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Fabrication of a maxillofacial prosthesis using a computer-aided design and manufacturing system. 2004

Mitsuhiro Tsuji, and Nobuhiro Noguchi, and Koichiro Ihara, and Yoshio Yamashita, and Michio Shikimori, and Masaaki Goto
Department of Oral and Maxillofacial Surgery, Saga Medical School, Saga 849-0937, Japan. tsujim2@post.saga-med.ac.jp

OBJECTIVE Maxillofacial prostheses are usually fabricated on the basis of impressions made with dental-impression material. The extent to which the prosthesis reproduces normal facial morphology depends on the clinical judgment of the individual fabricating the prosthesis. This paper describes a computer-aided design and manufacturing (CAD/CAM) system for the fabrication of maxillofacial prostheses. This system will provide a more consistently accurate reproduction of facial morphology. METHODS Facial measurements were taken using a non-contact three-dimensional laser morphological measurement system. The measurements were sent to a computer numerical controlled (CNC) milling machine to generate a cast of the patient's face for the fabrication of prosthesis. RESULTS Facial contours were measured using a laser. This method minimizes patient discomfort and avoids soft tissue distortion by impression material. Moreover, the digital data obtained is easy to store and transmit, and mirror-images can be readily generated by computer processing. CONCLUSIONS This method offers an objective, quantified approach for fabricating maxillofacial prostheses.

UI MeSH Term Description Entries
D008297 Male Males
D008441 Maxillary Neoplasms Cancer or tumors of the MAXILLA or upper jaw. Maxillary Neoplasm,Neoplasm, Maxillary,Neoplasms, Maxillary
D008447 Maxillofacial Prosthesis A prosthetic appliance for the replacement of areas of the maxilla, mandible, and face, missing as a result of deformity, disease, injury, or surgery. When the prosthesis replaces portions of the mandible only, it is referred to as MANDIBULAR PROSTHESIS. Maxillary Prosthesis,Maxillary Prostheses,Maxillofacial Prostheses,Prostheses, Maxillary,Prostheses, Maxillofacial,Prosthesis, Maxillary,Prosthesis, Maxillofacial
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011474 Prosthesis Design The plan and delineation of prostheses in general or a specific prosthesis. Design, Prosthesis,Designs, Prosthesis,Prosthesis Designs
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D017076 Computer-Aided Design The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics. CAD-CAM,Computer-Aided Manufacturing,Computer-Assisted Design,Computer-Assisted Manufacturing,Computer Aided Design,Computer Aided Manufacturing,Computer Assisted Design,Computer Assisted Manufacturing,Computer-Aided Designs,Computer-Assisted Designs,Design, Computer-Aided,Design, Computer-Assisted,Designs, Computer-Aided,Designs, Computer-Assisted,Manufacturing, Computer-Aided,Manufacturing, Computer-Assisted

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