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Making a facial prosthesis on photogrammetry software
Denise Vicentin, 53 was diagnosed with a facial tumor 30 years ago. After having it removed twice, it came back 20 years later in a malignant form. Luckily, she was able to benefit from research conducted by scientists at Paulista…
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Denise Vicentin, 53 was diagnosed with a facial tumor 30 years ago. After having it removed twice, it came back 20 years later in a malignant form. Luckily, she was able to benefit from research conducted by scientists at Paulista University in Sao Paulo, Brazil. The team of researchers developed a method for making facial prostheses that relies on 3D models developed on photogrammetry software. The data collected on the mobile device is relatively easy to work with and can be used to create cost-effective additively manufactured facial prostheses – in this case for maxillofacial defects.
“In the past, it took much longer work, hours of sculpting by hand, and the process was very invasive, with material on the patient’s face to get an imprint of their appearance,” explained Rodrigo Salazar, the lead researcher on the study.
15 pictures are taken from different angles on a mobile device
Luciano Lauria Dib, another researcher that worked on this study, started working with Denise Vicentin to produce a personalized prosthesis. Vicentin had to undergo multiple surgeries to build up her facial tissue and titanium rods had to be implanted in her eye socket to hold the prosthesis. Essentially, after only taking 15 pictures of Vicentin’s face from various angles, they were able to develop a 3D model of the prosthetic device on photogrammetry software.
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