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Missing facial parts computed by a morphable model and transferred directly to a polyamide laser-sintered prosthesis: an innovation study.
Br J Oral Maxillofac Surg. 2011 Dec; 49(8):e67-71.BJ

Abstract

Mirroring of missing facial parts and rapid prototyping of templates have become widely used in the manufacture of prostheses. However, mirroring is not applicable for central facial defects, and the manufacture of a template still requires labour-intensive transformation into the final facial prosthesis. We have explored innovative techniques to meet these remaining challenges. We used a morphable model of a face for the reconstruction of missing facial parts that did not have mirror images, and skin-coloured polyamide laser sintering for direct manufacture of the prosthesis. From the knowledge gleaned from a data set of 200 coloured, three-dimensional scans, we generated a missing nose that was statistically compatible with the remaining parts of the patient's face. The planned prosthesis was manufactured directly from biocompatible skin-coloured polyamide powder by selective laser sintering, and the prosthesis planning system produced a normal-looking reconstruction. The polyamide will need adjustable colouring, and we must be able to combine it with a self-curing resin to fulfil the requirements of realistic permanent use.

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Authors+Show Affiliations

Mueller AA
Department of Cranio-Maxillofacial Surgery, University Hospital Basel, Switzerland. anmueller@uhbs.ch
Paysan P
No affiliation info available
Schumacher R
No affiliation info available
Zeilhofer HF
No affiliation info available
Berg-Boerner BI
No affiliation info available
Maurer J
No affiliation info available
Vetter T
No affiliation info available
Schkommodau E
No affiliation info available
Juergens P
No affiliation info available
Schwenzer-Zimmerer K
No affiliation info available

MeSH

AlgorithmsCarcinoma, Basal CellComputer-Aided DesignHumansImage Processing, Computer-AssistedImaging, Three-DimensionalLasers, GasMaleMaxillofacial ProsthesisModels, AnatomicModels, StatisticalNeoplasm Recurrence, LocalNoseNose NeoplasmsNylonsProstheses and ImplantsProsthesis ColoringProsthesis Design

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21458119

Citation

Mueller, A A., et al. "Missing Facial Parts Computed By a Morphable Model and Transferred Directly to a Polyamide Laser-sintered Prosthesis: an Innovation Study." The British Journal of Oral & Maxillofacial Surgery, vol. 49, no. 8, 2011, pp. e67-71.
Mueller AA, Paysan P, Schumacher R, et al. Missing facial parts computed by a morphable model and transferred directly to a polyamide laser-sintered prosthesis: an innovation study. Br J Oral Maxillofac Surg. 2011;49(8):e67-71.
Mueller, A. A., Paysan, P., Schumacher, R., Zeilhofer, H. F., Berg-Boerner, B. I., Maurer, J., Vetter, T., Schkommodau, E., Juergens, P., & Schwenzer-Zimmerer, K. (2011). Missing facial parts computed by a morphable model and transferred directly to a polyamide laser-sintered prosthesis: an innovation study. The British Journal of Oral & Maxillofacial Surgery, 49(8), e67-71. https://doi.org/10.1016/j.bjoms.2011.02.007
Mueller AA, et al. Missing Facial Parts Computed By a Morphable Model and Transferred Directly to a Polyamide Laser-sintered Prosthesis: an Innovation Study. Br J Oral Maxillofac Surg. 2011;49(8):e67-71. PubMed PMID: 21458119.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Missing facial parts computed by a morphable model and transferred directly to a polyamide laser-sintered prosthesis: an innovation study. AU - Mueller,A A, AU - Paysan,P, AU - Schumacher,R, AU - Zeilhofer,H-F, AU - Berg-Boerner,B-I, AU - Maurer,J, AU - Vetter,T, AU - Schkommodau,E, AU - Juergens,P, AU - Schwenzer-Zimmerer,K, Y1 - 2011/03/31/ PY - 2010/09/04/received PY - 2011/02/24/accepted PY - 2011/4/5/entrez PY - 2011/4/5/pubmed PY - 2012/4/27/medline SP - e67 EP - 71 JF - The British journal of oral & maxillofacial surgery JO - Br J Oral Maxillofac Surg VL - 49 IS - 8 N2 - Mirroring of missing facial parts and rapid prototyping of templates have become widely used in the manufacture of prostheses. However, mirroring is not applicable for central facial defects, and the manufacture of a template still requires labour-intensive transformation into the final facial prosthesis. We have explored innovative techniques to meet these remaining challenges. We used a morphable model of a face for the reconstruction of missing facial parts that did not have mirror images, and skin-coloured polyamide laser sintering for direct manufacture of the prosthesis. From the knowledge gleaned from a data set of 200 coloured, three-dimensional scans, we generated a missing nose that was statistically compatible with the remaining parts of the patient's face. The planned prosthesis was manufactured directly from biocompatible skin-coloured polyamide powder by selective laser sintering, and the prosthesis planning system produced a normal-looking reconstruction. The polyamide will need adjustable colouring, and we must be able to combine it with a self-curing resin to fulfil the requirements of realistic permanent use. SN - 1532-1940 UR - https://www.unboundmedicine.com/medline/citation/21458119/Missing_facial_parts_computed_by_a_morphable_model_and_transferred_directly_to_a_polyamide_laser_sintered_prosthesis:_an_innovation_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0266-4356(11)00068-4 DB - PRIME DP - Unbound Medicine ER -