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Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads
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Laser guided automated calibrating system for accurate bracket placement.

A Anitha1, Aj Kumar2, R Mascarenhas3

  • 1Department of Orthodontics and Dentofacial Orthopedics, A.J. Institute of Dental Sciences, Kuntikana, Mangalore, Karnataka, India.

Annals of Medical and Health Sciences Research
|March 7, 2015
PubMed
Summary
This summary is machine-generated.

A new automated calibrating system achieves 0.024 mm accuracy for precise bracket positioning. This Laser Guided Automated Calibrating (LGAC) system enhances orthodontic biomechanics and appliance potential.

Keywords:
Hough transformsIndirect bonding techniqueLaserOrthodontic bracket placement

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Area of Science:

  • Orthodontics
  • Biomedical Engineering
  • Image Processing

Background:

  • Accurate bracket positioning is fundamental for preadjusted edgewise appliances.
  • Precise bracket placement is critical for efficient biomechanics and optimal appliance function.

Purpose of the Study:

  • To design a novel calibrating system for accurate point detection on a plane.
  • To evaluate the precision of the Laser Guided Automated Calibrating (LGAC) System.

Main Methods:

  • A plane with parallel lines was used to verify system accuracy.
  • Images of the plane were analyzed from controlled angles after calibration.
  • A laser marker was employed to identify the precise point on the plane.

Main Results:

  • MATLAB software was utilized for image analysis.
  • The system demonstrated a resolution of 0.024 mm per pixel.
  • The LGAC system can measure variations as small as 0.024 mm.

Conclusions:

  • A new automated system for precise bracket placement has been developed.
  • The system achieves a high accuracy of 0.024 mm.
  • This technology offers significant potential for improving orthodontic procedures.