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Correction: Komatsu et al. Three-Dimensional Visualization and Detection of the Pulmonary Venous-Left Atrium Connection Using Artificial Intelligence in Fetal Cardiac Ultrasound Screening. <i>Bioengineering</i> 2026, <i>13</i>, 100.

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Cost-Effective Full-Color 3D Dental Imaging Based on Close-Range Photogrammetry.

Bin Yang1, Jennifer Schinke1, Amir Rastegar1

  • 1Department of Biomedical Engineering, Duquesne University, Pittsburgh, PA 15282, USA.

Bioengineering (Basel, Switzerland)
|November 25, 2023
PubMed
Summary
This summary is machine-generated.

A new 3D dental imaging technique using close-range photogrammetry (CPDI) offers a cost-effective solution. This method accurately captures dental morphology and color, improving patient care and bridging the gap between standard and high-precision 3D scans.

Keywords:
3D dental reconstructiondental imagingintraoral scannerphotogrammetry

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Area of Science:

  • Biomedical Engineering
  • Dental Technology
  • Medical Imaging

Background:

  • Conventional 2D dental imaging is used for documentation.
  • High-precision 3D dental scanning is essential for specialized procedures like orthodontics and implant surgery.
  • A gap exists between conventional 2D imaging and high-precision 3D scanning.

Purpose of the Study:

  • To develop a cost-effective 3D dental imaging technique.
  • To bridge the gap between conventional dental photography and high-precision 3D scanning.
  • To improve patient dental care through advanced imaging.

Main Methods:

  • Developed a 3D imaging technique based on close-range photogrammetry (CPDI).
  • Evaluated CPDI on in vitro dental models and in vivo teeth.
  • Conducted a parametric study on depth of field and specular reflection for optimal reconstruction.

Main Results:

  • Optimal results achieved with an f/5.6 lens and no circular polarizer.
  • Generated 3D scans with 57.7 ± 3.2% and 82.4 ± 2.7% of points within ±0.1 mm and ±0.2 mm error margins, respectively.
  • Successfully reconstructed high-quality 3D models of the anterior arch with detailed color textures.

Conclusions:

  • CPDI provides accurate 3D dental models representing morphology and features.
  • The technique is clinically relevant and versatile for various dental applications.
  • CPDI offers a cost-effective alternative for detailed dental imaging.