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[Ionizing radiation absorbed by the patient].

A Benazzi1, G Cucchi, V D'Arcangelo

  • 1Università degli Studi di Bologna.

Dental Cadmos
|April 30, 1991
PubMed
Summary
This summary is machine-generated.

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The short cone (bisecting angle) dental X-ray technique exposes patients to 2-3 times more skin radiation dose than the long cone (paralleling) technique. This finding is crucial for optimizing patient radiation safety during intraoral radiography.

Area of Science:

  • Radiological Sciences
  • Dental Imaging
  • Radiation Dosimetry

Context:

  • Intraoral radiography is a common dental diagnostic procedure.
  • Patient skin dose is a critical factor in radiation protection.
  • Two primary techniques, paralleling and bisecting angle, are used in dental radiography.

Purpose:

  • To compare the skin contact radiation dose delivered by the long cone (paralleling) technique versus the short cone (bisecting angle) technique.
  • To quantify dose differences across various dental X-ray units and voltage settings (50-70 Kvs).

Summary:

  • Skin doses were measured using calcium fluoride thermoluminescent dosimeters (CaF2:Dy) in 50 dental X-ray units.
  • Data, expressed in uGy/mA.sec., were analyzed based on voltage and technique.

Related Experiment Videos

  • The bisecting angle technique resulted in significantly higher skin doses (2-3 times greater) compared to the paralleling technique.

    • Impact:

    • Highlights the need for technique selection prioritizing patient radiation safety.
    • Suggests the paralleling technique is preferable for minimizing patient skin dose in intraoral radiography.
    • Provides quantitative data for dental professionals to inform technique choice and radiation protection protocols.