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Updated: Aug 2, 2026

Rapid and Low-cost Prototyping of Medical Devices Using 3D Printed Molds for Liquid Injection Molding
Published on: June 27, 2014
Silicone cure inhibition with material jetting additive manufacturing utilized for facial prosthesis fabrication - A
Chen Chen1, Denny Chao2, Jay Jayanetti2
1Section of Special Patient Care & Maxillofacial Prosthetics, Division of Regenerative and Reconstructive Sciences, School of Dentistry, University of California, Los Angeles, USA.
Abstract:
This clinical report outlines the prosthetic restoration of a 92-year-old Caucasian patient who underwent a partial rhinectomy. Utilizing CAD-CAM technology, scanning and design were accomplished digitally, and material jetting additive manufacturing was used to create a two-piece mold for a partial nasal silicone prosthesis. An unprecedented challenge was observed involving cure inhibition when the silicone came into contact with the additively manufactured (AM) material, and multiple attempted strategies to remedy this situation were discussed. The report emphasizes the critical need for further research to optimize digital workflows in prosthetic facial rehabilitation.
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