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Dissertations / Theses on the topic 'Radiographic'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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1

Davidson, Robert Andrew. "Radiographic contrast-enhancement masks in digital radiography." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1932.

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Radiographic film/screen (F/S) images have a narrow latitude or dynamic range. The film’s ability to record and view all the anatomy within the x-ray field is limited by this narrow dynamic range. The advent of digital radiographic means of storing and displaying radiographic images has improved the ability to record and visualise all of the anatomy. The problem still exists in digital radiography (DR) when radiographic examinations of certain anatomical regions are undertaken. In this work, the value of anatomically shaped radiographic contrast-enhancement masks (RCMs) in improving image cont
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2

Davidson, Robert Andrew. "Radiographic contrast-enhancement masks in digital radiography." University of Sydney, 2006. http://hdl.handle.net/2123/1932.

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Doctor of Philosophy<br>Radiographic film/screen (F/S) images have a narrow latitude or dynamic range. The film’s ability to record and view all the anatomy within the x-ray field is limited by this narrow dynamic range. The advent of digital radiographic means of storing and displaying radiographic images has improved the ability to record and visualise all of the anatomy. The problem still exists in digital radiography (DR) when radiographic examinations of certain anatomical regions are undertaken. In this work, the value of anatomically shaped radiographic contrast-enhancement masks (RCMs)
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3

Hayre, Christopher Maverick. "Radiography observed : an ethnographic study exploring contemporary radiographic practice." Thesis, Canterbury Christ Church University, 2016. http://create.canterbury.ac.uk/14517/.

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This study explores the day-to-day application of digital radiography (DR) within the X-ray environment. This study presents the voices of the radiographers' untold views, attitudes and experiences of DR through the process of observing, listening, retelling and interpreting junior and senior radiographers' responses. There were three stages to this ethnographic study. Firstly, exploring 'what radiographers did' environment by observing clinical practices. This provided 'first-hand' experience of action-in-process. Secondly, 22 semi-structured interviews were undertaken, directed by emerging t
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4

Irvine, Michael Alan, and thebovus@yahoo com. "Image Quality and Radiation Dose Comparison of a Computed Radiography System and an Amorphous Silicon Flat Panel System in Paediatric Radiography: A Phantom Study." RMIT University. Applied Sciences, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091019.122013.

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This purpose of this work was to investigate the patient radiation doses and image quality of a Philips/Agfa computed radiographic (CR) system and a Philips indirect-capture digital radiographic (DR) system in a paediatric setting. A CDRAD digital radiographic contrast-detail phantom was used to assess radiographic image quality. Perspex slabs of three different thicknesses (6, 11 and 16 cm) were used to simulate paediatric patients of three arbitrary ages. These phantoms, in conjunction with the CDRAD digital radiographic contrast-detail phantom, were imaged under three different conditions
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5

Enright, Michael Thomas. "A radiographic exposure system." Thesis, Queensland University of Technology, 1994.

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6

Polinsky, Adam S. "Evaluation and Comparison of Periapical Healing Using Periapical Films and Cone Beam Computed Tomography: Post-Treatment Follow Up." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5767.

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Purpose: The purpose of this study was to assess the radiographic changes in periapical status and analysis of healing determined using periapical radiographs (PA) versus cone beam computed tomography (CBCT) pre-operatively and at 3-64 months following endodontic treatment. Methods: Pre/post treatment radiograph and CBCT scans of patients who had NSRCT, NSReTx, or SRCT from July 2011-December 2018 at VCU Graduate Endodontic clinic were included in this study. Volumetric and linear measurements of periapical lesions on initial and recall PA and CBCT images were performed using three calibrated
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7

Pascoal, Ana Isabel Lourenco. "Optimisation of image quality and patient dose for chest radiography with digital radiographic systems." Thesis, King's College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438195.

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8

Haith, Misty Isanna. "Radiographic imaging of subsea pipelines." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/45436.

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Subsea pipelines are increasingly being used both around offshore drilling facilities and for long distance oil and gas transport. Accidents can have devastating environmental and economic impact, amplifying the need for accurate, reliable detection and characterisation of pipeline defects. Inspection of these pipelines for corrosion and other defects is crucial for safe operation. Radiography holds a significant advantage over many other inspection methods in that it does not require surface preparation or insulation removal. Subsea pipeline radiography is a relatively new technique, and unde
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9

Abhishek, Abhishek. "Chondrocalcinosis : risk factors and radiographic phenotype." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12926/.

