Articles from lin-p'ing choo-smith

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  1. Ex vivo imaging of early dental caries within the interproximal space

    Explore Article SPIE Digital Library (Feb 18 2009) Dentistry

    Lin-P'ing Choo-Smith, Mark D. Hewko, Marc L. Dufour et al. Optical coherence tomography (OCT) is emerging as a technology that can potentially be used for the detection and monitoring of early dental enamel caries since it can provide high-resolution depth imaging of early lesions. To date, most caries detection optical technologies are well suited for exam ... [Proc. SPIE 7162, 716206 (2009)] published Wed Feb 18, 2009. (Read Full Article)

    Comment on Article Mentions:   Guy Lamouche   Marc L. Dufour   Mark D. Hewko

  2. Shedding New Light on Early Caries Detection

    Explore Article The Canadian Dental Association (Jan 8 2009) Dentistry

    Shedding New Light on Early Caries Detection Dental caries continues to be a common chronic disease among various population groups. Patient care can be improved with detection at the earliest stage. However, current techniques do not have sufficient sensitivity and specificity. We discuss 2 new methods — optical coherence tomography (OCT) and polarized Raman spectroscopy (PRS) — that are potentially useful for early caries detection and monitoring. OCT produces morphologic depth images of near-surface tissue structures with a resolution that is an order of magnitude greater than ultrasound imaging. Based on measurement of back-scattered near infrared light, OCT shows that sound enamel causes high-intensity back-scattering at the ... (Read Full Article)

    Comment on Article Mentions:   National Research Council Canada   Blaine M. Cleghorn   Lin-P'ing Choo-Smith

  3. Assessment of early demineralization in teeth using the signal attenuation in optical coherence tomography images

    Explore Article SPIE Digital Library (Oct 6 2008) Dentistry

    Dan P. Popescu, Michael G. Sowa, Mark D. Hewko et al. Optical coherence tomography imaging is used to improve the detection of incipient carious lesions in dental enamel. Measurements of signal attenuation in images acquired with an 850-nm light source were performed on 21 extracted molars from eight human volunteers. Stronger attenuation was observed ... [J. Biomed. Opt. 13, 054053 (2008)] published Mon Oct 6, 2008. (Read Full Article)

    Comment on Article Mentions:   National Research Council Canada   Michael G. Sowa   Lin-P'ing Choo-Smith

  4. Early dental caries detection using a fibre-optic coupled polarization-resolved Raman spectroscopic system

    Explore Article opticsinfobase.org (Apr 21 2008) Dentistry

    Alex C. Ko, Mark Hewko, Michael G. Sowa, Cecilia C. Dong, Blaine Cleghorn, Lin-P'ing Choo-Smith A new fibre-optic coupled polarization-resolved Raman spectroscopic system was developed for simultaneous collection of orthogonally polarized Raman spectra in a single measurement. An application of detecting incipient dental caries based on changes observed in Raman polarization anisotropy was ... [Opt. Express 16, 6274-6284 (2008)] (Read Full Article)

    Comment on Article Mentions:   Michael G. Sowa   Blaine M. Cleghorn   Mark D. Hewko

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