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Near Infrared Optical Imaging Of Early Dental Caries
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Book Synopsis Near Infrared Optical Imaging of Early Dental Caries by : Robert Simon Jones
Download or read book Near Infrared Optical Imaging of Early Dental Caries written by Robert Simon Jones and published by . This book was released on 2006 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The future role of NIR transillumination is likely to be a detection system, capable of screening the dentition for early decay, with PS-OCT providing more valuable diagnostic information on lesion assessment, especially with occlusal lesions.
Book Synopsis In Pursuit of an Optimum Optical Imaging Technology for Early Detection of Dental Caries by : Elnaz Baradaran Shokouhi
Download or read book In Pursuit of an Optimum Optical Imaging Technology for Early Detection of Dental Caries written by Elnaz Baradaran Shokouhi and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clinical caries detection techniques, such as radiographs, are not sensitive to detect and monitor the progression of caries at early stages. In recent years, several optics-based imaging modalities have been proposed for early detection of caries. In this thesis, we report on a systemic comparative study on the performances of optical coherence tomography and thermophotonic lock-in imaging (TPLI) as early caries detection imaging modalities based on light scattering and absorption, respectively. Through controlled demineralization on extracted human teeth, our results suggest that TPLI provides better sensitivity and detection threshold in detecting early stages of caries. The outcome justifies the need for a light-absorption based imaging modality to produce depth-resolved images. Therefore, preliminary imaging studies on a 3-D imaging platform known as a Truncated-Correlation Photothermal Coherence Tomography (TC-PCT) system was conducted to achieve optimal diagnostic yield. The results demonstrate that TC-PCT can detect early caries with significant enhancement in depth-resolution.
Book Synopsis Near-infrared Imaging of Artificial Enamel Caries Lesions with a Scanning Fiber Endoscope by : Robert Chulsung Lee
Download or read book Near-infrared Imaging of Artificial Enamel Caries Lesions with a Scanning Fiber Endoscope written by Robert Chulsung Lee and published by . This book was released on 2019 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several studies have shown that near-infrared imaging has great potential for detection of dental caries lesions. A miniature scanning fiber endoscope (SFE) operating at near-infrared (NIR) wavelengths was developed and used in this study to test whether the device could be used to discriminate demineralized enamel from sound enamel. Varying depths of artificial enamel caries lesions were prepared on twenty bovine blocks with smooth enamel surfaces. Samples were imaged with a SFE operating in the reflectance mode at 1310-nm and 1460-nm in both wet and dry conditions. The measurements acquired by the SFE operating at 1460-nm show significant difference between the sound and the demineralized enamel. There was a moderate positive correlation between the SFE measurements and micro-CT measurements, and the NIR SFE was able to detect the presence of demineralization with high sensitivity (0.96) and specificity (0.85). This study demonstrates that the NIR SFE can be used to detect early demineralization from sound enamel. In addition, the NIR SFE can differentiate varying severity of demineralization. With its very small form factor and maneuverability, the NIR SFE should allow clinicians to easily image teeth from multiple viewing angles in real-time.
Book Synopsis Imaging and Detection of Early Stage Dental Caries with an All-optical Photoacoustic Microscope by :
Download or read book Imaging and Detection of Early Stage Dental Caries with an All-optical Photoacoustic Microscope written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomedical Optical Imaging Technologies by : Rongguang Liang
Download or read book Biomedical Optical Imaging Technologies written by Rongguang Liang and published by Springer Science & Business Media. This book was released on 2012-09-21 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to design of biomedical optical imaging technologies and their applications. The main topics include: fluorescence imaging, confocal imaging, micro-endoscope, polarization imaging, hyperspectral imaging, OCT imaging, multimodal imaging and spectroscopic systems. Each chapter is written by the world leaders of the respective fields, and will cover: principles and limitations of optical imaging technology, system design and practical implementation for one or two specific applications, including design guidelines, system configuration, optical design, component requirements and selection, system optimization and design examples, recent advances and applications in biomedical researches and clinical imaging. This book serves as a reference for students and researchers in optics and biomedical engineering.
