Objectives : South Korea has the highest percentage of female dental hygienists who practice dental radiography. However, there is lack of studies on radiation exposure in dental hygienists. The objective of this study was to investigate representative general characteristics and occupational radiat...
Objectives : South Korea has the highest percentage of female dental hygienists who practice dental radiography. However, there is lack of studies on radiation exposure in dental hygienists. The objective of this study was to investigate representative general characteristics and occupational radiation exposure status of female dental hygienists.
Methods : In 2012 and 2013, The Ministry of Food and Drug Safety and National Institute of Food and Drug Safety Evaluation of Diagnostic Radiology published a cohort study on the health effects based on data from 1,002 female dental hygienists. The data obtained were general characteristics, occupational characteristics, and work frequency by radiation procedure, including the frequency of analyses. Among the 1,002 participants, general and occupational characteristics were included from only 284 participants with known level of radiation. Statistical analyses included T test, Trend test and ANOVA.
Results : A total of 1,002 participants were included in the study. Age, type of medical facility, level of education, location of medical facility were studied in the female participants, of which, 80% were < 34 years old, 77% were working in a dental hospital / dental clinic, 67% had 2 or 3 years college education, and 57%worked in metropolises. The occupational characteristics were as follows; female dental hygienists separated from patients completely (23%), wearing lead apron (22%), wearing a thyroid shield (14%) and without a dosimeter (40%). The most frequent practice of female dental hygienists was panoramic radiography (80%), and intraoral dental X-ray (78%). Two-hundred and eighty-four participants in diagnostic radiology department had an average annual effective dose of 0.18 mSv and total cumulative effective dose of 0.60 mSv.
Conclusion : The study determined the occupational radiation exposure of female dental hygienists in South Korea. Radiation safety management is very important, while a safe working environment is necessary for female dental hygienists. Thus, more detailed monitoring is required.
Objectives : South Korea has the highest percentage of female dental hygienists who practice dental radiography. However, there is lack of studies on radiation exposure in dental hygienists. The objective of this study was to investigate representative general characteristics and occupational radiation exposure status of female dental hygienists.
Methods : In 2012 and 2013, The Ministry of Food and Drug Safety and National Institute of Food and Drug Safety Evaluation of Diagnostic Radiology published a cohort study on the health effects based on data from 1,002 female dental hygienists. The data obtained were general characteristics, occupational characteristics, and work frequency by radiation procedure, including the frequency of analyses. Among the 1,002 participants, general and occupational characteristics were included from only 284 participants with known level of radiation. Statistical analyses included T test, Trend test and ANOVA.
Results : A total of 1,002 participants were included in the study. Age, type of medical facility, level of education, location of medical facility were studied in the female participants, of which, 80% were < 34 years old, 77% were working in a dental hospital / dental clinic, 67% had 2 or 3 years college education, and 57%worked in metropolises. The occupational characteristics were as follows; female dental hygienists separated from patients completely (23%), wearing lead apron (22%), wearing a thyroid shield (14%) and without a dosimeter (40%). The most frequent practice of female dental hygienists was panoramic radiography (80%), and intraoral dental X-ray (78%). Two-hundred and eighty-four participants in diagnostic radiology department had an average annual effective dose of 0.18 mSv and total cumulative effective dose of 0.60 mSv.
Conclusion : The study determined the occupational radiation exposure of female dental hygienists in South Korea. Radiation safety management is very important, while a safe working environment is necessary for female dental hygienists. Thus, more detailed monitoring is required.
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