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Updated: May 15, 2026

A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
06:49

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Published on: July 22, 2022

Positioning errors and quality assessment in panoramic radiography.

Manu Dhillon1, Srinivasa M Raju, Sankalp Verma

  • 1Department of Oral Medicine and Radiology, ITS Centre for Dental Studies and Research, Ghaziabad, India.

Imaging Science in Dentistry
|January 10, 2013
PubMed
Summary
This summary is machine-generated.

Positioning errors are common in panoramic radiography, affecting 89% of images. Improving patient positioning is key to enhancing diagnostic image quality and reducing unacceptable radiographs.

Keywords:
Quality ControlRadiography, Panoramic

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Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization
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Published on: March 3, 2023

Area of Science:

  • Dentistry
  • Oral and Maxillofacial Radiology

Background:

  • Panoramic radiography is a common diagnostic tool in dentistry.
  • Image quality is crucial for accurate diagnosis.
  • Positioning errors can significantly degrade image quality.

Purpose of the Study:

  • To determine the frequency of positioning errors in panoramic radiographs.
  • To identify specific errors leading to diagnostically inadequate images.
  • To assess the overall quality of panoramic radiographs.

Main Methods:

  • Analysis of 1,782 panoramic radiographs from a dental college.
  • Categorization of positioning errors into nine distinct groups.
  • Classification of radiograph quality as 'excellent', 'diagnostically acceptable', or 'unacceptable'.

Main Results:

  • 89% of radiographs exhibited positioning errors.
  • Failure to position the tongue against the palate was the most frequent error (55.7%).
  • Only 11% of radiographs were rated as excellent, with 24.9% deemed unacceptable.

Conclusions:

  • Positioning errors are prevalent in panoramic radiography.
  • Careful attention to patient positioning can improve radiograph quality.
  • Reducing errors enhances diagnostic accuracy.