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Face and content validation of additive manufacturing temporal bone specimens
Jesslyn Clarance Lamtara1, Sudanthi Wijewickrema1, Jean-Marc Gerard1,2
1Department of Surgery (Otolaryngology), University of Melbourne, VIC, Australia.
The Journal of Laryngology and Otology
|November 10, 2024
Summary
New 3D-printed temporal bone models offer a realistic alternative for otology training. These additive manufacturing specimens provide a valuable, cost-effective solution for surgical skill development.
Area of Science:
- Medical Education
- Surgical Simulation
- Additive Manufacturing
Background:
- Cadaveric temporal bones are essential for otology training but are scarce and costly.
- Additive manufacturing (AM) presents a viable alternative for creating training models.
- This study validates AM temporal bone specimens for realism and training potential.
Purpose of the Study:
- To qualitatively assess the realism of new additive manufacturing temporal bone specimens.
- To evaluate the suitability of these specimens for surgical skills training in otology.
Main Methods:
- Three AM temporal bone models were created from cadaveric specimens.
- Experienced otologist-trainers dissected and evaluated the AM models.
- A quantitative scoring system and qualitative feedback were used for evaluation.
Main Results:
- The AM specimens achieved a high average score of 4.26 ± 0.72 out of 5.
- Expert raters provided positive feedback on the specimens' realism.
- High inter-rater reliability (ICC = 0.745) indicated consistent evaluation.
Conclusions:
- AM temporal bone specimens can realistically simulate the training experience of cadaveric bones.
- These models show promise for enhancing otology surgical training.
- Further research is required to confirm their effectiveness in surgical curricula.
