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| The monitoring status of the dental X-ray machine room and the personal dose of the dental radiators in Shenzhen City |
| ZHU Jiancong, LIN Yongqin, ZHANG Yi, LUO Jigan, WANG Junsheng, WANG Xiaoqiang, CAI Jinmin |
| Shenzhen Prevention and Treatment Center for Occupational Disease, Shenzhen 518000 China |
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Abstract Objective To understand the shielding condition of dental X-ray room in ShenZhen and the personal dose monitoring status of dental radiation workers.Methods The ATOMTEX AT1123X-γ radiation detector was used to detect the dental X-ray machine room and cumulative dose of occupational exposure to dental radiation was measured by the thermoluminescence personal dose monitoring method.Results According to the survey results of the three years from 2014 to 2016, the cumulative dose of external dose of dental radiation did exceed; There was some ray leakage phenomenon in the room, and the linear trend of chi-square test showed that the dental room was qualified in 2014-2016 The rate is on the rise.Conclusion There is a partial leakage in the dental X-ray machine room, but the overall exposure dose of dental radiators is low, and radiation protection management and personal dose monitoring are still needed and protection training be strengthened.
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Received: 26 August 2017
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