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Objectives: The objectives of this study were to a) examine the distribution of chondrocalcinosis (CC), b) determine the risk factors of CC, and c) examine the radiographic phenotype of osteoarthritis (OA) associated with CC. Methods: Data from the Genetics of Osteoarthritis and Lifestyle (GOAL) study were used to describe the radiographic distribution of CC, and to conduct a case-control study in which cases with CC were compared with controls without CC. All participants had already completed a detailed questionnaire, been examined by a research metrologist, had radiographs of knees, hands,
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10

Friedrich-Nel, Hesta. "Assessment innovation in Radiographic Pathology II." Journal for New Generation Sciences, Vol 3, Issue 2: Central University of Technology, Free State, Bloemfontein, 2005. http://hdl.handle.net/11462/478.

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Published Article<br>Innovation in teaching and learning compel facilitators to explore creative possibilities in teaching and learning. Consequently innovative assessment has replaced traditional assessment methods in the Radiographic Pathology II module. The use of an appropriate variety of assessment methods or approaches is crucial to enhance and support learning and measure performance. Thus assessment has to change from knowledge acquisition and factual recall to assess more embracing and critical learning outcomes such as problem-solving, communication, attitudes, critical thinking, pro
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11

Han, Yang. "Organ Doses in Routine Radiographic Procedures." VCU Scholars Compass, 1989. http://scholarscompass.vcu.edu/etd/5066.

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There is general agreement that the extent of the risk from x-ray examination is related in some way to the radiation dose. As the dose increases, the likelihood of significant biological effects also increases. If a clear correlation between dose and effect is to be established, a convenient and reasonably accurate method of estimating patient’s absorbed doses during common radiographic examinations will be highly needed. A simple method is developed in this project to determine the two important parameters e exposure at skin entrance (ESE) and half value layer (IIVL), which is essential to g
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12

Cherry, Shirley J. "Radiographic Pathology of the Skeletal System." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etsu-works/2481.

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13

Bowen, Amber Jean. "Bone Density Measurement via Radiographic Calibration." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/341.

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Musculoskeletal injuries are the most common injuries sustained by athletes and military recruits and can result in decreased performance and lifelong disability. So common and costly are these injuries that the American Academy of Orthopedic Surgeons has provided guidelines for future research, including recommendations for the development of a large animal model of bone injury (USDA 2001). In human and veterinary medicine, digital radiography represents the primary diagnostic tool the physician uses to diagnose skeletal injury. Advances in digital radiography have provided the veterinarian w
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14

Berenguer, Gaston. "Lamina dura bundle bone or radiographic artifact /." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0010577.

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Thesis (M.S.)--University of Florida, 2005.<br>Typescript. Title from title page of source document. Document formatted into pages; contains 45 pages. Includes Vita. Includes bibliographical references.
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15

Ólafsson, Yngvi. "Idiopathic scoliosis : radiographic, neurophysiologic and psychologic aspects /." Reykjavik ; Stockholm : Y. Ólafsson, 1999. http://diss.kib.ki.se/1999/9979-60-506-3/.

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16

Verhovsek, Ester L. "Radiography Curriculum Change Update: American Society of Radiologic Technologists." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/2591.

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17

Elhain, Ahmed M. S. B. "An investigation of the influence of radiographic malpositioning and image processing algorithm selection on ICU/CCU chest radiographs." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/7342.

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Mobile chest radiography remains the most appropriate test for critical care patients with cardiorespiratory changes and with patients who have chest tubes and lines as a monitoring tool, and to detect complications related to their use. However, one of the most frequent issues recognized radiographically with patients in critical care is chest tubes and lines malposition. This can be related to technical quality reasons which can affect their appearance in the chest radiography. This research considers how the technical quality of the ICU/CCU chest radiography can impact upon the appe
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18

Pettersson, Kurt. "Whiplash injury : a clinical, radiographic and psychological investigation." Doctoral thesis, Umeå universitet, Ortopedi, 1996. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-96904.

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Whiplash injury is a common and troublesome disorder and approximately 10-40 per cent of its victims develop chronic symptoms. The annual incidence is estimated at 1/1000 inhabitants and the prevalence at 1%. The cause of chronic symptoms after whiplash injury is still unknown and no effective treatment has been presented so far. The present study is divided into two parts; the first part includes clinical, radiographic and psychological investigations, and the second part the effect of surgical intervention as well as intervention with medication. MRI studies (n=39) showed a larger proportion
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19

Mallineni, Sreekanth Kumar. "Radiographic localization of supernumerary teeth in the maxilla." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46848940.

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20

Keenan, R. "Development and radiographic applications of x-ray lasers." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368599.

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21

Ariffin, Siti Mariam Zainal. "Radiographic and pathologic studies of feline appendicular osteoarthritis." Thesis, University of Glasgow, 2015. http://theses.gla.ac.uk/6188/.

