Academic literature on the topic 'Radiographic subtraction'

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Journal articles on the topic "Radiographic subtraction"

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Ruttimann, U. E. "Computer-Based Reconstruction and Temporal Subtraction of Radiographs." Advances in Dental Research 1, no. 1 (1987): 72–79. http://dx.doi.org/10.1177/08959374870010011601.

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The most important physical parameter limiting the diagnostic performance achieved with radiographic images is the signal-to-noise ratio (SNR). In most dental applications, the normal anatomical structures contribute to a background pattern in the image that is limiting the SNR attainable. Hence, the projection direction of radiographs is a fundamental determinant of the SNR. The acquisition of a basis set of projection images obtained from a plurality of spatially registered sampling directions permits the reconstruction of any desired slice lying within a limited volume by tomosynthesis. Alternatively, the multi-projection strategy permits synthesis of any arbitrary radiographic image whose projection direction lies within the cone spanned by the basis projection directions. This feature can be used to synthesize a desired image at the proper projection angle required for meaningful subtraction from a previously obtained radiograph, and thus to suppress anatomy-related background variations.
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Ferreira, Rívea Inês, Francisco Haiter-Neto, Cínthia Pereira Machado Tabchoury, Guilherme Assumpção Neves de Paiva, and Frab Norberto Bóscolo. "Assessment of enamel demineralization using conventional, digital, and digitized radiography." Brazilian Oral Research 20, no. 2 (2006): 114–19. http://dx.doi.org/10.1590/s1806-83242006000200005.

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This experimental research aimed at evaluating the accuracy of enamel demineralization detection using conventional, digital, and digitized radiographs, as well as to compare radiographs and logarithmically contrast-enhanced subtraction images. Enamel subsurface demineralization was induced on one of the approximal surfaces of 49 sound third molars. Standardized radiographs of the teeth were taken prior to and after the demineralization phase with three digital systems - CygnusRay MPS®, DenOptix® and DIGORA® - and InSight® film. Three radiologists interpreted the pairs of conventional, digital, and digitized radiographs in two different occasions. Logarithmically contrast-enhanced subtraction images were examined by a fourth radiologist only once. Radiographic diagnosis was validated by cross-sectional microhardness profiling in the test areas of the approximal surfaces. Accuracy was estimated by Receiver Operating Characteristic (ROC) analysis. Chi-square test, at a significance level of 5%, was used to compare the areas under the ROC curves (Az) calculated for the different imaging modalities. Concerning the radiographs, the DenOptix® system (Az = 0.91) and conventional radiographs (Az = 0.90) presented the highest accuracy values compared with the other three radiographic modalities. However, logarithmically contrast-enhanced subtraction images (Az = 0.98) were significantly more accurate than conventional, digital, and digitized radiographs (p = 0.0000). It can be concluded that the DenOptix® system and conventional radiographs provide better performance for diagnosing enamel subsurface demineralization. Logarithmic subtraction significantly improves radiographic detection.
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Jeffcoat, M. K., and M. S. Reddy. "Digital Subtraction Radiography for Longitudinal Assessment of Peri-Implant Bone Change: Method and Validation." Advances in Dental Research 7, no. 2 (1993): 196–201. http://dx.doi.org/10.1177/08959374930070021101.

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The purpose of this paper is to present a digital subtraction technique for the assessment of peri-implant bone change over time in vivo. Digital subtraction radiography may be used to detect areas of bony change that have occurred between radiographic examinations, and image processing algorithms have been developed which can relate the magnitude of the change on the subtraction image to a reference wedge, thereby allowing calculation of the mass of the lesion. This manuscript will present two algorithms for the assessment of osseous change. The method was validated in monkeys by means of small bony chips placed intra-orally prior to the first radiograph. The chips were removed, a second radiograph taken, and the images subtracted. Each algorithm was used to isolate the lesion and calculate change in bone mass. Overall, there was excellent correlation between the calculated lesion mass (in milligrams) and actual lesion mass (r2 > 0.9). The utility of the method was demonstrated by comparison of the results of subtraction radiography in successful implants and in implants that did not integrate during the healing phase.
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Reddy, Michael S., and I.-Chung Wang. "Radiographic Determinants of Implant Performance." Advances in Dental Research 13, no. 1 (1999): 136–45. http://dx.doi.org/10.1177/08959374990130010301.

