Ionizing radiation is a well-established risk factor for
cancer.1–7 However, despite the fact that most dental
offices and clinics have x-ray machines that are in
frequent use,8 the exposure of dental workers to ionizing
radiation and the associated potential cancer risk have been
assessed in only a few studies. It appears that there has been
a downward trend in the occupational dose of ionizing radiation
received by dental workers, which provides evidence