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Feline Osteoarthritis (OA) is a pathological change of a diarthrodial articulation which primarily occurs in older cats. The aims of this study were:- 1) to define the radiographic features of OA in the cat for each individual appendicular joint; 2) to relate the radiographic features to the gross pathologic and histopathologic features; 3) to explore underlying causes of OA in cats, 4) to identify the presence of Protease Activated Receptor-2 (PAR-2) and matriptase in feline articular cartilage and synovial membrane and to determine their role in OA pathogenesis. The present study has defined
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22

Almeida, Raquel Lopes da Costa Ferreira de. "Canine hip dysplasia: radiographic evaluation of german shepherds." Master's thesis, Universidade de Évora, 2022. http://hdl.handle.net/10174/30759.

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Canine hip dysplasia is a common orthopedic disorder that affects dogs of all ages and breeds. The exact cause and hereditability of this condition remain unclear. However, good progress has been made in recent years. It is described as a polygenic multifactorial condition. Different treatments are available, whether a surgical or conservative approach is pursued. This dissertation includes a literature review considering the topic of canine hip dysplasia and a preliminary, exploratory study that has the objective of evaluating different radiographic measurements and investigating their correl
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23

Yates, Richard. "Genetic, pathologic, and radiographic correlations in multiple sclerosis." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:a2ae7907-3124-4c65-83fc-72fa00fd45ed.

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Substantial evidence suggests that cortical tissue injury plays a key role in the progression of permanent disability in multiple sclerosis (MS). A greater knowledge of factors that drive pathology in the MS cortex is therefore desperately needed in order to develop novel medicines that can ameliorate disease burden in the progressive stage. In the current thesis, we undertake a robust and quantitative analysis of motor cortical neuropathology in a large cohort of post-mortem MS cases. We find that genetic variation at the HLA-DRB1 locus is associated with the extent of cortical demyelinating
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24

Furniss, Caryl. "Radiographic changes in Thoroughbred yearlings in South Africa." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/27207.

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A radiographic examination forms part of the pre-purchase examination of Thoroughbred yearlings at national sales in many countries. This data enables the recording of the prevalence of radiographic changes in selected Thoroughbred populations around the world and assists veterinarians in advising clients on the purchase of yearlings. This has financial implications for the client as well as the racing industry as a whole. Radiographic examinations of the 269 Thoroughbred yearlings lodged at the 2008 National Yearling Sale in Germiston, South Africa were collected and individually evaluated. T
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25

Ho, Danny. "CLINICAL AND RADIOGRAPHIC EVALUATION OF NOBELACTIVETM DENTAL IMPLANTS." Thesis, Faculty of Dentistry, 2010. http://hdl.handle.net/2123/7076.

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26

IMPALLARIA, Anna. "Radiographic imaging of chemical elements for Cultural Heritage." Doctoral thesis, Università degli studi di Ferrara, 2017. http://hdl.handle.net/11392/2487963.

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Radiographic techniques, usually, don’t give information about the chemical composition of a sample. However, thanks to the K-edge differential technique, it is possible to highlight the presence of target chemical elements with the radiography. This technique takes advantage on the K-edge discontinuity of the X-rays mass absorption coefficient. Considering a target element and acquiring two radiographies with monochromatic beams under and over the K-edge energy, the main difference between the two images is due to the presence of the element itself. To apply this peculiar radiographic techn
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27

Månsson, Lars Gunnar. "Evaluation of radiographic procedures investigations related to chest imaging /." Göteborg, Sweden : Dept. of Radiation Physics, Göteborg University, 1994. http://catalog.hathitrust.org/api/volumes/oclc/35482139.html.

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28

Soikkonen, K. (Kari). "Radiographic oral findings and death risk in the elderly." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514254546.

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Abstract Radiographic oral and maxillofacial findings were recorded in a cohort of 293 home living elderly, in Helsinki, Finland, derived from a random sample of 8035 subjects, , born in 1904, 1909, and 1912, who participated in the Helsinki Ageing Study. They were 76, 81, and 86 years old at the commencement of the radiographic study. The relationships of potentially infectious findings with increased all-cause mortality over four years were studied. During the four-year follow-up, 18.5% of the subjects died. Of the 124 edentulous subjects, 17% had condylar findings, 13% radiopaque intraosse
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29

Sagerfors, Marcus. "Total wrist arthroplasty : A clinical, radiographic and biomechanical investigation." Doctoral thesis, Örebro universitet, Institutionen för medicinska vetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-50040.