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This paper reviews and compares the strengths and weaknesses of radiographic techniques including periapical, occlusal, panoramic, direct digital, motion tomography, and computed tomography. Practical considerations for each method, including availability and accessibility, are discussed. To date, digital subtraction radiography is the most versatile and sensitive method for measuring boss loss. It can detect both bone height and bone mass changes on root-form or blade-form dental implants. Criteria for implant success have changed substantially over the past two decades. In clinical trials of dental implants, the outcomes require certain radiographic analyses to address the hypothesis or clinical question adequately. Radiographic methods best suited to the objective assessment of implant performance and hypothesis were reviewed.
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da Silva, Renan Lucio Berbel, Eduardo Felippe Duailibi Neto, Franscisco Fernando Todescan, Glaucio Morente Ruiz, Claudio Mendes Pannuti, and Israel Chilvarquer. "Evaluation of cervical peri-implant optical density in longitudinal control of immediate implants in the anterior maxilla region." Dentomaxillofacial Radiology 49, no. 6 (2020): 20190396. http://dx.doi.org/10.1259/dmfr.20190396.

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Objective: This research aimed to longitudinally evaluate the optical density of peri-implant alveolar bone. The data acquired from study participants previously treated with 37 osseointegrated implants were analyzed utilizing the radiographic subtraction technique. Methods and materials: The radiographic follow-ups were performed five times: at the implantation of the prostheses and after 15, 90, 180 and 360 days. Intraoral radiographs were obtained by the paralleling technique using individualized Hanshin-type positioners to guarantee the standardization of the images. The obtained digital images were aligned and equalized before they were submitted to the radiographic subtraction procedure. Results: A significant difference was found between the distal region of Group I (patients treated with osseointegrated implants who required extraction of the dental element) and the 360 day follow-up and the distal region of Group II (patients with healed alveolar sockets) in all follow-up analyses (p < 0.05). We did not observe a significant difference between the groups analyzed and other follow-ups concerning the subcrestal and middle third regions for both the mesial and distal variables (p > 0.05). There was a statistically significant difference in the distal sites [χ2 = 5,745,, p = 0.03], showing a significant association between time and the presence of bone resorption. This association was not shown on the mesial surface (p = 0.16). Conclusion: We concluded that there was no statistically significant difference between groups I and II. Using this technique, we were able to quantitatively and qualitatively evaluate the changes in the proximal sites on the digital radiographic images for the analyzed data. Digital subtraction technology to measure peri-implant bone density is an accurate and reproducible technique for quantifying peri-implant bone reactions to different therapeutic modalities.
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Van der Stelt, P. F. "Modern Radiographic Methods in the Diagnosis of Periodontal Disease." Advances in Dental Research 7, no. 2 (1993): 158–62. http://dx.doi.org/10.1177/08959374930070020601.

