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Development of Polarization Dental Imaging Modality and Evaluation of its Clinical Feasibility

机译：偏振牙科成像技术的发展及其临床可行性评估

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Recently, it has become more important to objectively analyze teeth color in terms of esthetical point of view. In the evaluation of tooth color, the specular reflection caused by saliva on tooth may cause artifacts in analysis. In this study, a polarization dental imaging modality (PDIM) was developed to address the specular reflection problems. Clinical validity was evaluated by performing three studies such as shade-guide selection for implant, plaque distribution detection, and evaluation of tooth whitening. In the selection of shade-guide, in-vivo human teeth and shade-guide color images were obtained. The minimum color difference between shade-guide and tooth was calculated using Euclidian distance. In the plaque distribution detection, teeth disclosing agent was used to differentiate plaque from teeth and images were taken. In the evaluation of whitening, whiteness indices were calculated using 29 shade-guide images. Results presented that the new imaging modality could provide reproducible images by effectively removing the specular reflection on teeth surface and therefore, minimize artifacts in the quantitatively analysis of shade-guide selection, plaque detection, and tooth whitening. In conclusion, the PDIM potentially proved its clinical efficacy as a new imaging modality.

机译：近年来，从美学的观点出发客观地分析牙齿的颜色变得更加重要。在评估牙齿颜色时，唾液在牙齿上引起的镜面反射可能会引起分析假象。在这项研究中，开发了偏振牙科成像模态（PDIM）来解决镜面反射问题。通过进行三项研究来评估临床有效性，例如选择用于植入物的遮荫板选择，菌斑分布检测以及牙齿增白评估。在选择阴影引导时，获得了人体内牙齿和阴影引导的彩色图像。阴影引导和牙齿之间的最小色差使用欧几里德距离来计算。在牙斑分布检测中，使用牙齿暴露剂将牙斑与牙齿区分开并拍摄图像。在美白评估中，使用29个阴影引导图像计算白度指数。结果表明，新的成像方式可以通过有效去除牙齿表面的镜面反射来提供可重现的图像，因此可以在对阴影引导选择，牙菌斑检测和牙齿增白的定量分析中将伪影最小化。总之，PDIM可能证明了其作为一种新的成像方式的临床疗效。

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来源
《Lasers in dentistry XVII》|2011年|p.78840D.1-78840D.8|共8页
会议地点 San Francisco CA(US)
作者
Eunji Kim; Taeyoon Son; Yunjin Bae; Byungjo Jung;
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作者单位

Department of Biomedical Engineering, Yonsei University, Wonju, Korea;

Department of Biomedical Engineering, Yonsei University, Wonju, Korea;

Department of Biomedical Engineering, Yonsei University, Wonju, Korea;

Department of Biomedical Engineering, Yonsei University, Wonju, Korea Institute of Medical Engineering, Yonsei University, Wonju, Korea;

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原文格式 PDF
正文语种 eng
中图分类牙及牙槽骨外科;激光技术、微波激射技术;
关键词
dental imaging; polarization; shade guide; plaque; tooth whitening;

机译：牙齿成像偏振;阴影指南；牌匾;牙齿增白;

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Development of Polarization Dental Imaging Modality and Evaluation of its Clinical Feasibility

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