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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Duarte, Tp
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2019Study of the influence of sintering temperature on water absorption in the manufacture of porcelain cupscitations
- 2017The influence of face coat material on reactivity and fluidity of the Ti6Al4V and TiAl alloys during investment castingcitations
- 2014A framework for custom design and fabrication of cranio-maxillofacial prostheses using investment castingcitations
- 2008Optimization of Ceramic Shells for Contact with Reactive Alloys
- 2004Conversion of rapid prototyping models into metallic tools by ceramic moulding - An indirect rapid tooling processcitations
- 2003Development of coated ceramic components for the aluminum industrycitations
- 2003Ceramic components for foundry industrycitations
- 2003CONVERSION OF RAPID PROTOTYPING MODELS INTO METALLIC TOOLS BY CERAMIC MOULDING - AN INDIRECT RAPID TOOLING PROCESS
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document
A framework for custom design and fabrication of cranio-maxillofacial prostheses using investment casting
Abstract
Thiswork aims to enhance the design process and to develop a protocol for fabricating customized cranio-maxillofacial prostheses. The approach entails four tasks: Image processing, biomodelling, fabrication and finishing. The image processing comprises image segmentation and 3D reconstruction of the patient’s anatomy. The biomodelling consists in designing a custom-fit cranio-maxillofacial prosthesis. Finally, the fabrication is performed through investment casting. Thin ceramic shells are fabricated usingwax models, which are previously obtained by wax injection in silicone moulds and wax printing. The wax is eliminated by flash firing and the shell is sintered for 2 hours at 1450°C. Then, a titanium alloy is melted and casted under a controlled atmosphere using a copper cold crucible. The final step is the surface finishing using chemical milling that removes the superficial α-case layer and reduces the prostheses’ thickness. Ultimately, a 5-axis CNC machining is used to smooth the surface and to drill the holes for the attachment system. © 2015 Taylor & Francis Group, London.