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For many years, radiographs have been a valuable aid in the diagnosis of periodontal disease and the evaluation of treatment effects. Computer-based image acquisition and processing techniques will now further increase the importance of radiography in periodontal diagnosis. Temporal changes of lesions can be made easily visible by means of subtraction radiography based on digital images. This process requires a pair of images with identical gray-level distributions and projection geometry. The gray-level distribution and perspective projection of images can be corrected by means of digital image processing. A pair of identical images can thus be obtained without mechanical alignment of patient, film, and x-ray source. Algorithms have been developed for automatical determination of the borders of lesions and can subsequently produce quantitative information ranging from simple distance measurements to advanced multidimensional quantitation of image parameters. Accurate volume measurements can be carried out by the utilization of calibration wedges in the image. Image reconstruction procedures, such as tomosynthesis, provide information about the third dimension, which is normally lost in conventional radiographic projections. The buccal and lingual sites of the alveolar crest can be inspected separately. The progress of computer-aided procedures as discussed in this paper appears to have great potential for the improvement of the radiographic diagnosis of periodontal lesions. Especially, the benefits of reproducibility and quantitative evaluation of treatment effects will greatly improve the role of radiography in periodontics.
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Wang, Michael Y., and Sigurd H. Berven. "Lumbar Pedicle Subtraction Osteotomy." Operative Neurosurgery 60, suppl_2 (2007): ONS—140—ONS—146. http://dx.doi.org/10.1227/01.neu.0000249240.35731.8f.

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Abstract THE CORRECTION OF lumbar kyphotic deformities requires careful preoperative clinical and radiographic evaluation. For patients with rigid deformities at locations where previous anterior spinal surgery was performed, pedicle subtraction osteotomy remains an attractive treatment option. This technique uses a single-stage posterior approach for removal of the posterior elements and a wedge of the vertebral body. Using this method, it is possible to introduce up to 35 degrees of lumbar lordosis and add up to 10 cm of posterior trunk translation. Patient satisfaction from correction of these deformities is frequently excellent, but a high degree of attention must be directed to avoid neural injuries and reduce intraoperative blood loss.
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De Lin, Ming, Ehsan Samei, Cristian T. Badea, Terry T. Yoshizumi, and G. Allan Johnson. "Optimized radiographic spectra for small animal digital subtraction angiography." Medical Physics 33, no. 11 (2006): 4249–57. http://dx.doi.org/10.1118/1.2356646.

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PARTRIDGE, J. B., and R. E. SLAUGHTER. "Radiographic Projections for Coronary Angiography – Implications for Digital Subtraction Angiography." Australasian Radiology 30, no. 3 (1986): 230–35. http://dx.doi.org/10.1111/j.1440-1673.1986.tb01745.x.

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Ricketts, D. N. J., K. R. Ekstrand, S. Martignon, R. Ellwood, M. Alatsaris, and Z. Nugent. "Accuracy and Reproducibility of Conventional Radiographic Assessment and Subtraction Radiography in Detecting Demineralization in Occlusal Surfaces." Caries Research 41, no. 2 (2007): 121–28. http://dx.doi.org/10.1159/000098045.

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Dissertations / Theses on the topic "Radiographic subtraction"

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Assis, Afonso Celso Souza de. "Estudo da viabilidade do emprego da técnica de subtração radiográfica digital em radiografias periapicais com registro a posteriori /." São José dos Campos : [s.n.], 2010. http://hdl.handle.net/11449/98003.

