后牙牙髓腔的多光谱短波红外图像。
Multispectral SWIR images of the pulp-chamber of posterior teeth .
作者信息
Simon Jacob C, Mogire Emmanuel O, Yun Sam Y, Fried Daniel
机构信息
University of California, San Francisco, San Francisco, Ca 94143-0758.
出版信息
Proc SPIE Int Soc Opt Eng. 2021 Mar;11627. doi: 10.1117/12.2584900. Epub 2021 Mar 5.
Abstract
Intraoral imaging of teeth with SWIR light provides increased contrast of dental caries and restorative materials compared to visible inspection and digital radiography. The objective of this study was to investigate the SWIR optical properties of the dental pulp-chamber floor, walls and canal orifices. We imaged extracted human posterior teeth at 1300-nm and 1500-1700-nm in reflectance and transillumination and compared the tissues properties with visible light images and quantitative light fluorescence. Transillumination of posterior teeth at both 1300-nm and 1500-1700-nm yielded significantly higher contrast between the pulp-chamber floor and walls than all other methods tested.
摘要
与目视检查和数字射线照相相比，使用短波红外光对牙齿进行口腔内成像可提高龋齿和修复材料的对比度。本研究的目的是研究牙髓腔底部、壁和根管口的短波红外光学特性。我们在1300纳米以及1500 - 1700纳米波长下对拔除的人类后牙进行反射和透照成像，并将组织特性与可见光图像和定量光荧光进行比较。在1300纳米以及1500 - 1700纳米波长下对后牙进行透照，牙髓腔底部和壁之间产生的对比度明显高于所有其他测试方法。
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