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Teaching Pterygopalatine Fossa Anatomy Using 3D Images and Physical Model: A Novel Teaching Strategy

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Abstract

Medical students often struggle to appreciate the anatomy of the pterygopalatine fossa. This is due to the difficulty in understanding the spatial orientation through textbook diagrams, as well as its deeper location and smaller size in cadaveric specimens. Research has proven that three-dimensional visualization enhances the spatial understanding of anatomy. However, studies have not compared the effectiveness of two different instructional designs that cater to 3D visualization. We conducted a mixed methodology (quasi-experimental pre-test/post-test control design with additional qualitative components) study to compare the effectiveness of a physical model and a 3D image in small-group teaching. The students were divided into control and intervention groups based on their roll numbers. The control group utilized a series of 3D images delivered through Microsoft PowerPoint software on computers. The students in the intervention group used a physical model made of cardboard, with colored wires representing the neurovascular structures. We used 20 spatial anatomy-based multiple-choice questions (MCQs) to assess knowledge acquisition before and after the small group discussion. Additionally, we utilized a validated 10-item feedback questionnaire to evaluate participants’ perception of the teaching sessions. There was no significant difference in the knowledge gain and perception scores between the control and intervention groups. These findings suggest that a well-designed 3D image can provide an equivalent learning outcome and level of satisfaction compared to a physical model.

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Acknowledgements

The authors would like to acknowledge the medical students for participating in the study and supporting staffs for their help rendered during the implementation of the project.

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Authors and Affiliations

  1. Department of Anatomy, All India Institute of Medical Sciences, Madurai, Madurai, India

    Suresh Narayanan

  2. Department of Anatomy, Sri Manakula Vinayagar Medical College and Hospital, Puducherry, India

    Priyadharshini Nattalam Adikesavan

  3. Department of Pharmacology, Mahatma Gandhi Medical College and Research Institute, Puducherry, India

    Vimala Ananthy

Authors
  1. Suresh Narayanan
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  2. Priyadharshini Nattalam Adikesavan
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  3. Vimala Ananthy
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Contributions

Conceptualization, data analysis, drafting of the manuscript, critical revision of the manuscript, and approval of the final version of the manuscript: Suresh N, Priyadharshini NA, Vimala Ananthy. Data acquisition: Suresh N, Priyadharshini NA.

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Correspondence to Suresh Narayanan.

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Narayanan, S., Adikesavan, P.N. & Ananthy, V. Teaching Pterygopalatine Fossa Anatomy Using 3D Images and Physical Model: A Novel Teaching Strategy. Med.Sci.Educ. (2024). https://doi.org/10.1007/s40670-024-02063-3

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