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2. Dental diagnosis for inlay restoration using an intraoral optical coherence tomography system: A case report
  
  Explore jstage.jst.go.jp Jun 10 2022 Dentistry
  
  Patients: The patient was a 32-year-old man who underwent amalgam restoration of the mandibular right second molar. An amalgam restoration fracture was diagnosed by intraoral optical coherence tomography (OCT), and pulp exposure was examined during cavity preparation. Subsequently, a definitive ceramic restoration was fabricated, and the marginal fit in the oral cavity was evaluated using the OCT system. Discussion: The existing OCT system cannot acquire images inside the oral cavity ...
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  Mentions: Kyungpook National University Huvitz
3. Non-destructive morphological observation of anatomical growth process in Haemaphysalis Longicornis tick specimens using optical coherence tomography
  
  Explore Home - IOS Press Feb 7 2022 Developmental Biology , NDE/NDT , Other Non-Medical
  
  Background: Ticks are known as the representatives of hematophagous arachnids. They cause various tick-borne diseases, such as severe fever with thrombocytopenia syndrome (SFTS) and Lyme disease. To understand the mechanism of virus infection caused by ticks, morphology for the anatomical characteristics of crucial organs has been widely studied in acarological fields. The conventional methods used for tick observation have inevitable limitations. Dissection is the standard method to obtain the morphological ...
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  Mentions: Kyungpook National University
4. Virtual intraoperative optical coherence tomography angiography integrated surgical microscope for simultaneous imaging of morphological structures and vascular maps in vivo
  
  Explore ScienceDirect Jan 14 2022 Ophthalmology
  
  Intraoperative surgical microscopy integrated with optical coherence tomography (OCT) has improved the accuracy and safety of surgeries by providing a visualization of the sub-surface tissue structure. Although intraoperative OCT has resolved the conventional limitations of the surgical microscope, it is still remained to provide additional informative blood vessel-related data that is required to enhance the stability of surgery by minimizing bleeding and tissue damage. In this paper, we developed a ...
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  Mentions: Kyungpook National University
5. Localized vibrations incorporated thickness assessment of cadaveric tympanic membranes using Doppler-optical coherence tomography
  
  Explore ScienceDirect Dec 29 2021 Otolaryngology
  
  Vibrations of the tympanic membrane (TM) play a key role in the diagnosis of the middle ear in hearing research. The thickness is one of the factors that determines performance analysis of the TM and plays an important role in forming vibration patterns. When the thickness of TM is changed for various reasons, the vibration pattern is also changed, which interferes with sound transmission. The previously reported studies of measuring ...
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  Mentions: Kyungpook National University
6. Quantitative Trait Locus Analysis of Microscopic Phenotypic Characteristic Data Obtained Using Optical Coherence Tomography Imaging of Rice Bacterial Leaf Blight Infection in the Field
  
  Explore MDPI Open Access Journals Platform Aug 16 2021 Other Non-Medical
  
  Rapid climate change has increased the incidence of various pests and diseases, and these threaten global food security. In particular, BLB (bacterial leaf blight) is caused by Xoo ( Xanthomonas oryzae pv. oryzae ) and its main characteristic is that the rice suddenly dries and withers. Recently, omics have been effectively used in agriculture. In particular, it is a key technology that can accurately diagnose diseases in the field. Until now, QTL ...
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  Mentions: Kyungpook National University
7. Non-Invasive Optical Coherence Tomography Data-Based Quantitative Algorithm for the Assessment of Residual Adhesive on Bracket-Removed Dental Surface
  
  Explore MDPI Open Access Journals Platform Jul 25 2021 Dentistry
  
  The aim of this study was to quantitatively assess the residual adhesive on orthodontic ceramic bracket-removed dental surface. In orthodontic process, ceramic bracket was repeated debonding physically, then the adhesive remained on the dental surface. The residual adhesive caused a lack of adhesive strength between dental and ceramic bracket. Since commonly used adhesive in orthodontics is translucent, residual adhesive is hard to be detected with conventional microscopes. Therefore, 1310 nm ...
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  Mentions: Kyungpook National University
8. Micron-scale human enamel layer characterization after orthodontic bracket debonding by intensity-based layer segmentation in optical coherence tomography images
  
  Explore Nature Publishing Group May 27 2021 Dentistry
  
  In clinical orthodontic practice, fixed brackets are widely used for tooth movement and adjustments. Although years of research and development have improved the workability of fixed orthodontic brackets, there are still controversies regarding its plausible destructive influence on the enamel surface of tooth. This, in turn, makes the quantitative assessment of the enamel surface after specific orthodontic treatment procedures important in order to opt for the most effective treatment procedure ...
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  Mentions: Kyungpook National University
9. Development of fully automated anterior chamber cell analysis based on image software
  
