一种廉价的体外牙蚀过程研究光学方法的发展

A. M. F. Nasution, B. Noerjanto, L. Triwanto
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引用次数: 2

摘要

牙齿在消化食物、支撑面部结构以及发音方面起着重要作用。牙齿结构的异常可能是由于饮食或饮料的消耗而导致的侵蚀过程,导致破坏,影响其功能。研究导致牙齿异常的侵蚀过程对牙齿的护理和预防具有重要意义。为了能够量化牙齿的破坏程度,需要精确的测量方法作为研究工具。本文提出了一种廉价的光学方法作为研究牙蚀过程的工具。它是基于从三维牙齿视觉信息中提取参数。三维视觉图像是对从多个角度捕获的二维图像进行多次横向投影重建得到的。利用简单的步进电机和袖珍数码相机,获得了前磨牙的多投影二维图像序列。然后重建这些图像以产生三维图像,这对量化相关的牙侵蚀参数很有用。量化过程是由牙体体积的收缩以及由于侵蚀过程引起的表面特性获得的。定量结果与原子吸收光谱法测定牙中释放的溶解钙原子的定量结果相吻合。该方法将在许多工程、牙科和医学研究中作为可视化工具。这对于教育目的也是有用的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of an inexpensive optical method for studies of dental erosion process in vitro
Teeth have important roles in digestion of food, supporting the facial-structure, as well as in articulation of speech. Abnormality in teeth structure can be initiated by an erosion process due to diet or beverages consumption that lead to destruction which affect their functionality. Research to study the erosion processes that lead to teeth's abnormality is important in order to be used as a care and prevention purpose. Accurate measurement methods would be necessary as a research tool, in order to be capable for quantifying dental destruction's degree. In this work an inexpensive optical method as tool to study dental erosion process is developed. It is based on extraction the parameters from the 3D dental visual information. The 3D visual image is obtained from reconstruction of multiple lateral projection of 2D images that captured from many angles. Using a simple motor stepper and a pocket digital camera, sequence of multi-projection 2D images of premolar tooth is obtained. This images are then reconstructed to produce a 3D image, which is useful for quantifying related dental erosion parameters. The quantification process is obtained from the shrinkage of dental volume as well as surface properties due to erosion process. Results of quantification is correlated to the ones of dissolved calcium atom which released from the tooth using atomic absorption spectrometry. This proposed method would be useful as visualization tool in many engineering, dentistry, and medical research. It would be useful also for the educational purposes.
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