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Orientador: Luiz Cesar de Moraes<br>Banca: Pedro Luiz de Carvalho<br>Banca: Cristiane Yumi Koga Ito<br>Resumo: Apesar de ser uma técnica limitada, a subtração digital é utilizada na Odontologia. A adição do computador e seus algoritmos para equalização de contraste e também correção geométrica, tornou possível a aplicação da subtração radiográfica digital (SRD), utilizando radiografias intrabucais. Neste estudo foi avaliada a viabilidade da utilização da subtração radiográfica digital pelo programa Regeemy - Image Registration and Mosaicking v.0.2.43-RCB (DPI-INPE, São José dos Campos, SP, Brazil) em radiografias periapicais digitalizadas e obtidas sem utilização de padronização rígida durante as exposições por meio de registro a posteriori. A seleção dos pontos de controle foram realizadas de forma automática e em quantidade múltipla pelo Reggemy. Esses pontos serviram como coordenadas a partir das quais o programa alinhou o par de imagens e gerou uma terceira imagem de acordo com a projeção geométrica da imagem de referência. Com o uso do Adobe Photoshop© foram selecionados os ROI das imagens utilizando guias e coordenadas. Depois de aplicados os testes estatísticos foi verificado que a metodologia do presente estudo não permite concluir que a subtração utilizando-se o programa Regeemy é inviável quando realizada sem padronização<br>Abstract: The digital subtraction has been widely used in dentistry. The addition of computer and its algorithms for equalization of contrast and geometric correction also made possible the application of radiographic digital subtraction (SRD) using intraoral radiographs. This study assessed the feasibility of using X-ray digital subtraction of the program Regeemy - Image Registration and mosaicking v.0.2.43-RCB (DPI-INPE, Sao Jose dos Campos, SP, Brazil) in periapical radiographs digitized and obtained without the use of standardized rigid during the exposures by registering the event. The selection of control points were performed automatically and in quantity by multiple Reggemy. These points were used as coordinates from which the program aligned the image pair and a third image generated according to the geometrical projection of the reference image. Using Adobe Photoshop ©, we selected the ROI of the images using guides and coordinates. After applying the statistical tests we can conclude that the methodology of this study does not suggest that the subtraction using the program Regeemy is feasible when performed without standardization. It is suggested further studies to evaluate the impact of subtraction radiography with no standardization in clinical diagnosis<br>Mestre
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Silva, Renan Lucio Berbel da. "Avaliação da densidade ótica peri-implantar cervical em controle longitudinal de implantes na região anterior de maxila." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/23/23139/tde-15082018-094151/.

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As complicações peri-implantares, posteriormente a colocação do implante em função, são frequentes e sua identificação precoce pode significar uma terapêutica adequada e consequentemente garantir o sucesso do terapêutica. A proposta neste trabalho foi avaliar longitudinalmente a densidade ótica do osso alveolar peri-implantar na região cervical, analisada, por meio da técnica de subtração radiográfica de um acervo de radiografias digitais adquiridas de pacientes previamente reabilitados com trinta e sete implantes osteointegrados imediatos na região anterior da maxila. Os controles radiográficos foram realizados em cinco momentos: na instalação das próteses, após 15,90,180 e 360 dias, e as radiografias intrabucais foram obtidas pela técnica do paralelismo de cilindro longo, com posicionadores do tipo Hanshin individualizados de forma a garantir a padronização das imagens. As imagens digitais obtidas foram alinhadas e equalizadas e por fim submetidas ao procedimento de subtração radiográfica. Os resultados indicaram que a metodologia de subtração radiográfica é válida para a avaliação da perda óssea peri-implantar, assim como demonstra a literatura. No entanto, a reprodução das angulações verticais e horizontais, apresentam-se como críticas na avaliação da densidade óptica da crista óssea e demandam grande habilidade do operador para a correta aplicação. Por meio dessa técnica, conseguimos avaliar de forma quantitativa e qualitativa as alterações na faces proximais nas imagens radiográficas do acervo analisado. A subtração radiográfica, por meio da ferramenta de histograma, permitiu quantificar de forma objetiva as diferenças encontradas nas análises.<br>The peri-implant complications, in addition to implant placement in function, are frequent and their early identification could mean a therapy appropriately and consequently guarantee the success of the treatment. The aim of this research was to longitudinally evaluate of the optical density of the peri-implant alveolar bone at the cervical region, analyzed by means of the radiographic subtraction technique, a collection of digital radiographs acquired from patients previously rehabilitated with thirty seven osseointegrated implants. The radiographic controls performed in five moments, at the installation of the prostheses, after 15,90,180 and 360 days, and the intraoral radiographs were obtained by parallelism technique, with Hanshin-type positioners individualized in order to guarantee the standardization of the images. The obtained digital images were aligned and equalized and finally submitted to radiographic subtraction procedure. The results indicated that the methodology of radiographic subtraction is valid for an evaluation of the peri-implant bone loss, as well as to demonstrated at the literature. However, the reproduction of the vertical and horizontal angles, are presented as critical in the evaluation of the optical density, and demand a great ability of the operator for a correct application. Through the technique we obtained a quantitative and qualitative evaluation in the area of proximal images in the radiographic images of the analyzed data. The histogram tool applied on the radiographic subtraction images allowed to quantify objectively as the differences found in the analyzes.
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Assis, Afonso Celso Souza de [UNESP]. "Estudo da viabilidade do emprego da técnica de subtração radiográfica digital em radiografias periapicais com registro a posteriori." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/98003.

