Case studies 125 6.12 Removal <strong>of</strong> bone at the back <strong>of</strong> the orbit due to inappropriate choice <strong>of</strong> image threshold. transfer and image processing procedures are in place; and that the model building material is fi t for the purpose for which it was intended. A multidisciplinary team approach to the manufacture <strong>of</strong> medical models with rigorous quality assurance is highly recommended. 6.2.7 References 1. Anderl H, Zur Nedden D, Muhlbauer W, Twerdy K, Zanon E, Wicke K, Knapp R (1994), ‘CT-guided stereolithography as a new tool in crani<strong>of</strong>acial surgery’, British Journal <strong>of</strong> Plastic Surgery, 47 (1), 60–64. 2. Arvier J F, Barker T M, Yau Y Y, D’Urso P S, Atkinson R L, McDermant G R (1994), ‘Maxill<strong>of</strong>acial biomodelling’, British Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Surgery, 32, 276–283. 3. D’Urso P S, Barker T M, Earwaker W J, Bruce L J, Atkinson R L, Lanigan M W, Arvier J F, Effeney D J (1999), ‘Stereolithographic biomodelling in cranio-maxill<strong>of</strong>acial surgery: a prospective trial’, Journal <strong>of</strong> Craniomaxill<strong>of</strong>acial Surgery, 27 (1), 30–37.
126 <strong>Medical</strong> modelling 4. Eufi nger H, Wehmoller M (1998), ‘Individual prefabricated titanium implants in reconstructive crani<strong>of</strong>acial surgery: clinical and technical aspects <strong>of</strong> the fi rst 22 cases’, Plastic Reconstructive Surgery, 102 (2), 300–308. 5. Gateno J, Allen M E, Teichgraeber J F, Messersmith M L (2000), ‘An in vitro study <strong>of</strong> the accuracy <strong>of</strong> a new protocol for planning distraction osteogenesis <strong>of</strong> the mandible’, Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Surgery, 58 (9), 985– 90. 6. Sailer H F, Haers P E, Zollik<strong>of</strong>er C P, Warnke T, Carls F R, Stucki P (1998), ‘<strong>The</strong> value <strong>of</strong> stereolithographic models for preoperative diagnosis <strong>of</strong> crani<strong>of</strong>acial deformities and planning <strong>of</strong> surgical corrections’, International Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Surgery, 27 (5), 327–33. 7. Hughes C W, Page K, <strong>Bibb</strong> R, Taylor J, Revington P (2003), ‘<strong>The</strong> custom made orbital fl oor prosthesis in reconstruction for orbital fl oor fractures’, British Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Surgery, 41, 50–53. 8. Heckmann S M, Winder W, Meyer M, Weber H P, Wichmann M G (2001), ‘Overdenture attachment selection and the loading <strong>of</strong> implant and denture bearing area. Part 1: in vitro verifi cation <strong>of</strong> stereolithographic model’, Clinical Oral Implants Research, 12 (6), 617–23. 9. Winder R J, Cooke R S, Gray J, Fannin T, Fegan T (1999), ‘<strong>Medical</strong> rapid prototyping and 3D CT in the manufacture <strong>of</strong> custom made cranial titanium plates’, Journal <strong>of</strong> <strong>Medical</strong> Engineering Technology, 23 (1), 26–8. 10. Heissler E, Fischer F, Bolouri S, Lehmann T, Mathar W, Gebhardt A, Lanksch W, Bier J (1998), ‘Aesthetic and reconstructive surgery – custom-made cast titanium implants produced with CAD/CAM for the reconstruction <strong>of</strong> cranium defects’, International Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Surgery, 27 (5), 334–38. 11. Minns R J, <strong>Bibb</strong> R, Banks R, Sutton R A (2003), ‘<strong>The</strong> use <strong>of</strong> a reconstructed three-dimensional solid model from CT to aid surgical management <strong>of</strong> a total knee arthroplasty: a case study’, <strong>Medical</strong> Engineering and Physics, 25, 523–6. 12. Munjal S, Leopold S S, Kornreich D, Shott S, Finn F A (2000), ‘CT generated 3D models for complex acetabluar reconstruction’, Journal <strong>of</strong> Arthroplasty, 15 (5), 644–53. 13. Nakajima T (1995), ‘Integrated life-sized solid model <strong>of</strong> bone and s<strong>of</strong>t tissue: application for cleft lip and palate infants’, Plastic Reconstructive Surgery, 96 (5), 1020–25. 14. Schwaderer E, Bode A, Budach W, Claussen C D, Danmmann F, Kaus T, Plinkert P K (2000), ‘S<strong>of</strong>t-tissue stereolithography model as an aid to brachytherapy’, Medica Mundi, 44 (1), 48–51. 15. Mankovich N J, Cheeseman A M, Stoker N G (1990), ‘<strong>The</strong> display <strong>of</strong> threedimensional anatomy with stereolithographic models’, Journal <strong>of</strong> Digital Imaging, 3 (3), 200–203. 16. Erben C, Vitt K D, Wulf J (2000), ‘First statistical analysis <strong>of</strong> data collected in the Phidias validation study <strong>of</strong> stereolithography models’, Phidias Newsletter, 5, 6–7. 17. Sarment D P, Sukovic P, Clinthorne N (2003), ‘Accuracy <strong>of</strong> implant placement with a stereolithographic surgical guide’, International Journal <strong>of</strong> Oral and Maxill<strong>of</strong>acial Implants, 18 (4), 571–7.