Book Synopsis Detection and Assessment of Dental Caries by : Andrea Ferreira Zandona
Download or read book Detection and Assessment of Dental Caries written by Andrea Ferreira Zandona and published by Springer Nature. This book was released on 2019-11-06 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains how to optimize clinical conditions for detection of the earliest visible signs of dental caries and how best to assess caries activity as a basis for effective management. The available evidence from the literature on detection criteria and methods is distilled and placed in a clinical context to facilitate implementation in clinical practice. Guidance is offered on removal of the dental biofilm and the potential impact of various factors on the performance of different caries detection devices. The histological changes that occur during the caries process and their effect on the clinical appearance of caries lesions are explained. In addition, several caries classification systems based on visual detection criteria and designed to allow staging are presented. Consideration is also given to currently marketed detection aids, including methods involving light fluorescence, transillumination, and radiography. In each case, a summary of the detection performance, based on available supporting evidence, is tabulated together with advice on appropriate clinical application. The reader will find the text to be clearly written and informative, with many supporting clinical images.
Book Synopsis Basic Guide to Anatomy and Physiology for Dental Care Professionals by : Carole Hollins
Download or read book Basic Guide to Anatomy and Physiology for Dental Care Professionals written by Carole Hollins and published by John Wiley & Sons. This book was released on 2012-07-18 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Basic Guide to Anatomy and Physiology for Dental Care Professionals introduces the fundamentals of human anatomy and physiology to the student Dental Care Professional. Written in a clear, accessible style, it provides dental nurses, hygienists, therapists and clinical dental technicians with essential grounding in the head and neck area, as well as all the body systems that have implications for the DCP when things go wrong. Beginning with a definition of anatomy and physiology, and with all the basics of cell, tissue and organ biology, this Basic Guide covers: the cardiovascular, respiratory and digestive systems, all of which are central to the DCP curriculum core areas such as skull and oral anatomy, periodontal tissues, blood and nerve supply to the oral cavity, muscles of mastication, and major salivary glands areas such as jaw and tooth development, and the histology or oral and dental tissue Each area is covered separately and in depth, giving the reader an understanding of their structure and function in health as well as illnesses relevant to medical emergencies and dental-related disorders (such as acid reflux which causes tooth erosion).
Book Synopsis Raman, Infrared, and Near-Infrared Chemical Imaging by : Slobodan Sasic
Download or read book Raman, Infrared, and Near-Infrared Chemical Imaging written by Slobodan Sasic and published by John Wiley & Sons. This book was released on 2011-09-14 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: An all-inclusive guide on the analytical methods of Raman, infrared, and near-infrared chemical imaging An underutilized technology, chemical imaging through Raman, infrared (IR), and near-infrared (NIR) is beginning to gain recognition for its non-destructive method of permitting visualization of spatially resolved chemical information. This type of analysis is triggering a groundswell of demand as manufactured materials become more complex and the need for greater scrutiny and less damaging research practices is at a premium. Concentrating on the applications of chemical imaging, this book presents a thorough background on the theory, software, and hardware employed in this analytical technique. With full examination of this rapidly growing field, this book: Combines many different aspects and applications into one comprehensive volume Discusses how chemical imaging techniques have expanded greatly in terms of instruments and applications, but have lagged in general awareness among scientists and industries that would benefit the most from them Describes chemical imaging uses in key areas—biomedical, pharmaceutical, food, and polymer research Has chapters that outline hardware and instrumentation for the different methods of chemical imaging Encapsulating analytic methods without complicating the subject matter, this book shows where chemical imaging has been successfully applied, inspiring researchers to cultivate the exciting capabilities rooted within this powerful and multifaceted technology.
Book Synopsis Method for Detection of Dental Caries and Periodontal Disease Using Optical Imaging by :
Download or read book Method for Detection of Dental Caries and Periodontal Disease Using Optical Imaging written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A method for detecting the presence of active and inactive caries in teeth and diagnosing periodontal disease uses non-ionizing radiation with techniques for reducing interference from scattered light. A beam of non-ionizing radiation is divided into sample and reference beams. The region to be examined is illuminated by the sample beam, and reflected or transmitted radiation from the sample is recombined with the reference beam to form an interference pattern on a detector. The length of the reference beam path is adjustable, allowing the operator to select the reflected or transmitted sample photons that recombine with the reference photons. Thus radiation scattered by the dental or periodontal tissue can be prevented from obscuring the interference pattern. A series of interference patterns may be generated and interpreted to locate dental caries and periodontal tissue interfaces.
