Multi-institutional Comparison of Temporal Bone Models: A Collaboration of the AAO-HNSF 3D-Printed Temporal Bone Working Group

Sarah E. Mowry, Noel Jabbour, Austin S. Rose, Gregory J. Wiet, Maja Svrakic, David A. Zopf, Kyle Vankoevering, Allison Powell, Monika E. Freiser, Jordan Hochman, Richard Smith

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Objective: The American Academy of Otolaryngology–Head and Neck Surgery Foundation’s (AAO-HNSF’s) 3D-Printed Temporal Bone Working Group was formed with the goal of sharing information and experience relating to the development of 3D-printed temporal bone models. The group conducted a multi-institutional study to directly compare several recently developed models. Study Design: Expert opinion survey. Setting: Temporal bone laboratory. Methods: The working group convened in 2018. The various methods in which 3D virtual models had been created and printed in physical form were then shared and recorded. This allowed for comparison of the advantages, disadvantages, and costs of each method. In addition, a drilling event was held during the October 2018 AAO-HNSF Annual Meeting. Each model was drilled and evaluated by attending-level working group members using an 15-question Likert scale questionnaire. The models were graded on anatomic accuracy as well as their suitability as a simulation of both cadaveric and operative temporal bone drilling. Results: The models produced for this study demonstrate significant anatomic detail and a likeness to human cadaver specimens for drilling and dissection. Models printed in standard resin material with a stereolithography printer scored highest in the evaluation, though the margin of difference was negligible in several categories. Conclusion: Simulated 3D temporal bones created through a number of printing methods have potential benefit in surgical training, preoperative simulation for challenging otologic cases, and the standardized testing of temporal bone surgical skills.

Original languageEnglish (US)
Pages (from-to)1077-1084
Number of pages8
JournalOtolaryngology - Head and Neck Surgery (United States)
Volume164
Issue number5
DOIs
StatePublished - May 2021

Keywords

  • 3-dimensional
  • 3D printed
  • additive manufacturing
  • education
  • model
  • simulation
  • temporal bone
  • working group

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

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