Dose area product measurement for diagnostic reference levels and analysis of patient dose in dental radiography

Suchul Han, Boram Lee, Gwisoon Shin, Jonghak Choi, Jungmin Kim, Changseo Park, Hyok Park, Kisung Lee, Youhyun Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In this study, diagnostic reference levels (DRLs) were suggested and patient doses were analysed through the dose-area product value in dental radiography. In intraoral radiography, at three sites, i.e. molar, premolar and incisor on the maxilla and acquired third quartile values: 55.5, 46 and 36.5 mGy cm 2, respectively, were measured. In panoramic, cephalometric and cone beam computed tomography, the values were 120.3, 146 and 3203 mGy cm 2 (16 × 18 cm), respectively. It has been shown that, in intraoral radiography, the patient dose changes proportionally to the value of mA s, but the change in extraoral radiography in response to mA s could not be confirmed. The authors could confirm, however, the difference in dose according to the manufacturer in all dental radiography examinations, except for panoramic radiography. Depending on the size of hospital, there were some differences in patient dose in intraoral radiography, but no difference in patient dose in extraoral radiography.

Original languageEnglish
Article numberncr439
Pages (from-to)523-531
Number of pages9
JournalRadiation Protection Dosimetry
Volume150
Issue number4
DOIs
Publication statusPublished - 2012 Jul

ASJC Scopus subject areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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