口腔全景DR影像质量控制的思考

Quality control of dental panoramic digital radiography photograph

目的:探讨口腔全景DR影像质量控制方法。方法:随机抽取360例口腔全景DR摄片图像资料,按照甲级片标准评定一、二、三级片及废片,探讨不同等级全景片的成因,总结提高影像质量的方法。结果:一级片235例、二级片125例、三级片0例,无废片,一级片率65%。结论:患者积极配合,技师规范操作,可有效提高口腔全景DR影像质量。

Objective:The quality control method of dental panoramic film is analyzed and discussed.Methods:Data of 360 dental panoramic cases were randomly selected.The quality of photograph was evaluated according to the standards.Discuss its cause and improvement methods.Results:The proportion of the grade I photograph is 65%.Conclusion:The quality of photograph would be improved by patient`s cooperation and regulating the method of operation.