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首页> 外文期刊>Computer methods in biomechanics and biomedical engineering >Dental wear estimation using a digital intra-oral optical scanner and an automated 3D computer vision method
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Dental wear estimation using a digital intra-oral optical scanner and an automated 3D computer vision method

机译:使用数字口腔光学扫描仪和自动3D计算机视觉方法估算牙齿磨损

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摘要

The objective of this work was to propose an automated and direct process to grade tooth wear intra-orally. Eight extracted teeth were etched with acid for different times to produce wear and scanned with an intra-oral optical scanner. Computer vision algorithms were used for alignment and comparison among models. Wear volume was estimated and visual scoring was achieved to determine reliability. Results demonstrated that it is possible to directly detect submillimeter differences in teeth surfaces with an automated method with results similar to those obtained by direct visual inspection. The investigated method proved to be reliable for comparison of measurements over time.
机译:这项工作的目的是提出一种自动和直接的方法来对口腔内的牙齿磨损进行分级。用酸蚀刻八个拔出的牙齿不同的时间以产生磨损,并用口腔内光学扫描仪进行扫描。计算机视觉算法用于模型之间的对齐和比较。估算了磨损量,并通过视觉评分确定了可靠性。结果表明,可以通过自动化方法直接检测牙齿表面的亚毫米差异,其结果与通过直接视觉检查获得的结果相似。经证实,所研究的方法对于随时间进行测量比较是可靠的。

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