Article ; Online: Are 3D-printed anatomical models of the ear effective for teaching anatomy? A comparative pilot study versus cadaveric models.
Surgical and radiologic anatomy : SRA
2024 Volume 46, Issue 2, Page(s) 103–115
Abstract: Purpose: Despite the combination of chalkboard lectures and cadaveric models, the ear remains a complex anatomical structure that is difficult for medical students to grasp. The aim of this study was to evaluate the contribution of a 3D-printed ear ... ...
| Abstract | Purpose: Despite the combination of chalkboard lectures and cadaveric models, the ear remains a complex anatomical structure that is difficult for medical students to grasp. The aim of this study was to evaluate the contribution of a 3D-printed ear model for educating undergraduate medical students by comparing it with a conventional cadaveric model. Methods: Models of the ear comprising the outer ear, tympanic membrane, ossicles and inner ear were modeled and then 3D-printed at 6:1 and 10:1 scales based on cadaveric dissection and CT, cone-beam CT and micro/nano CT scans. Cadaveric models included two partially dissected dry temporal bones and ossicles. Twenty-four 3rd year medical students were given separate access to cadaveric models (n = 12) or 3D-printed models (n = 12). A pre-test and two post-tests were carried out to assess knowledge (n = 24). A satisfaction questionnaire focusing solely on the 3D-printed model, comprising 17 items assessed on a 5-point Likert scale, was completed by all study participants. A 5-point Likert scale questionnaire comprising four items (realism, color, quality and satisfaction with the 3D-printed ear model) was given to three expert anatomy Professors. Results: The test scores on the first post-test were higher for the students who had used the 3D-printed models (p < 0.05). Overall satisfaction among the students and the experts was very high, averaging 4.7 on a 5-point Likert-type satisfaction scale. Conclusion: This study highlights the overall pedagogical value of a 3D-printed model for learning ear anatomy. |
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| MeSH term(s) | Humans ; Pilot Projects ; X-Ray Microtomography ; Students, Medical ; Models, Anatomic ; Printing, Three-Dimensional ; Cadaver ; Anatomy/education ; Teaching |
| Language | English |
| Publishing date | 2024-01-17 |
| Publishing country | Germany |
| Document type | Journal Article |
| ZDB-ID | 632839-8 |
| ISSN | 1279-8517 ; 0930-312X ; 0930-1038 |
| ISSN (online) | 1279-8517 |
| ISSN | 0930-312X ; 0930-1038 |
| DOI | 10.1007/s00276-023-03276-8 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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