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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Nallan's Direct Ray: An Innovative Gyroscopic-Guided Radiographic Device for Intraoral Radiography.

Nallan C S K Chaitanya1, Nada Tawfig Hashim2, Vivek Padmanabhan3

  • 1Department of Oral Medicine and Radiology, RAK College of Dental Sciences, RAK Medical & Health Sciences University, Ras-AlKhaimah 12973, United Arab Emirates.

Diagnostics (Basel, Switzerland)
|February 13, 2026
PubMed
Summary
This summary is machine-generated.

A new gyroscopic-guided, laser-assisted device significantly improves intraoral radiograph accuracy by reducing geometric errors and operator dependency. This technology enhances diagnostic quality and minimizes the need for repeat exposures in dental imaging.

Keywords:
dental imagingdiagnostic precisiongeometric accuracygyroscopic guidanceintraoral radiographylaser alignmentradiographic errors

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Area of Science:

  • Dental Imaging and Diagnostics
  • Radiographic Technology
  • Geometric Accuracy in Medical Imaging

Background:

  • Intraoral radiography is prone to operator-dependent geometric distortions.
  • Deviations in beam angulation and receptor placement cause diagnostic inaccuracies and repeat exposures.
  • Standardizing cone positioning is crucial for reliable bisecting-angle radiographs.

Purpose of the Study:

  • To introduce and evaluate a novel gyroscopic-guided, laser-assisted device for intraoral radiography.
  • To assess the device's impact on geometric reliability and diagnostic accuracy.
  • To determine if the device reduces operator-dependent variability in radiographic procedures.

Main Methods:

  • Eighteen dental professionals performed periapical radiographs on phantom models.
  • Standardized projections were obtained with and without the gyroscopic-guided device.
  • Radiographic measurements (tooth height, width) and technical errors were compared between techniques.

Main Results:

  • The gyroscopic-guided device significantly improved geometric accuracy, showing stronger correlations with reference values for height (r=0.942) and width (r=0.878) measurements.
  • Technical radiographic errors were reduced by approximately 62.5% with device use.
  • Significant reductions were observed in cone cut, elongation, overlap, and centering errors.

Conclusions:

  • Integrating gyroscopic stabilization and laser guidance substantially enhances geometric fidelity and reproducibility of intraoral radiographs.
  • The device minimizes operator variability, leading to improved diagnostic quality and potentially fewer repeat exposures.
  • Further clinical validation in patient settings is recommended to confirm the device's efficacy.