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Made available in DSpace on 2014-06-11T19:29:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-05-31Bitstream added on 2014-06-13T19:26:45Z : No. of bitstreams: 1 assis_acs_me_sjc.pdf: 596243 bytes, checksum: fb9783652a81f3cb2ec3e7e3c9337fbc (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Apesar de ser uma técnica limitada, a subtração digital é utilizada na Odontologia. A adição do computador e seus algoritmos para equalização de contraste e também correção geométrica, tornou possível a aplicação da subtração radiográfica digital (SRD), utilizando radiografias intrabucais. Neste estudo foi avaliada a viabilidade da utilização da subtração radiográfica digital pelo programa Regeemy – Image Registration and Mosaicking v.0.2.43-RCB (DPI-INPE, São José dos Campos, SP, Brazil) em radiografias periapicais digitalizadas e obtidas sem utilização de padronização rígida durante as exposições por meio de registro a posteriori. A seleção dos pontos de controle foram realizadas de forma automática e em quantidade múltipla pelo Reggemy. Esses pontos serviram como coordenadas a partir das quais o programa alinhou o par de imagens e gerou uma terceira imagem de acordo com a projeção geométrica da imagem de referência. Com o uso do Adobe Photoshop© foram selecionados os ROI das imagens utilizando guias e coordenadas. Depois de aplicados os testes estatísticos foi verificado que a metodologia do presente estudo não permite concluir que a subtração utilizando-se o programa Regeemy é inviável quando realizada sem padronização<br>The digital subtraction has been widely used in dentistry. The addition of computer and its algorithms for equalization of contrast and geometric correction also made possible the application of radiographic digital subtraction (SRD) using intraoral radiographs. This study assessed the feasibility of using X-ray digital subtraction of the program Regeemy - Image Registration and mosaicking v.0.2.43-RCB (DPI-INPE, Sao Jose dos Campos, SP, Brazil) in periapical radiographs digitized and obtained without the use of standardized rigid during the exposures by registering the event. The selection of control points were performed automatically and in quantity by multiple Reggemy. These points were used as coordinates from which the program aligned the image pair and a third image generated according to the geometrical projection of the reference image. Using Adobe Photoshop ©, we selected the ROI of the images using guides and coordinates. After applying the statistical tests we can conclude that the methodology of this study does not suggest that the subtraction using the program Regeemy is feasible when performed without standardization. It is suggested further studies to evaluate the impact of subtraction radiography with no standardization in clinical diagnosis
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Lima, Vicente José Muratore de. "\"Estudo prospectivo dos parâmetros periodontais e peri-implantares dos pilares que recebem prótese dento-implanto-suportada\"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/23/23137/tde-30102006-153856/.