Book Synopsis Handbook of Tissue Optical Clearing by : Valery V. Tuchin
Download or read book Handbook of Tissue Optical Clearing written by Valery V. Tuchin and published by CRC Press. This book was released on 2022-02-04 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomedical photonics is currently one of the fastest growing fields, connecting research in physics, optics, and electrical engineering coupled with medical and biological applications. It allows for the structural and functional analysis of tissues and cells with resolution and contrast unattainable by any other methods. However, the major challenges of many biophotonics techniques are associated with the need to enhance imaging resolution even further to the sub-cellular level as well as translate them for in vivo studies. The tissue optical clearing method uses immersion of tissues into optical clearing agents (OCAs) that reduces the scattering of tissue and makes tissue more transparent and this method has been successfully used ever since. This book is a self-contained introduction to tissue optical clearing, including the basic principles and in vitro biological applications, from in vitro to in vivo tissue optical clearing methods, and combination of tissue optical clearing and various optical imaging for diagnosis. The chapters cover a wide range of issues related to the field of tissue optical clearing: mechanisms of tissue optical clearing in vitro and in vivo; traditional and innovative optical clearing agents; recent achievements in optical clearing of different tissues (including pathological tissues) and blood for optical imaging diagnosis and therapy. This book provides a comprehensive account of the latest research and possibilities of utilising optical clearing as an instrument for improving the diagnostic effectiveness of modern optical diagnostic methods. The book is addressed to biophysicist researchers, graduate students and postdocs of biomedical specialties, as well as biomedical engineers and physicians interested in the development and application of optical methods in medicine. Key features: The first collective reference to collate all known knowledge on this topic Edited by experts in the field with chapter contributions from subject area specialists Brings together the two main approaches in immersion optical clearing into one cohesive book
Download or read book Dental Caries Perspectives written by and published by BoD – Books on Demand. This book was released on 2024-05-15 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of collaborative efforts from esteemed professors and researchers worldwide, who understand that dentistry is a dynamic field and that research on dental caries is constantly evolving. Dental Caries Perspectives - A Collection of Thoughtful Essays is a collection of varied insights that will enrich readers’ understanding of dental caries and inspire further exploration and discussion within the field. It addresses the importance of meticulous diagnosis of caries, highlighting new methods and technologies available to clinicians, as well as the significance of adopting minimally invasive dentistry approaches, such as selective caries removal and remineralization of incipient lesions, to enhance treatment quality and preserve dental tissue. Dental Caries Perspectives - A Collection of Thoughtful Essays is a valuable resource for clinicians, researchers, and students, fostering critical thinking and encouraging readers to continuously seek out new knowledge and innovative solutions.
Book Synopsis Long-Wavelength Infrared Thermophotonic Imaging of Demineralization in Dental Hard Tissue by : Ashkan Ojaghi
Download or read book Long-Wavelength Infrared Thermophotonic Imaging of Demineralization in Dental Hard Tissue written by Ashkan Ojaghi and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early detection of the most prevalent oral disease worldwide, i.e., dental caries, still remains as one of the major challenges in Dentistry. Current dental standard of care relies on caries detection methods which lack the sufficient specificity and sensitivity to detect caries at early stages of formation when they can be healed. In this thesis, a clinically and commercially viable thermophotonic imaging (TPI) technology capable of detecting early enamel caries using an inexpensive long-wavelength infrared (LWIR, 8-14m) camera is presented. Through theoretical modelling and experiments on standard samples, the enhanced diagnostic contrast in LWIR detection compared to existing MWIR detection technologies is verified. Diagnostic performance of the system and its detection threshold are experimentally evaluated by monitoring the inception and progression of artificially-induced occlusal and proximal caries as well as natural early caries. The results are suggestive of the suitability of the developed LWIR system for detecting early dental caries.
Book Synopsis Interface Oral Health Science 2016 by : Keiichi Sasaki
Download or read book Interface Oral Health Science 2016 written by Keiichi Sasaki and published by . This book was released on 2020-10-08 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume broadens understanding of dentistry and promotes interdisciplinary research across a wide range of related fields, based on the symposium entitled "Innovative Research for Biosis-Abiosis Intelligent Interface 2016". It aims to create highly functional and autonomic intelligent interface by combining highly functional interface science with the technology of an evaluation and a control at the interface, with the various topics of biomaterials, innovation for oral science and application, regenerative oral science, and medical engineering. Since 2002, the Tohoku University Graduate School of Dentistry has hosted "Interface Oral Health Science" several times as the main theme of dental research in the twenty-first century, and this is the sixth proceedings of the symposiums following the ones in 2005, 2007, 2009, 2011, and 2014.This book benefits not only dental scientists but also other health scientists including medical physicians and pharmacologists, material scientists, engineers, and any scientist who is involved in variety of disciplines. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Book Synopsis Ex Vivo Imaging of Early Dental Caries Within the Interproximal Space by : Lin-P'ing Choo-Smith
Download or read book Ex Vivo Imaging of Early Dental Caries Within the Interproximal Space written by Lin-P'ing Choo-Smith and published by . This book was released on 2009 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Coherence Tomography in Dentistry by : Anderson S. L. Gomes
Download or read book Optical Coherence Tomography in Dentistry written by Anderson S. L. Gomes and published by CRC Press. This book was released on 2023-08-08 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Coherence Tomography (OCT), a method to "see inside of things" without destroying them, has been applied to subjects ranging from materials science to medicine. This book focuses on the biomedical application of OCT in dentistry, covering topics from dental materials to clinical practice. Since the introduction of the OCT method in ophthalmology in 1991, and then dentistry in 1998, developments in OCT methods, particularly in biomedical areas, have led to its dissemination worldwide. The chapters of this book cover the basics and recent global advances of OCT in dentistry, including an overview of the method and its use in cariology, restorative dentistry, dental materials, endodontics, pediatric dentistry, orthodontics, prosthodontics, soft oral tissues and nanodentistry. This book will be of interest to both newcomers in the field as well as those already working in OCT, either in research and/or the clinic. It will be of great use in courses on optical imaging applied to biomedical areas, particularly where it can provide real-life examples of the application of OCT.
