Measurement of dose-width product in panoramic dental radiology

The National Radiological Protection Board has recommended the introduction of dose-width product (DWP) for the measurement of patient dose in panoramic dental radiology. The present work describes a method for measuring DWP using a pencil ionization chamber. The technique was tested on five panoram...

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Bibliographic Details
Published in:British journal of radiology 2003-02, Vol.76 (902), p.129-131
Main Authors: ISOARDI, P, ROPOLO, R
Format: Article
Language:English
Subjects:
Applied radiobiology (equipment, dosimetry...)
Biological and medical sciences
Biological effects of radiation
Fundamental and applied biological sciences. Psychology
Humans
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Otorhinolaryngology. Stomatology. Orbit
Radiation Dosage
Radiation Monitoring - methods
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Radiography, Panoramic
Radiometry
Reproducibility of Results
Tissues, organs and organisms biophysics
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Summary:The National Radiological Protection Board has recommended the introduction of dose-width product (DWP) for the measurement of patient dose in panoramic dental radiology. The present work describes a method for measuring DWP using a pencil ionization chamber. The technique was tested on five panoramic dental units; the reproducibility of the method was 5.7%. In order to test the method, DWP was also assessed using thermoluminescent dosemeters and film. The results obtained agreed within 8.6% with those obtained using the pencil ionization chamber method. The proposed method appears to be simple and precise.
ISSN:0007-1285
1748-880X
DOI:10.1259/bjr/58851704