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Desde a introdução dos implantes na Odontologia, controvérsias tem havido acerca da propriedade de conectar os implantes a dentes em próteses fixas. Os implantes osseointegrados não apresentam nenhum ligamento periodontal e são mais firmemente ancorados ao osso. A diferença apresentada nesta ancoragem tem levantado preocupações acerca de o implante osseointegrado, por sua firme fixação ao osso, apresentar pouca flexibilidade para dividir as cargas funcionais com os dentes conectados. O presente estudo teve como propósito acompanhar prospectivamente os parâmetros periodontais ? índice gengival, índice de sangramento, profundidade de sondagem e perda de inserção entre o dente pilar de uma prótese dento-implanto-suportada com o dente colateral do mesmo paciente, e também os parâmetros peri-implantares dos implantes que suportam estas próteses - índice gengival; índice de sangramento; profundidade de sondagem e perda de inserção. Para verificar a perda de inserção foi utilizado o recurso da subtração radiográfica da região em que a prótese foi instalada, com tomadas radiográficas efetuadas no momento da instalação da prótese, decorridos seis meses e após 12 meses de uso, com o objetivo de verificar a ocorrência, ou não, de alteração do suporte ósseo peri-implantar. Foram selecionados 12 pacientes com estado de saúde normal, apresentando área posterior de mandíbula edêntula onde estava indicada a reabilitação protética por meio de prótese fixa unindo dente a implante. Estes foram tratados com implante de um estágio de 10 mm padrão da Straumann (ITI), que apresenta um pescoço polido de 2.8mm, onde a porção do implante que permanece intra-óssea apresenta uma superfície tratada, com diâmetro de 4.1mm. O implante foi instalado no espaço onde se localizaria o retentor mais distal da futura prótese parcial fixa, seguindo o protocolo. As radiografias digitais obtidas foram avaliadas num software de subtração radiográfica, Matrox Inspector versão oito, para verificar a alteração da variação de densidade óptica e contraste das radiografias quando superpostas, sendo os valores observados no implante comparados com os critérios de sucessos , amplamente abordados nos estudos verificados. Todos os implantes instalados nos pacientes osseointegraram, não houve registro de alteração óssea ao redor dos mesmos e nos dentes pilares das próteses em avaliações feitas após seis meses e 12 meses. As próteses continuaram clinicamente em excelente estado após 12 meses de avaliação nas análises clínicas e radiográficas. Ainda, de acordo com o teste de Sinais de Postos de ilcoxon, concluiu-se estatisticamente que não houve diferença nos parâmetros peri-implantares de cada paciente durante os períodos analisados (zero, seis meses e 12 meses), bem como quando comparados com os respectivos dentes colaterais.<br>Since the introduction of implants in Dentistry, controversies have arisen about the possibility of connecting implants to teeth in fixed prostheses. Osseointegrated implants do no present any periodontal ligature and are more firmly anchored to the bone. The difference presented by this type of anchorage has led to some concern about the limited flexibility of the osseointegrated implant to share the functional loads with the connected teeth. This study intended to follow-up prospectively the periodontal parameters bleeding index, probing depth between the pillar tooth of an implant supported prosthesis with one control tooth of the same patient and also the implants that support theses prostheses. That is why subtraction radiography of the region in which the prosthesis was placed was used, with radiographs taken at prosthesis placement, after six months and one year of use to verify if the periimplant osseous support had or had not undergone changes. Twelve patients with normal health conditions were selected who presented a posterior area edentulous jaw where a prosthetic rehabilitation by a fixed prosthesis joining tooth to implant was indicated. Patients were treated with an implant of one stage of 10mm standard Straumann (ITI) with a 2.8 mm polished neck, in which the remaining intraosseous portion of the implant has a treated surface of 4.1 mm diameter. The implant was placed in the space where according to the protocol, the more distal retainer of the future fixed partial prosthesis would be located. Digital radiographs were assessed with a subtraction radiography software Matrox Inspector version eight, to corroborate the change of contrast in the radiographs when superimposed, with values observed in the implant compared with the success criteria , widely mentioned in surveyed studies. All implants placed in patients became osseointegrated. There was no record of bone change around them and in the dental pillars of the prostheses at the one year follow-up. Prostheses continue to be in excellent conditions after the one year follow-up based upon clinical and radiographic analyses. Furthermore, in accordance with the Wilcoxon test of matched pairs and signed rank, it was concluded that there was no statistical difference between each group of each patient during the time period analyzed (baseline and one year) as well as when the pillars were compared to their respective controls.
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Leung, Chung-Chu, and 梁中柱. "Use of generalized fuzzy operator in digital subtraction radiography." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31245614.

