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Radiation dose and image quality in pediatric bitewing imaging.

Raheis Rajalingam1, Karen Brage1,2, Louise Kjærby Nielsen1

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The Trophy CCX digital system provided higher quality pediatric bitewing X-ray images than the Planmeca Pro X system, but with a significantly higher radiation dose. Both systems produced diagnostically suitable images.

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Area of Science:

  • Dentistry
  • Radiology
  • Medical Imaging

Background:

  • Bitewing radiography is crucial for assessing pediatric dental health.
  • Comparing imaging systems is essential for optimizing diagnostic quality and patient safety.

Purpose of the Study:

  • To compare image quality and radiation dose between two X-ray systems for pediatric bitewing imaging.
  • Evaluate the performance of Trophy CCX digital (TCCX) and Planmeca Pro X (PPX) systems.

Main Methods:

  • Conducted in vivo pediatric and phantom bitewing studies.
  • Measured skin dose using an Unfors dosimeter.
  • Assessed image quality via blind evaluation by three dentists using a Likert scale (1-5), focusing on caries detection.

Main Results:

  • TCCX yielded higher image quality scores than PPX in both patient and phantom studies.
  • TCCX exhibited a higher skin dose (36-113% greater) compared to PPX.
  • No correlation was found between image quality scores and radiation dose or exposure time.

Conclusions:

  • Significant differences in radiation dose and image quality exist between TCCX and PPX systems.
  • TCCX offers superior image quality but at the cost of increased radiation exposure.
  • All evaluated images were deemed diagnostically acceptable.