口腔填充材料对头部电子束放射治疗剂量分布的影响——基于FLUKA和MCNPX程序的蒙特卡罗研究

Q3 Health Professions

Iranian Journal of Medical Physics Pub Date : 2020-05-01 DOI:10.22038/IJMP.2019.36221.1460

Mohamad Reza Rezaie Rayeni Nejad, Reza Shahhedarypoor, S. Mohammadi, P. Parvaresh

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引用次数: 0

摘要

简介：放射治疗被认为是癌症头颈部患者的主要治疗方法。在这种方法中，牙科复合材料的后向散射辐射会损伤周围组织。材料和方法：本研究比较了电子束辐射对健康牙齿和用FLUKA和MCNPX2.6代码填充牙科材料的牙齿的影响。对由Amalgam和Ceramco材料组成的512 mm3立方齿进行了模拟。结果：模拟结果表明，与其他人相比，不可避免地用人工修复体填充牙齿的龋齿患者获得了更有效的剂量。此外，据透露，Ceramco比Amalgam更能增加辐射风险。因此，Amalgam是牙齿填充的正确选择。结论：根据所获得的结果，陶瓷材料比Amalgam更能增加患者的辐射风险；因此，建议使用Amalgam填充龋齿。

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Effect of Dental Filling Materials on Electron Beam Radiotherapy Dose Distribution in Head Region: a Monte Carlo Study by FLUKA and MCNPX Codes

Introduction: Radiation therapy is regarded as the mainstay treatment for head or neck cancer patients. In this method, the backscattered radiation of dental composites can damage the surrounding tissue. Material and Methods: The current study compared the effects of electron beam radiation on healthy teeth with the tooth filled with materials used in dentistry with FLUKA and MCNPX2.6 codes. The simulation was performed for a 512 mm3 cubic tooth composed of Amalgam and Ceramco materials. Results: The simulation results indicated that patients with dental caries who inevitably filled their teeth with artificial restorationreceived a more effective dose, as compared to others. Moreover, it was revealed that Ceramco increases the radiation risk more than Amalgam does. Therefore, Amalgam is the right choice for dental filling. Conclusion: Based on the obtained results, ceramic material poses patients to increased radiation risk more than Amalgam does; therefore, it is recommended that Amalgam be used to fill dental cavities.

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来源期刊

Iranian Journal of Medical Physics Health Professions-Radiological and Ultrasound Technology

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： Iranian Journal of Medical Physics (IJMP) is the official scientific bimonthly publication of the Iranian Association of Medical Physicists. IJMP is an international and multidisciplinary journal, peer review, free of charge publication and open access. This journal devoted to publish Original Papers, Review Articles, Short Communications, Technical Notes, Editorial and Letters to the Editor in the field of “Medical Physics” involving both basic and clinical research. Submissions of manuscript from all countries are welcome and will be reviewed by at least two expert reviewers.