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Zhang, Hui. "Temporal subtraction of chest radiograph using graph cuts and free-form deformations." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/b40203451.

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Zhang, Hui, and 張暉. "Temporal subtraction of chest radiograph using graph cuts and free-form deformations." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B40203451.

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Woo, Mei-sum Becky, and 胡美心. "Validation and calibration of a digital subtraction radiography systemfor quantitative assessment of alveolar bone changes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31954169.

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Woo, Mei-sum Becky. "Validation and calibration of a digital subtraction radiography system for quantitative assessment of alveolar bone changes." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2517308x.

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Trifylli, Georgia. "Investigation into the role of digital subtraction radiography for monitoring healing of traumatised teeth in children." Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.713525.

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Books on the topic "Radiographic subtraction"

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G, Wasserman Alan, and Ross Allan M, eds. Cardiac application of digital angiography. Futura Pub. Co., 1989.

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H, Heintzen Paul, and Bürsch J. H, eds. Progress in digital angiocardiography. Kluwer Academic, 1988.

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Petersohn, Jeffrey D. Cervical Transforaminal/Nerve Root Injections: Fluoroscopy. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199908004.003.0004.

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This chapter reviews relevant anatomic features of the cervical spine. Discussion of details of preoperative evaluation, operative positioning, and necessary optimization of radiographic features with c-arm manipulation follows. Details of technique including use of radiocontrast injection and digital subtraction angiography are discussed in the context of optimal techniques to avoid and minimize complications. Lastly, efficacy and outcomes are discussed briefly.
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(Editor), Kyung Cho, and Irvin F. Hawkins (Editor), eds. Carbon Dioxide Angiography: Principles, Techniques, and Practices. Informa Healthcare, 2007.

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J, Cho Kyung, and Hawkins Irvin F, eds. Carbon dioxide angiography: Principles, techniques, and practices. Informa Healthcare, 2007.

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Book chapters on the topic "Radiographic subtraction"

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Nitatori, Toshiaki, Junichi Hachiya, Tateo Korenaga, and Yoshiro Furuya. "Intravenous digital subtraction angiography." In Computed Radiography. Springer Japan, 1987. http://dx.doi.org/10.1007/978-4-431-66884-8_15.

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Sonoda, Toshihide, Kouji Ikeda, Hisashi Kobayashi, and Shinji Shinohara. "Intra-arterial digital subtraction angiography." In Computed Radiography. Springer Japan, 1987. http://dx.doi.org/10.1007/978-4-431-66884-8_16.

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Kruger, R. A. "Recursive Filtering Techniques Applied to Digital Subtraction Angiography." In Digital Radiography. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5068-2_6.

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Guichón, Gabriel Mañana, and Eduardo Romero Castro. "A Distributed Evolutionary Approach to Subtraction Radiography." In Computational Intelligence in Expensive Optimization Problems. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10701-6_25.

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Ozturk, Aydin, Cengiz Gungor, Pelin Güneri, Zuhal Tuğsel, and Selin Göğüş. "A Histogram Smoothing Method for Digital Subtraction Radiography." In Advances in Information Systems. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30198-1_40.

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Park, Jeong-Hoon, Yong-Suk Choi, Gi-Ja Lee, et al. "Novel Monitoring Method of Proximal Caries Using Digital Subtraction Radiography." In Computational Biomechanics for Medicine. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5874-7_15.

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Ahn, Yonghak, and Oksam Chae. "Automatic Subtraction Radiography Algorithm for Detection of Periodontal Disease in Internet Environment." In Computational Science and Its Applications – ICCSA 2005. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11424826_77.

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Park, J. H., Y. S. Choi, G. J. Lee, et al. "Novel Detection Method for Monitoring of Dental Caries Using Single Digital Subtraction Radiography." In IFMBE Proceedings. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14998-6_118.

