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Updated: Jun 16, 2026

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评估数字咬翅放射片中后处理设置对近距离虫检测的影响

Mehrdad Abdinian1, Forooz Keshani2, Fateme Sadeghi3

  • 1Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran.

Clinical and experimental dental research
|May 7, 2024
PubMed
概括

在数字牙科放射图中调整亮度和对比度可显著改善近位的检测. 这些图像设置比噪音或度调整更有效,用于准确诊断.

关键词:
牙腐烂是指牙的腐烂.数字辐射学数字辐射学在口腔内进行放射学.辐射学 放射学 辐射学

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Effects of EDTA on End-Point Detection Methods01:18

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...