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Aim: To study patient-related functional outcome measures, implant survival and radiographic loosening after total wrist arthroplasty (TWA) using four different implants. To evaluate a new TWA design biomechanically and clinically. Methods: The studies included two cohort studies with prospectively collected data (n=206 and n=219), an anatomic and kinematic analysis in a cadaveric model and a pilot study (n=20). Results: The Maestro TWA had a significantly greater improvement of radial/ulnar deviation than the Biax and Remotion TWAs. Summarized patientrelated functional outcome was significant
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30

Norrman, Eva. "Optimisation of radiographic imaging by means of factorial experiments /." Örebro : Örebro universitetsbibliotek, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-1731.

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31

Shao, Hua. "Scintillating fiber optics and their application in radiographic systems /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487777170404818.

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32

Sundén, Pikner Solweig. "Radiographic follow-up analysis of Brånemark® dental implants /." Göteborg : Department of Oral and Maxillofacial Radiology, Institute of Odontology, University of Gothenburg, Folktandvården, Postgraduate Dental Education Center, 2008. http://hdl.handle.net/2077/10124.

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33

Evanoff, Michael Geoffrey 1964. "Automatic identification of chest orientation in digital radiographic images." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282811.

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Radiology departments are implementing conversion from the use of hard copy film in favor of digital imaging. New digital acquisitions are increasing the efficacy of radiological imaging. The outputs of new modalities such as magnetic resonance (MR) and computed tomography (CT) are digital. They both involve gathering information that allows reconstructing cross sectional projections of internal structures and displaying them as digital images. Other technologies, e.g., computed radiography (CR), can provide digital radiographic data that replaces analog projection radiography. To date, the pr
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34

Pourchot, Aloïs. "Improving Radiographic Diagnosis with Deep Learning in Clinical Settings." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS421.

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Les succès impressionnants de l'apprentissage profond au cours de la dernière décennie ont renforcé son statut de norme pour résoudre les problèmes difficiles d'apprentissage automatique, et ont permis sa diffusion rapide dans de nombreux domaines d'application. L'un de ces domaines, qui est au cœur de ce doctorat, est l'imagerie médicale. L'apprentissage profond a fait de la perspective exaltante de soulager les experts médicaux d'une fraction de leur charge de travail grâce au diagnostic automatisé une réalité. Au cours de cette thèse, nous avons été amenés à considérer deux problèmes médica
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35

Sadan, Madeh Adel Abd Elrahiem. "Radiographic studies on the carpal joints in some small animals." Giessen VVB Laufersweiler, 2010. http://geb.uni-giessen.de/geb/volltexte/2010/7619/index.html.

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36

Cruickshank, John Johnston. "Morphometric and radiographic characterization of leg disorders in broiler chickens." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24601.

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The objective of this study was to investigate the effects of cage density and excess vitamin D₃ on the incidence and severity of leg abnormalities in broiler chickens. In addition, sequential morphometric and radiographic characteristics of leg bone development were described in normal and abnormal broilers in an attempt to develop a pattern recognition for leg abnormalities in poultry. Twisted leg, characterized by a progressive medial (varus) or lateral (valgus) deviation of the distal tibiae was the predominant leg abnormality observed. Lateral deviations were more common than medial dev
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37

麥淑嫻 and Suk-han Anna Mak. "Thumb base joints: comparison between standard and special radiographic projections." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31223187.

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38

Colorado, Claudia. "Clinical and Radiographic Evaluation of MTA Pulpotomies: A Retrospective Study." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3438.

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Vital pulp therapy is the group of procedures indicated to maintain pulp vitality allowing for continued root development and apical closure in the presence of pulp exposure due to caries or trauma. Complete maturation results in stronger tooth structure that is more able to withstand occlusal forces. Historically, calcium hydroxide (Ca(OH)2) was the material of choice for a vital pulpotomy. Recently mineral trioxide aggregate (MTA) has been used as a pulp sealing material because of its biocompatibility and its ability to induce hard tissue barrier formation. The purpose of this retrospectiv
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39

Hall, Nathan E. "A Radiographic Analysis of Variance in Lower Incisor Enamel Thickness." VCU Scholars Compass, 2005. http://scholarscompass.vcu.edu/etd/887.

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The purpose of this study was to help predict the enamel thickness of mandibular incisors. At least two direct digital periapical radiographs were made for each of the 80 subjects. Radiographs were scaled to control for magnification errors using dental study models and computer software. Mesiodistal incisor width and mesial and distal enamel thicknesses were measured. Lateral incisors were determined to be wider than central incisors and distal enamel thicknesses were larger than mesial enamel thicknesses on average. The African American group demonstrated wider incisors and enamel thick
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Schmick, Aaron T. "Vital Pulp Therapy Survivability Based on Radiographic Depth of Caries." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4107.

