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Assessment of a Novel Computer Algorithm for Printing a 3-Dimensional Nasal Prosthetic.

Meryam Shikara1, Christopher J Rizzi2, Brian Zelip3

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|May 26, 2018
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Summary
This summary is machine-generated.

A novel computer algorithm creates 3-D nasal models for prostheses, showing high similarity to original noses. This technique may reduce the need for an anaplastologist for temporary external nasal defect prostheses.

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Prosthodontics

Background:

  • Creating custom nasal prostheses traditionally requires specialized expertise from an anaplastologist.
  • Advancements in 3D imaging and printing offer potential for more accessible prosthetic fabrication.

Purpose of the Study:

  • To introduce and evaluate a novel computer algorithm for generating 3D nasal models.
  • To assess the visual similarity between 3D-printed nasal prostheses and the original noses.

Main Methods:

  • A computer algorithm utilizing 3D animation software (Blender) and image editing software (Adobe Photoshop) was developed.
  • Photographs of five volunteers were processed to create 3D nasal models, which were then 3D printed.
  • Medical professionals surveyed evaluated the similarity of the 3D-printed noses to the volunteers' photographs on a Likert scale.

Main Results:

  • The mean overall similarity score between 3D-printed nasal models and photographs was 8.42 out of 10.
  • Respondents correctly matched 3D-printed noses to the corresponding volunteers' photographs in 97.7% of cases.
  • All surveyed clinicians expressed willingness to use this tool for temporary prosthesis creation.

Conclusions:

  • The developed algorithm successfully models and prints 3D nasal prostheses with high fidelity to the original anatomy.
  • This technique shows potential for creating temporary prostheses for external nasal defects, potentially bypassing the need for an anaplastologist.
  • Further research is needed to determine the full clinical applicability of this 3D modeling and printing technique.