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首页> 外文会议>Recent advances in applied amp; biomedical informatics and computational engineering in systems applications >En face OCT imagistic evaluation and laser microspectral analysis for assessing microleakage at the prosthetic interfaces
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En face OCT imagistic evaluation and laser microspectral analysis for assessing microleakage at the prosthetic interfaces

机译：面对OCT影像学评估和激光显微光谱分析，以评估假体界面的微渗漏

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摘要

The microleakage at the prosthetic interface, for example between the metallic framework and the veneering part of the fixed partial prostheses (FPP's) is a common problem in dentistry. Optical tomographic techniques are of particular importance in the medical imaging field, because these techniques can provide non-invasive diagnostic images. En-face OCT is preferred for microscopy as it can provide real time images with similar orientation as that of microscopy images. The purpose of this study is to detect and analyze the possible defects at the interface of several FPP's using en face optical coherence tomography (efOCT) and laser microspectral analysis, a method which allows to investigate small quantities of materials of around 0.1 μg and to establish the content of atoms and molecules and to perform semi-quantitative and quantitative analysis. By this method it is possible to establish trace elements, i. e. with concentration of ppm (parts per million). The advantages of the OCT method consist in non-invasiveness and high resolution. En face OCT investigations permit to visualize a more complex stratified structure at the interface metallic framework/veneering material.
机译：假牙界面处的微渗漏，例如金属框架和固定部分假牙（FPP's）的饰面部分之间的微渗漏是牙科领域的常见问题。光学层析成像技术在医学成像领域特别重要，因为这些技术可以提供非侵入性的诊断图像。 En-face OCT是显微术的首选，因为它可以提供具有与显微术图像类似的方向的实时图像。这项研究的目的是使用表面光学相干断层扫描（efOCT）和激光显微光谱分析来检测和分析几种FPP界面上的可能缺陷，该方法可以研究少量约0.1μg的材料并建立原子和分子的含量并进行半定量和定量分析。通过这种方法，可以建立痕量元素，即。 e。浓度为ppm（百万分之一）。 OCT方法的优势在于无创性和高分辨率。面对OCT研究，可以在界面金属框架/饰面材料上看到更复杂的分层结构。

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