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Purpose: The purpose of this retrospective chart review was to determine if the survival of two methods of vital pulp therapy (VPT) were influenced by the pre-operative radiographic depth and location of caries. Methods: Electronic patient records (axiUm®) that contained the procedure codes D3120, Indirect Pulp Therapy (IPT), or D3220, Therapeutic Pulpotomy (TP), were queried. Qualifying charts’ pre-operative and post-operative radiographs were viewed in MiPACS® by two raters. Visit records were queried again to identify any other treatment failures. Results: A total of 568 primary molars met
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Mak, Suk-han Anna. "Thumb base joints : comparison between standard and special radiographic projections /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22079142.

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42

Pitcher, Christopher D. "Quantitative metrics to evaluate image quality for computed radiographic images." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0007362.

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43

Harrison, David A. "Head Positioning And Its Relation To Radiographic Cephalometric Projection Errors." Thesis, Faculty of Dentistry, 1995. http://hdl.handle.net/2123/5053.

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44

Gunes, E. evren. "Computerized Test Procedure For Industrial Radiographic Examination Of Metallic Welded Joints." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605553/index.pdf.

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Radiography is an extensively used NDT method, especially in nuclear, aerospace and automotive industries where optimal designs call for greater reliability. The rules corresponding to industrial radiography are defined in a system of radiographic standards. The standards related to the radiographic testing of metallic welded joints had been harmonised in all over the Europe and at the end in 1997, the standard &quot<br>EN 1435&quot<br>was established and published. Since then, this standard has become the most widely used standard where the radiographic applications are necessary. To eliminat
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45

Ivanauskaitė, Deimantė. "Alveolar bone loss in radiographic modalities for diagnosis of periodontal disease." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110621_164329-13939.

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Radiographic modalities are used in addition to clinical methods to gain information about the patients. In the examination of the periodontium, which is comprised of the gingiva, alveolar bone, periodontal ligament, and cementum, the radiographic examination plays an integral role for diagnosis of periodontal disease. The diagnosis periodontitis is based on a finding of alveolar bone loss. Changes of the alveolar bone can be assessed by different radiographic modalities, such as intraoral radiography (bitewing and periapical radiography) and panoramic radiography. Analysis of alveolar bone lo
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Saunders, Andrea J. "An evaluation of radiographic screening for tuberculosis in immigrants to Canada /." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79120.

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Introduction. Foreign-born persons applying for permanent residence in Canada must undergo radiographic screening for tuberculosis (TB). As a screening tool for TB, however, the chest x-ray has a number of limitations.<br>Objectives. To evaluate the reliability of chest radiographic screening as well as its ability to detect prevalent active TB and predict future incident disease in immigrants to Canada.<br>Methods. Immigration screening x-rays were categorized by 12 physicians experienced in TB; observer agreement was calculated using the kappa coefficient. The prevalence and incidence
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47

Offiah, Amaka. "Optimisation of the digital radiographic imaging of suspected non-accidental injury." Thesis, University College London (University of London), 2005. http://discovery.ucl.ac.uk/1444875/.

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Aim: To optimise the digital (radiographic) imaging of children presenting with suspected non-accidental injury (NAI).;Objectives: (i) To evaluate existing radiographic quality criteria, and to develop a more suitable system if these are found to be inapplicable to skeletal surveys obtained in suspected NAI. (ii) To document differences in image quality between conventional film-screen and the recently installed Fuji5000R computed radiography (CR) system at Great Ormond Street Hospital for Children, (iii) To document the extent of variability in the standard of skeletal surveys obtained in the
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48

Li, Ru. "Distraction osteogenesis in adolescents and adults : influencing factors and radiographic classification." Thesis, University of Sheffield, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444245.

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49

Messent, Elizabeth Ann. "Quantitative radiographic assessment of tibial cancellous bone changes in knee osteoarthritis." Thesis, King's College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407638.

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50

Hackman, S. Lucina M. R. "Age estimation in the living : a test of 6 radiographic methods." Thesis, University of Dundee, 2012. https://discovery.dundee.ac.uk/en/studentTheses/b8281974-f44c-444d-b958-001ccfea451f.

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There is a growing recognition that there is a requirement for methods of age estimation of the living to be rigorously tested to ensure that they are accurate, reliable and valid for use in forensic and humanitarian age estimation. The necessity for accurate and reliable methods of age estimation are driven both by humanitarian, political and judicial need. Age estimation methods commonly in use today are based on the application of reference standards, known as atlases, which were developed using data collected from children who participated in longitudinal studies in the early to mid-1900s.
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