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3D-printed temporal bone models for training: Does material transparency matter?

Andreas Frithioff1, Kenneth Weiss1, Pascal Senn2

  • 1Copenhagen Hearing and Balance Center, Department of Otorhinolaryngology-Head & Neck Surgery and Audiology, Rigshospitalet, Copenhagen, Denmark.

International Journal of Pediatric Otorhinolaryngology
|August 30, 2024
PubMed
Summary
This summary is machine-generated.

Transparent 3D-printed temporal bone models significantly improve surgical training performance. Utilizing transparent models, akin to natural bone, enhances trainees' ability to identify critical visual cues during mastoidectomy procedures.

Keywords:
3D printingAdditive manufacturingEducationMastoidectomyOtologyRapid prototypingTemporal boneTraining

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Area of Science:

  • Surgical Education
  • Anatomical Modeling
  • Medical Simulation

Background:

  • Mastoidectomy is a complex surgical procedure requiring precise anatomical understanding.
  • Traditional training methods for mastoidectomy often rely on cadaveric dissection or limited simulation tools.
  • 3D-printed anatomical models offer a promising avenue for surgical skill development.

Purpose of the Study:

  • To evaluate the impact of 3D-printed temporal bone models with varying material transparencies on surgical trainees' mastoidectomy performance.
  • To compare the effectiveness of opaque versus transparent 3D-printed models in a simulated surgical environment.

Main Methods:

  • Eleven otolaryngology residents performed mastoidectomies on opaque and transparent 3D-printed temporal bone models.
  • Participants were randomized based on experience level and model material order.
  • Surgical performance was assessed using the modified Welling Scale, and models were evaluated via questionnaire.

Main Results:

  • Trainees demonstrated a 25% improvement in performance with transparent models compared to opaque ones (18.6 vs 14.9 points).
  • Subjective feedback indicated transparent models were perceived as more representative of cadaveric dissection.
  • Experienced trainees performing on 3D-printed models scored higher than those using VR simulation.

Conclusions:

  • 3D-printed temporal bone models with transparency enhance surgical training outcomes.
  • Material transparency in anatomical models aids trainees in visualizing and utilizing key surgical landmarks.
  • Transparent models represent a valuable adjunct for mastoidectomy training, potentially improving surgical proficiency.