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两种磷光板系统中处理时间延迟与保护塑料盒的比较。

Comparison of the delay in processing time and protective plastic cases in two phosphor plate systems.

作者信息

Aktan Ali Murat, Ciftçi Mehmet Ertuğrul, Akgünlü Faruk

机构信息

Department of Oral and Maxillofacial Radiology, Gaziantep University, 27310 Gaziantep, Turkey.

出版信息

ScientificWorldJournal. 2012;2012:850764. doi: 10.1100/2012/850764. Epub 2012 Nov 7.

DOI:10.1100/2012/850764
PMID:23213301
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3504408/
Abstract

OBJECTIVE

The purpose of this study was to analyze two phosphor plate systems (PSPs) (Dürr Dental, Digora Optime) according to their scanning delay and protective plastic case performances.

METHODS

Two PSPs using an aluminum step wedge were exposed. These plates were placed in three different protective plastic cases (manufacturers' original cases, black case, and white case) before obtaining the radiographs and were then processed immediately and 1, 5, 10, 30, 60, 120, 240, and 480 min after exposure. Mean gray values (MGVs) of the 3rd, 5th, 7th, and 9th steps of the wedges were compared using ANOVA.

RESULTS

Statistically significant differences were found between the two PSPs (P < 0.001). ANOVA revealed that the MGVs of four steps of the wedges were significantly different from each other for all scan delays (P < 0.001). MGVs increased with increasing scanning delay, except the group with Dürr plates in their original cases. Reduction in image quality began 5 min after exposure in the other Dürr plate groups.

CONCLUSIONS

Within the limitations of the current study, it can be concluded that scanning delay causes a reduction in image quality, and using the manufacturer's original protective case will result in better performance of PSPs.

摘要

目的

本研究旨在根据扫描延迟和塑料保护盒性能分析两种磷光板系统（PSP）（Dürr Dental公司的Digora Optime）。

方法

使用铝质阶梯楔形板对两种PSP进行曝光。在获取射线照片之前，将这些板放置在三种不同的塑料保护盒（制造商原装盒、黑色盒和白色盒）中，然后立即以及在曝光后1、5、10、30、60、120、240和480分钟进行处理。使用方差分析比较楔形板第3、5、7和9步的平均灰度值（MGV）。

结果

发现两种PSP之间存在统计学显著差异（P < 0.001）。方差分析显示，对于所有扫描延迟，楔形板四步的MGV彼此之间存在显著差异（P < 0.001）。除了使用原装盒的Dürr板组外，MGV随扫描延迟增加而增加。在其他Dürr板组中，曝光后5分钟开始图像质量下降。

结论

在本研究的局限性内，可以得出结论，扫描延迟会导致图像质量下降，使用制造商原装保护盒将使PSP具有更好的性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/67d5b6dc67ab/TSWJ2012-850764.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/2e14c66dcc4c/TSWJ2012-850764.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/504127ca91e5/TSWJ2012-850764.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/130768d4f20a/TSWJ2012-850764.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/67d5b6dc67ab/TSWJ2012-850764.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/2e14c66dcc4c/TSWJ2012-850764.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/504127ca91e5/TSWJ2012-850764.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/130768d4f20a/TSWJ2012-850764.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f7ab/3504408/67d5b6dc67ab/TSWJ2012-850764.004.jpg

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