  Explore Nature Publishing Group May 23 2021 Ophthalmology
  
  Optical coherence tomography (OCT) is a noninvasive method that can quickly and accurately examine the eye at the cellular level. Several studies have used OCT for analysis of anterior chamber cells. However, these studies have several limitations. This study was performed to supplement existing reports of automated analysis of anterior chamber cell images using spectral domain OCT (SD-OCT) and to compare this method with the Standardization of Uveitis Nomenclature (SUN ...
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  Mentions: Kyungpook National University
10. Ultrahigh-speed spectral domain optical coherence tomography up to 1 MHz A-scan rate using space-time division multiplexing
  
  Explore IEEE Xplore Apr 28 2021
  
  The primary optimization of the imaging speed of optical coherence tomography (OCT) has been keenly studied. In order to overcome the major speed limitation of spectral-domain OCT (SD-OCT), we developed an ultrahigh speed SD-OCT system, with an A-scan rate of up to 1 MHz, using the method of space-time division multiplexing (STDM). Multi-cameras comprising a single spectrometer was implemented in the developed ultrahigh-speed STDM method to eliminate the dead time ...
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  Mentions: Kyungpook National University
11. Optical Coherence Tomography for Quantifying Human Cutaneous Chronic Graft-versus-Host Disease
  
  Explore ScienceDirect Mar 30 2021 Dermatology
  
  Chronic graft-versus-host disease (cGVHD) is the most common cause of nonrelapse mortality after allogeneic hematopoietic cell transplantation (alloHCT). Cutaneous cGVHD is characterized by thickening of the skin and connective tissues, causing discomfort and limited mobility. Current assessment of these skin lesions is based on physical examination of their thickening, pinchability, and movability. Optical coherence tomography (OCT) is a noninvasive, high-resolution technique using near-infrared light to interrogate tissues and image the ...
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  Mentions: Kyungpook National University
12. Integrated Quad-Scanner Strategy-Based Optical Coherence Tomography for the Whole-Directional Volumetric Imaging of a Sample
  
  Explore MDPI Open Access Journals Platform Feb 16 2021
  
  Whole-directional scanning methodology is required to observe distinctive features of an entire physical structure with a three dimensional (3D) visualization. However, the implementation of whole-directional scanning is challenging for conventional optical coherence tomography (OCT), which scans a limited portion of the sample by utilizing unidirectional and bidirectional scanning methods. Therefore, in this paper an integrated quad-scanner (QS) strategy-based OCT method was implemented to obtain the whole-directional volumetry of a sample ...
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  Mentions: Kyungpook National University
13. Identification of Organs Inside Hard Tick Body Using Spectral-domain Optical Coherence Tomography
  
  Explore ScienceDirect Jan 24 2021 NDE/NDT , Other Non-Medical
  
  Ixodidae tick, also known as a hard tick, is one of the major vectors of various tick-borne diseases. Studying its anatomy is the fundamental approach for diverse acarological studies and the key to understanding tick morphology. However, the conventional methods of observing internal organs rely primarily on dissection, which damages specimens irrecoverably. In this study, we developed an optical coherence tomography (OCT) system to non-invasively investigate the morphological characteristics of ...
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  Mentions: Kyungpook National University
14. A preliminary study of post-progressive nail-art effects on in vivo nail plate using optical coherence tomography-based intensity profiling assessment
  
  Explore Nature Publishing Group Jan 14 2021 Dermatology
  
  Nail beautification is a widely applied gender independent practice. Excessive nail beautifications and nail-arts have a direct impact on the nail structure and can cause nail disorders. Therefore, the assessment of post-progressive nail-art effects on the nail is essential to maintain optimal nail health and to avoid any undesirable disorders. In this study, in vivo nails were examined in control stage, with a nail-art stage, and after removing the nail-art ...
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  Mentions: Kyungpook National University
15. Optical Coherence Tomography for Quantifying Human Cutaneous Chronic Graft-versus-Host Disease: OCT for cGvHD
  
  Explore ScienceDirect Dec 30 2020 Ophthalmology
  
  Chronic graft versus host disease (cGvHD) is the most common cause of non-relapse mortality after allogeneic hematopoietic cell transplant (alloHCT). Cutaneous cGvHD is characterized by thickening of the skin and connective tissues resulting in discomfort and limitations in mobility. Current assessments of these skin lesions are based on physical examination of their thickening, pinchability, and movability. Optical coherence tomography (OCT) is a non-invasive, high-resolution technique using near infra-red light to ...
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  Mentions: Kyungpook National University
16. Vision-Inspection-Synchronized Dual Optical Coherence Tomography for High-Resolution Real-Time Multidimensional Defect Tracking in Optical Thin Film Industry
  
  Explore IEEE Xplore Oct 31 2020 NDE/NDT
  
  Large-scale product inspection is an important aspect in thin film industry to identify defects with a high precision. Although vision line scan camera (VLSC)-based inspection has been frequently implemented, it is limited to surface inspections. Therefore, to overcome the conventional drawbacks, there is a need to extend inspection capabilities to internal structures. Considering that VLSC systems have access to rich information, such as color and texture, high-resolution real-time multimodal ...
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  Mentions: University of Ulsan Kyungpook National University
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