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[Intraoral radiography: qualitative study].

Sarah Freyche1, Lydia Vazquez2

  • 1Clinique universitaire de médecine dentaire, Faculté de médecine, Université de Genève, Suisse.

Swiss Dental Journal
|February 1, 2023
PubMed
Summary
This summary is machine-generated.

Using a rectangular collimator for intraoral X-rays significantly reduces radiation exposure to salivary and thyroid glands. This study confirms rectangular collimators maintain excellent diagnostic quality for dental radiographs.

Keywords:
collimateurrectangulairequalité des imagesradiographie intraoraleradiologie numériqueradioprotection

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Area of Science:

  • Radiology
  • Dental Medicine
  • Radiation Protection

Context:

  • Intraoral radiography exposes patients to ionizing radiation, particularly affecting salivary and thyroid glands.
  • Traditional round collimators offer less radiation protection compared to rectangular ones.
  • Dental students at University Clinics of Dental Medicine (Geneva, Switzerland) were evaluated for their use of collimators.

Purpose:

  • To assess the impact of rectangular collimators on the diagnostic quality of intraoral X-rays.
  • To compare the quality of radiographs taken with and without rectangular collimators.
  • To evaluate radiation dose reduction benefits for patients undergoing intraoral radiography.

Summary:

  • A quality control study analyzed 130 intraoral radiographs taken by dental students using digital phosphor plates.
  • Half the radiographs utilized a rectangular collimator, with 24.6% being bitewings.
  • Mean quality scores for bitewings and periapical X-rays showed no significant difference between collimator types, with rectangular collimators achieving excellent or sufficient diagnostic quality in 95-100% of cases.

Impact:

  • Rectangular collimators provide excellent diagnostic quality for intraoral X-rays, comparable to traditional methods.
  • The use of rectangular collimators ensures patient radiation protection without compromising image quality.
  • This study supports the adoption of rectangular collimators in daily dental practice to minimize radiation exposure.