Готові списки джерел за темами / Canal Deviation

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Добірка наукової літератури з теми "Canal Deviation"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Canal Deviation"

Jamleh, Ahmed, Hajar Albanyan, Ali Alaqla, et al. "Impact of cooling on shaping ability of thermally treated files in canal models with double curvature." PeerJ 11 (August 8, 2023): e15830. http://dx.doi.org/10.7717/peerj.15830.

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Background This study compared the ability of thermally treated files in shaping simulated canals with double curvature. Fifty-six canals were enlarged to a final size of 25 with ProTaper Next (PTN) or ZenFlex (ZF). Materials Half of the samples were shaped with cooled files (n = 14 each). The amount of removed resin was measured and canal deviation was determined at eight levels. Shaping time and maximum shaping torque values were also recorded. Data were statistically analyzed using analysis of variance and LSD, Kruskal–Wallis, and chi-square tests at a 0.05 significance level. Results Compa

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Das, Panna, Mohammad Ali Asgor Moral, A. K. M. Bashar, Samir Banik, Shuvendu Saha, and Mozammal Hossain. "Deviation of Root Canal Curvature Using Three Types of Rotary Instruments: An In Vitro Study." European Journal of Dental and Oral Health 5, no. 2 (2024): 19–23. http://dx.doi.org/10.24018/ejdent.2024.5.2.326.

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One of the essential requirements for a successful endodontic treatment is efficient cleaning and shaping. Since its introduction, the nickel-titanium rotary system has gained popularity due to its elasticity and suppleness in the creation of curved root canals. To assess the deviation in root canal curvature in severely curved root canals following three different rotary file system preparations. Thirty-six human permanent mandibular first molars were chosen and stored in regular saline after being newly extracted with the curve mesial root. To standardize length at 13 mm, the mesial roots we

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Kong, Lei, Wang, Long, Lu, and Yang. "A Model Predictive Water-Level Difference Control Method for Automatic Control of Irrigation Canals." Water 11, no. 4 (2019): 762. http://dx.doi.org/10.3390/w11040762.

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In this paper, automatic control of the water level in an irrigation canal by automatic regulation of intermediate gates was studied. Previous scholars have proposed a water level difference control strategy that works to keep relative deviations in all pools the same for a particular situation where the operator does not have full control over the canal inflow, with the centralized linear quadratic regulator (LQR) control method used. While in practice, the deviation tolerance of pools may differ in some canals which limits the applicability of the control strategy. In this work, a weight coe

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Nayak, Ankit, Prashant K. Jain, PK Kankar, and Niharika Jain. "Computer-aided design–based guided endodontic: A novel approach for root canal access cavity preparation." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, no. 8 (2018): 787–95. http://dx.doi.org/10.1177/0954411918788104.

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In cases of teeth with unusual morphology like calcified pulp canal, guided endodontic treatment is suggested. An endodontic guide which navigates burs according to a preplanned path is used. Existing approaches of endodontic guide design are based on visual observation and analysis of tomographic scan of teeth. Hence, they are time-consuming and expert-dependent. Computer-aided design–based methodology was employed to design and fabricate a customized endodontic guide. A cone beam computed tomographic scan with MIMICS software was used to create a solid model of the teeth. The solid model gen

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DONAHUE, S. P. "Posterior canal predominance in bilateral skew deviation." British Journal of Ophthalmology 85, no. 11 (2001): 1394c—1394. http://dx.doi.org/10.1136/bjo.85.11.1394c.

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Zhang, Ting, Du Chen, Fei Zhang, et al. "Comparison of selective laser melting and stereolithography etching templates for guided endodontics." PeerJ 12 (July 23, 2024): e17646. http://dx.doi.org/10.7717/peerj.17646.

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Background With the increasing application of guided endodontics to treat complex root canal treatment, the entire process of root canal treatment has become more precise, reducing damage to tooth structure and improving success rates. However, due to the limitations of the operating space, the use of guided endodontic templates in posterior root canal treatment is less common. This study aims to compare the accuracy and reliability of selective laser melting (SLM) and traditional stereolithography etching (SLA) guided endodontic templates for posterior root canals, providing better treatment

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Sharawy, Wael Waheed, and Wael Hamdy El Shater. "Shaping Ability of Protaper Gold and Protaper Ultimate in Simulated Root Canals: A Comparative Study." Scholars Journal of Dental Sciences 10, no. 1 (2023): 12–19. http://dx.doi.org/10.36347/sjds.2023.v10i01.003.

