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首页> 外文期刊>International Journal of Dental Research >A comparative study to diagnose the accuracy of E-speed film, complimentary metal oxide semiconductor and storage phosphor systems in the detection of proximal caries: An in vitro study
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A comparative study to diagnose the accuracy of E-speed film, complimentary metal oxide semiconductor and storage phosphor systems in the detection of proximal caries: An in vitro study

机译：诊断E速膜，互补金属氧化物半导体和存储磷光体系统在检测近端龋齿中的准确性的比较研究：一项体外研究

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Background: Dental caries is one of the most commonly encountered conditions in clinical dentistry and these lesions remain undetected when confined to the vicinity of inter-proximal surfaces. Radiography plays a key role in the detection of inter-proximal caries especially in tight contacts. Objectives: The purpose of this study was to compare the diagnostic accuracy of E-speed film, complementary metal oxide semiconductors (CMOS) and storage phosphor systems (PSP) in the detection of proximal caries of the posterior teeth. Methods: Conventional films, CMOS and PSP images were used in detecting proximal caries on mesial and distal surfaces of 63 teeth (126 surfaces). Interpretation of all digital and conventional radiographs were performed and reanalyzed by four observers. The collected data was subjected to statistical analysis using chi square test, weighed kappa statistics and spearman rank correlation coefficient. Results: The PSP images showed more accurate results in identifying normal tooth, enamel caries, dentinal caries and deep dental caries and kappa statistics had represented almost perfect reading of 0.8 – 0.9 for PSP images whereas CMOS images showed substantial reading of 0.6 – 0.7, and for IOPA images it showed moderate reading of 0.5 – 0.6, which stated that the higher inter-observer agreement was obtained for PSP images when compared with images taken by IOPA and CMOS. The intra-observer reliability by kappa statistics had shown highly significant value (0.82) in the present study. Conclusion: Conventional films, CMOS and PSP images had shown almost appropriate results in the detection of proximal caries but PSP receptors were better in disclosing the details more accurately in terms of delineating the actual extent of the lesion pertaining to their high resolution capacity and further their flexibility made them easier during handling the radiograph, when compared with that of rigid CMOS receptors.
机译：背景：龋齿是临床牙科中最常遇到的疾病之一，当局限于近牙间表面附近时，这些病变仍未被发现。放射线照相在近端龋齿的检测中起着关键作用，尤其是在紧密接触中。目的：本研究的目的是比较E速膜，互补金属氧化物半导体（CMOS）和存储磷光体系统（PSP）在检测后牙近端龋齿中的诊断准确性。方法：使用常规胶片，CMOS和PSP图像检测63颗牙齿（126个表面）的中，远表面的近端龋齿。由四名观察员进行了所有数字和常规射线照相的解释，并对其进行了重新分析。使用卡方检验，加权κ统计量和斯皮尔曼等级相关系数对收集的数据进行统计分析。结果：PSP图像在识别正常牙齿，牙釉质龋，牙本质龋和深层龋方面显示出更准确的结果，kappa统计数据显示PSP图像的读数几乎完美，为0.8 – 0.9，而CMOS图像的读数则为0.6 – 0.7，而对于IOPA图像，它显示0.5-0.6的中等读数，这表明与IOPA和CMOS拍摄的图像相比，PSP图像获得了更高的观察者间一致性。在本研究中，通过kappa统计资料得出的观察者内部可靠性显示出极高的价值（0.82）。结论：常规胶片，CMOS和PSP图像在检测近端龋方面显示了几乎合适的结果，但是PSP受体在描绘病变的实际范围（与高分辨率能力有关）以及进一步描述病变的实际范围方面更好地更准确地公开了细节与刚性CMOS接收器相比，柔性使它们在处理X射线照片时更容易。

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