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A Field Primer for Monitoring Benthic Ecosystems Using Structure-From-Motion Photogrammetry
Published on: April 15, 2021
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Evaluation of the Accuracy of Digital Models Generated Using Photogrammetry.
Somil Chaudhary1, Sandeep Kumar1, Rajnish Aggarwal1
1Department of Prosthodontics, Surendera Dental College and Research Institute, Sri Ganganagar, IND.
Cureus
|January 10, 2025
Summary
Photogrammetry accurately creates 3D dental models using free software, matching traditional gypsum models (GM). This digital dental model (DM) approach is reliable for clinical use.
Area of Science:
- Dental Technology
- 3D Imaging
- Digital Dentistry
Background:
- Three-dimensional (3D) models are essential in modern clinical practice.
- Photogrammetry offers a novel method for creating precise 3D models.
- This technique preserves the original shape and size of small objects.
Purpose of the Study:
- To assess the accuracy and reliability of digital models (DM) from photogrammetry versus traditional gypsum models (GM).
- To explore the use of free software for processing and manipulating digital dental models.
Main Methods:
- Maxillary arch impressions from 50 subjects were used to create gypsum models (GM).
- Photogrammetry captured 3D digital models (DM) from GM using 3DF Zephyr Free® software.
- Measurements were taken using digital calipers for GM and Blender® software for DM.
Main Results:
- Unpaired t-tests and volumetric assessments showed no significant differences between GM and DM measurements.
- Photogrammetry-generated digital models demonstrated high accuracy and reliability.
Conclusions:
- Photogrammetry, utilizing free software, is an effective method for creating accurate and reliable digital dental models.
- This technology supports efficient digitization processes in clinical settings.
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