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Radiation Protection Dosimetry Advance Access originally published online on March 28, 2008
Radiation Protection Dosimetry 2008 129(1-3):227-230; doi:10.1093/rpd/ncn078
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© The Author 2008. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Dental radiology dosimetric data as routinely collected in an Italian hospital

J. Fogli1,2,*, C. Carpentieri1,2, A. Del Guerra1, M. E. Fantacci1, A. Marchi3, V. Marzulli3 and A. Tofani3

1 Physics Department and INFN, University of Pisa, Largo Bruno Pontecorvo, 3, 56127 Pisa, Italy
2 Scuola di Specializzazione in Fisica Sanitaria, University of Pisa, Pisa, Italy
3 U.O. di Fisica Sanitaria—Azienda Ospedaliera 6 di Livorno, Viale Alfieri 36, 57100 Livorno, Italy

* Corresponding author: fogli{at}df.unipi.it

The work presented here was developed in the framework of the SENTINEL Project and is devoted to the analysis of dental radiology dosimetric data. The procedure of data processing allows the analysis of some important aspects related to the protection of the patient and the staff because of the position of the operators near the patient and their exposure to the radiation scattered by the patient. Dental radiology data was collected in an Italian hospital. Following the Italian quality assurance (QA) protocols and suggestions by the leaders of the SENTINEL Project, X-ray equipment performances have been analysed in terms of: kVp accuracy, exposure time accuracy and precision, tube output, dose reproducibility and linearity, beam collimation, artefacts and light tightness. Referring to these parameters the physical quality index (QI) was analysed. In a single numerical value between 0 and 1, QI summarises the results of quality tests for radiological devices. The actual impact of such a figure (as suggested by international QA protocols or as adopted by local QA routine) on the policy of machine maintenance and replacement is discussed.


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