the wax pattern 102
4.11 Casting the pattern 102
4.12 De-vesting and surface preparation 104
4.13 Ceramic application and build-up 105
4.14 Ceramic restorations 112
4.15 Producing a high-strength ceramic substructure 114
4.16 Veneering a high-strength ceramic substructure 115
4.17 Producing a resin-bonded crown on a refractory die 115
4.18 Post crowns 117
4.19 Bridges 118
4.20 Producing a cast metal fixed-fixed restoration 121
4.21 Producing a soldered metal fixed-fixed restoration 122
4.22 Soldering 123
4.23 Minimal preparation bridges 125
4.24 Producing a minimal preparation bridge (Maryland technique) 126
4.25 Digital dentistry 128
4.26 Using a laboratory-based CAD-CAM system 131
4.27 Producing a posterior single-unit substructure or restoration using a reduction technique 132