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Denbratt, Lisbeth, Bengt Bergman, Bjorn Bake, Ulla Grangard, and Lars Bjork. "Studies on Pulmonary Ventilation Using Digital Subtraction Radiography: A Comparison with Ventilation Perfusion Scintigraphy." In CAR’89 Computer Assisted Radiology / Computergestützte Radiologie. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52311-3_35.

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Katsuragawa, S., T. Uozumi, S. Kakeda, H. Watanabe, H. Nakata, and K. Doi. "Clinical usefulness of temporal subtraction technique for detection of interval changes on digital chest radiographs." In CARS 2002 Computer Assisted Radiology and Surgery. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-642-56168-9_115.

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Conference papers on the topic "Radiographic subtraction"

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Mañana, Gabriel, Fabio González, and Eduardo Romero. "Distributed genetic algorithm for subtraction radiography." In the 2005 workshops. ACM Press, 2005. http://dx.doi.org/10.1145/1102256.1102288.

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Manana, Gabriel, Eduardo Romero, and Fabio Gonzalez. "A Grid Computing Approach to Subtraction Radiography." In 2006 International Conference on Image Processing. IEEE, 2006. http://dx.doi.org/10.1109/icip.2006.312884.

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Dunn, Van Der Stelt, Ponce, Fenesy, and Satish Shah. "Comparing Registration Techniques For Digital Subtraction Radiography." In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.594734.

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Dunn, Stanley M., Paul F. van der Stelt, Arthur Ponce, Kim Fenesy, and Satish Shah. "Comparing registration techniques for digital subtraction radiography." In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5761373.

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Osawa, Akihiro, Eiichi Sato, Hiroshi Matsukiyo, et al. "Novel embossed radiography system utilizing energy subtraction." In Optical Engineering + Applications, edited by F. Patrick Doty, H. Bradford Barber, Hans Roehrig, and Richard C. Schirato. SPIE, 2008. http://dx.doi.org/10.1117/12.795585.

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Ikeda, Yasushi, and Yasutoshi Mizuta. "Image Subtraction Method in Digital Radiography of Welding." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2832.

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Abstract:
In order to improve contrast resolution in X-ray digital radiography, an image subtraction method was developed. Using a conventional image intensifier, welding lines of thick steel parts were tested. First the X-ray image was integrated in the image flame of an image processor used to minimize the random noise from X-ray statistic distribution. Next the image detector was slightly moved and again the X-ray image was taken, where the second image was subtracted from the first integrated image, which gave us significantly spatial noise reduction and extracting the images of only defects of welding. The contrast enhancement was possible to maximum level, so that the detectability of defects was greatly improved, being about 0.1% of detectability was obtained.
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Ozturk, Aydin, Cengiz Gungor, Selin Ergun, and Pelin Guneri. "A new subtraction radiography approach for dental applications." In 2009 IEEE 17th Signal Processing and Communications Applications Conference (SIU). IEEE, 2009. http://dx.doi.org/10.1109/siu.2009.5136543.

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von Berg, Jens, Jalda Dworzak, Tobias Klinder, et al. "Temporal subtraction of chest radiographs compensating pose differences." In SPIE Medical Imaging, edited by Benoit M. Dawant and David R. Haynor. SPIE, 2011. http://dx.doi.org/10.1117/12.877568.

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Kawaguchi, Tsuyoshi, Yoshitomi Harada, Ryoichi Nagata, and Hidetoshi Miyake. "Image registration methods for contralateral subtraction of chest radiographs." In 2010 3rd International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2010. http://dx.doi.org/10.1109/bmei.2010.5639493.

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He, Lifeng, Takeshi Inaba, Kenji Suzuki, et al. "A global registration method for temporal subtraction of chest radiographs." In International Conference on Image Processing and Pattern Recognition in Industrial Engineering, edited by Zhengyu Du and Bin Liu. SPIE, 2010. http://dx.doi.org/10.1117/12.866935.

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