Comparison of Dose-Area Product in Panoramic and Cone-Beam Computed Tomography Radiographies at Adult and Pediatric Age Groups in Yazd Province, Iran

Document Type : Original Article (s)

Authors

1 MSc Student, Department of Medical Physics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

2 MSc Student, Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

3 Assistant Professor, Department of Medical Physics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

Abstract

Background: Panoramic radiography and cone-beam computed tomography (CBCT) are the two methods used widely in dental radiology. In this research, the mean dose-area product (DAP) for two groups including adult and pediatric (5-10 years old) was compared in the two methods.Methods: In this experimental study, the data from 251 patients of seven panoramic systems and one CBCT system related to Shahid Sadoughi University of Medical Sciences (Yazd Province, Iran) was investigated. For each patient, the information including DAP values and other scan parameters for the two age groups were evaluated.Findings: The mean value of DAP in panoramic and CBCT systems in adult groups was 91.22 ± 6.47 and 943.8 ± 8.96 mGy.cm2, respectively. This value in pediatric groups was 55.4 ± 13.5 and 63 ± 0.0 mGy.cm2, respectively. The average of DAP value in the CBCT method in adult and pediatric groups was higher about 9 and 12 folds, respectively, compared to the panoramic examination. In addition, this value was higher significantly in adult patients in comparison to pediatrics (P < 0.05).Conclusion: Due to the wide and high exposure parameters in CBCT than panoramic, the DAP value from this method was higher especially in pediatric patients. Therefore, clinicians should consider their attention in requesting CBCT.

Keywords

References

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Journal of Isfahan Medical School
Volume 38, Issue 582 - Serial Number 582
May and June 2020
Pages 463-468

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History

  • Receive Date: 30 May 2020
  • Revise Date: 02 November 2024
  • Accept Date: 06 April 2022

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