Download or read book Dental Caries written by Zhou Xuedong and published by Springer. This book was released on 2015-10-20 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a well-illustrated and comprehensive guide to the etiology, clinical manifestations, diagnosis, clinical management and prevention of dental caries. Current challenging problems in the field are analyzed and the latest research findings, presented. After an introductory chapter on tooth development, the relationships of biofilm and saliva to dental caries and the significance of the balance between demineralization and remineralization for the development of carious lesions are discussed. Subsequent chapters address the state of the art in diagnosis and treatment, the implications of disease burden for prevention and the association between systemic diseases and dental caries. Dental Caries: Principles and Management is intended for dental school students, practicing dentists and researchers in dentistry.
Book Synopsis Multimodal Optical Detection of Early Childhood Caries by : Liang Zhang
Download or read book Multimodal Optical Detection of Early Childhood Caries written by Liang Zhang and published by . This book was released on 2013 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: As prevalence of dental caries in children rises worldwide, there is an increasing need for a safe, easy to use and cost-effective technique to detect and identify childhood caries at an early stage where remineralization of the tooth is possible and damage may be reversed. It would be beneficial to have a noninvasive multimodal optical device for diagnosing early stage caries in vivo. In this research, the author develops and proposes an optical device which utilizes multiple modalities to screen for, and diagnose early stage dental caries. A clinical prototype device is developed and tested in a clinical setting to verify its suitability for in vivo use. To develop a screening technique that can be used to alert the clinician to an area of suspected caries, an ultrathin scanning fiber endoscope (SFE) was used. Enhanced image resolution of tooth surfaces was obtained using a short-wavelength 405 nm illumination laser using the SFE. In addition, enamel with demineralization of varying depths were also imaged with 405 nm, 444 nm, 532 nm, and 635 nm illumination lasers. Contrast between sound and demineralized enamel was quantitatively computed for each imaging modality. For shallow demineralization, the image contrast with respect to sound enamel was greatest for the 405 nm reflected image. Furthermore, images obtained with a shallow penetration depth illumination laser (405 nm) provided the greatest detail of surface enamel topography since the reflected light does not contain contributions from light reflected from greater depths within the enamel tissue. Multilayered Monte Carlo simulations were also performed to confirm the experimental results. To quantitatively determine health of the tooth enamel, the author developed a simple and robust autofluorescence (AF) technique that uses the dental AF spectra from 405 nm and 532 nm laser excitation and computes a ratio of the integrated areas of the spectra. The 405/532 nm AF ratio was obtained from healthy as well as unhealthy enamel regions of teeth. A clear distinction between the ratios for healthy enamel and unhealthy enamel was seen. The author has developed a multimodal optical clinical prototype by combining the high contrast and high surface resolution SFE imaging modality with the quantitative AF modality. The device can be used to quickly image and screen for any signs of demineralized enamel by obtaining high-resolution and high-contrast surface images using a 405-nm laser as the illumination source, as well as obtaining autofluorescence and bacterial fluorescence images. When a suspicious region of demineralization is located, the device also performs dual laser fluorescence spectroscopy using 405-nm and 532-nm laser excitation. An autofluorescence ratio of the two excitation lasers is computed and used to quantitatively diagnose enamel health. The device was tested on in vivo patients as well as extracted teeth with clinically diagnosed carious lesions. The device was able to provide detailed images which highlighted the lesions identified by the clinicians. The autofluorescence spectroscopic ratios obtained from the extracted teeth successfully discriminated between sound and demineralized enamel.
