Digital Planning and Custom Orthodontic Treatment (eBook)

Digital Planning and Custom Orthodontic Treatment 3
Contents 7
List of Contributors 9
Preface 13
Acknowledgments 17
1 Documentation of the Dentition 19
Introduction 19
Digital workflow using intraoral scanners 21
Accuracy of digital dental models 23
Conclusion 24
References 25
2 Documentation of the Face 27
Introduction 27
Imaging of the skull in 3D 27
Discussion 31
References 32
3 Dynamic Motion Capture of the Mandible 33
Introduction 33
JMT system 34
CBCT 34
Preparation of the jaw tracking system 34
Tracking system 34
Data fusion 35
Segmentation of the mandible 35
Recording of mandibular movement by SiCAT JMT+ 36
Merge of CBCT and JMT data in SiCAT suite 37
Discussion 37
Traditional recording of the condylar movements 37
Future directions 38
Conclusion 38
References 44
4 Analysis of Digital Dental Documentation 45
Introduction 45
References 48
5 Orthodontic Treatment Planning 49
Introduction 49
The setup 49
Example of digital planning for a custom buccal brace (Insignia) system 53
Showing the setup to the patient, the dentist, and the maxillofacial surgeon 56
References 57
6 Custom Appliance Design 59
Introduction 59
Custom design of orthodontic appliances 59
Custom design of aligners 60
Virtual bracket placement of standard brackets 61
Fully customized orthodontic appliance systems 62
Custom design of orthodontic retention appliances 63
Conclusion 63
References 64
7 Custom Appliance Fabrication and Transfer 65
Introduction 65
Aligner fabrication 65
Custom orthodontic brackets andtubes 66
Custom wire fabrication 67
Fabrication of orthodontic transfer appliances 67
Transfer of custom fixed appliances to the dentition 68
The bonding procedure 68
Rebonding brackets and tubes 70
References 70
8 Monitoring of Tooth Movement 73
Introduction 73
Workflow for the dental monitoring system 74
Procedure for taking pictures 78
Dental monitoring alerts 79
Discussion 80
Conclusion 81
References 81
9 Custom Retention after Orthodontic Treatment 83
Introduction 83
Removable retainers 83
CADCAM retention wires 84
Fabrication of the retainer wire 85
Advantages of these CADCAM retainers 86
References 86
10 The Invisalign System 87
Introduction 87
Predictable performance of aligners 87
Gingival response 87
Periodontal and dental health status 88
Influence of adjacent teeth 88
Unwanted tipping of teeth in extraction cases 89
Extrusion of maxillary laterals 94
References 97
11 Custom Lingual Appliances 99
Part 1: The History of Incognito 99
Neil Warshawsky 99
Part 2: eBrace and eLock Lingual Appliances 118
Thomas W. Örtendahl and K. Hero Breuning 118
Further reading for Parts 1 and 2 126
Part 3: Harmony Appliance Systems 127
Chung H. Kau and K. Hero Breuning 127
Traditional appliances 127
Description of the Harmony appliance 127
Digital laboratory workflow 127
Robotically formed arch wires 128
Interactive self-ligating brackets 129
Customized bonding pads 129
Anterior positioning jigs 129
Digitally assisted treatment 130
Discussions 130
Conclusion 131
References 131
Appendix 133
Index 135
EULA 137