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Medical modelling
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Medical modelling The application o
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Contents Preface ix Acknowledgement
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Contents vii 6.10 Rehabilitation ap
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x Preface Therefore, it is hoped th
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1.1 Background 1 Introduction The p
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Introduction 3 Whilst this book is
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Long axis 1.1 The anatomical positi
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Introduction 7 1.3 The major refere
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Medical imaging for rapid prototypi
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Medical imaging for rapid prototypi
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2.2.3 Anatomical coverage Medical i
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Medical imaging for rapid prototypi
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2.6 X-ray scatter artefact in a CT
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2.9 Close up of noise. Medical imag
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2.12 Smooth data. Medical imaging f
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Medical imaging for rapid prototypi
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Medical imaging for rapid prototypi
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1 Medical imaging for rapid prototy
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Medical imaging for rapid prototypi
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Medical imaging for rapid prototypi
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Export data format and media 33 (NE
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3.3 Media Export data format and me
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4.1 Pixel data operations 4 Working
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4.3 Effect of a high threshold. 4.4
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Working with medical scan data 41 4
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Working with medical scan data 43 4
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Working with medical scan data 45 S
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4.4 Two-dimensional formats Working
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Working with medical scan data 49 4
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Working with medical scan data 51 I
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4.18 Close up view showing facets.
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Working with medical scan data 55 4
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Working with medical scan data 57 4
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5.1 Background to rapid prototyping
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Physical reproduction 61 developing
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Physical reproduction 63 will displ
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Physical reproduction 65 As there i
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Physical reproduction 67 However, t
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Data quality Physical reproduction
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Physical reproduction 71 In some ca
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Physical reproduction 73 Overhangin
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- Page 96 and 97: Table 5.3 Advantages and disadvanta
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- Page 114 and 115: Post model Hospital department Pati
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- Page 118 and 119: Case studies 105 (Mimics). Image ma
- Page 120 and 121: Case studies 107 full co-operation
- Page 122 and 123: Case studies 109 communication and
- Page 124 and 125: • to achieve patient’s agreemen
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- Page 128 and 129: Case studies 115 not be suitable. A
- Page 130 and 131: Case studies 117 scale of the data
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- Page 134 and 135: Case studies 121 6.9a Smooth surfac
- Page 136 and 137: Case studies 123 slice editing of t
- Page 140 and 141: Case studies 127 18. Williams R J,
- Page 142 and 143: Case studies 129 and passing throug
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- Page 146 and 147: Case studies 133 6.18 The block ove
- Page 148 and 149: Case studies 135 create template (3
- Page 150 and 151: 6.4.3 Materials and methods Case st
- Page 152 and 153: 6.22 Resected bone compared to SLA
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- Page 156 and 157: Case studies 143 multi-plane reform
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- Page 160 and 161: Case studies 147 6.28 Plain radiogr
- Page 162 and 163: Case studies 149 reproduction of ex
- Page 164 and 165: Case studies 151 manner. The softwa
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- Page 170 and 171: Case studies 157 The more fundament
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- Page 180 and 181: 6.8.3 Methods Preliminary trial of
- Page 182 and 183: Case studies 169 prototyping system
- Page 184 and 185: Case studies 171 The aperture for t
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Case studies 175 during the acquisi
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6.46 Smoothing the data (exaggerate
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6.49 Plaster fi lled SL mould. Case
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Case studies 181 diffi cult for hos
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Case studies 183 extremely diffi cu
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Case studies 185 back as shown in F
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6.54 The result of the Boolean subt
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6.56 The SLA model of the plate. Ca
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6.59 SLA implant on SLA model of de
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Case studies 193 In the near future
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Case studies 195 anatomical forms a
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Case studies 197 Establishing the c
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Case studies 199 6.63 The rough (a)
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Case studies 201 The fi nal prosthe
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Case studies 203 grating the techno
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Case studies 205 6.12 Rehabilitatio
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Case studies 207 • Data capture N
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Case studies 209 placement of two i
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Case studies 211 technique that has
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Case studies 213 6.72 The bar locat
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Case studies 215 Stereolithography
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Case studies 217 authors intend to
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Case studies 219 17. Kau C H, Zhuro
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Case studies 221 310, Sainte-Foy, Q
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6.77a The physically surveyed cast.
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Creation of relief Case studies 225
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6.81 Construction curves. Case stud
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6.83 The support structure in 3D Li
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Finishing Case studies 231 The cast
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Case studies 233 6.14 Rehabilitatio
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6.86 The RPD framework designed in
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Second experiment Case studies 237
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Case studies 239 6.90 Close up view
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Table 6.2 Process steps and associa
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Case studies 243 9. Budtz-Jorgensen
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Case studies 245 micro-computed tom
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Case studies 247 supports became av
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Case studies 249 However, the probl
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6.96 Model of one of the samples su
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6.15.9 Reference Case studies 253 1
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Case studies 255 mummies. Mimics so
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Case studies 257 6.101 3D reconstru
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Case studies 259 6.103 The stages o
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6.16.5 Conclusions Case studies 261
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Case studies 263 the patient’s de
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Case studies 265 and sharp radii re
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Suitable technologies identifi ed C
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Case studies 269 6.107 A close-up p
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6.110 The selected region of facial
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Case studies 273 patterns were buil
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Case studies 275 7. Cheah C M, Chua
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Future developments 277 slices to b
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Future developments 279 ments that
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Glossary and explanatory notes 281
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Glossary and explanatory notes 283
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Further reading on anatomy Last’s
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Fundamentals of Facial Prosthetics
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Rapid Prototyping and Tooling Resea
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Contacts 3D Systems 26081 Avenue Ha
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Marcam Engineering GmbH Fahrenheits
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3D Lightyear TM 229, 247, 249-51, 2
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Removable Partial Denture 219-20, 2
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4.10 A three-dimensional shaded ima
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6.41 Merged pre- and post-operative