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3D assessment of ear morphology
Meleti Venkata Sowmya1, Divya Mehrotra1, Shadab Mohammad1
1Department of Oral and Maxillofacial Surgery, King George Medical University, Lucknow, India.
Journal of Oral Biology and Craniofacial Research
|August 21, 2023
Summary
Stereophotogrammetry offers a reliable method for assessing human ear morphology, aiding in precise ear reconstruction. This 3D imaging technology enhances understanding of auricular anatomy for better cosmetic outcomes.
Area of Science:
- Plastic Surgery
- Anthropometry
- Medical Imaging
Background:
- Auricular reconstruction is complex due to intricate ear anatomy.
- Anthropometry is crucial for achieving aesthetic outcomes in ear reconstruction.
- Stereophotogrammetric technology can advance the understanding of human ear morphology.
Purpose of the Study:
- To evaluate the utility of stereophotogrammetry in assessing human ear morphology.
- To establish a reliable and efficient method for analyzing auricular anatomy.
- To inform and improve aesthetic ear reconstruction procedures.
Main Methods:
- A cross-sectional study involving 400 participants in Northern India.
- 3D facial scans were acquired using Canfield VECTRA® H2 3D imaging.
- Auricular landmarks were marked on 3D-generated images for analysis.
Main Results:
- The study analyzed ear morphology in relation to age and sex.
- Specific ear features like helix rolling, earlobe shape, and tragus shape were documented.
- Males exhibited larger mean auricle dimensions and attachment lengths, with a higher prevalence of Darwin's tubercle. Females showed greater ear angulation.
Conclusions:
- Stereophotogrammetry provides a quick, reliable, and user-friendly approach to assess ear morphology.
- Precise assessment of ear morphology using this technology leads to more cosmetic and acceptable ear restoration.
- This method enhances the understanding of human ear anatomy for reconstructive purposes.