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This study aimed to compare the shaping ability of ProTaper Gold (PTG) and the newly developed ProTaper Ultimate (PTU) systems in artificial S-shaped canals. Both files are manufactured via gold thermal treatment methods and have variable taper along their working part. Thirty-Two S-shaped canals in clear resin blocks were prepared up to an apical size of 25 using PTU and PTG instruments (n = 16 canals/group). Resin blocks were filled with ink and photographed before & after instrumentation to develop composite images by superimposition. The amount of removed resin was measured perpendicul

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Santos, Mariana Diniz Bisi dos, Marília Fagury Marceliano, and Patrícia Rodrigues de Almeida Silva e. Souza. "Evaluation of apical deviation in root canals instrumented with K3 and ProTaper systems." Journal of Applied Oral Science 14, no. 6 (2006): 460–64. http://dx.doi.org/10.1590/s1678-77572006000600013.

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OBJECTIVES: this study evaluated the apical deviation of curved root canals instrumented with K3 and ProTaper systems. MATERIAL AND METHODS: twenty root canals of human maxillary and mandibular first molars were employed, which were divided into 2 groups: group A (10 teeth) was instrumented with the K3 system, and group B (10 teeth) with the ProTaper system. Evaluation of deviation was performed by double radiographic exposure. Radiographs were achieved before and after instrumentation, with 0.3-second, thus allowing superimposition of images. Three-dimensional computerized tomograph was perfo

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Nuchhi, Ashwini Bala Saheb, Sandhya Vikas Yatagiri, Veena Srinivas Harwalkar, and Ravi Siddanagouda Bulagouda. "Morphometric and morphological analysis of the optic canal in adult human cadavers and dry skulls." Current Medicine Research and Practice 15, no. 3 (2025): 95–99. https://doi.org/10.4103/cmrp.cmrp_59_25.

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Background: The optic canal, which connects the middle cranial fossa to the orbit, houses critical neurovascular structures. Its morphometric and morphological characteristics are essential for neurosurgical planning and anthropological studies. Aims: The objective of the study is to analyse the optic canal in adult human cadavers and compare findings with dry skulls, focusing on gender differences and anatomical variations. Materials and Methods: This osteological study included 26 cadavers and 112 dry adult human skulls. Measurements, recorded in millimetres using digital Vernier callipers,

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Bonet, Enrique, Beniamino Russo, Ricard González, Maria Teresa Yubero, Manuel Gómez, and Martí Sánchez-Juny. "The FC Algorithm to Estimate the Manning’s Roughness Coefficients of Irrigation Canals." Agriculture 13, no. 7 (2023): 1351. http://dx.doi.org/10.3390/agriculture13071351.

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Freshwater scarcity has driven the integration of technological advancements and automation systems in agriculture in order to attempt to improve water-use efficiency. For irrigation canals, water-use efficiency is, in great measure, limited by the performance of management systems responsible for controlling the flow and delivering water to the farmers. Recent studies show a significant sensitivity of the results obtained from irrigation canal control algorithms with respect to the Manning’s roughness coefficient value, thus, highlighting the importance of its correct estimation to ensure an

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Дисертації з теми "Canal Deviation"

Carvalho, Guilherme Moreira de. "Estudo sobre o transporte apical e capacidade de limpeza de sistema de instrumento único associado a diferentes técnicas de cateterismo." Universidade Federal do Amazonas, 2015. http://tede.ufam.edu.br/handle/tede/4062.

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Submitted by Geyciane Santos (geyciane_thamires@hotmail.com) on 2015-06-11T15:00:04Z No. of bitstreams: 1 Dissertação - Guilherme Moreira de Carvalho.pdf: 2393725 bytes, checksum: fd0d33f11129e6d87707bc6fcbae3763 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-06-11T20:37:45Z (GMT) No. of bitstreams: 1 Dissertação - Guilherme Moreira de Carvalho.pdf: 2393725 bytes, checksum: fd0d33f11129e6d87707bc6fcbae3763 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-06-

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Passalaqua, Bruna Pessoa. "Erros de percurso em carretas de transbordo de cana-de-açúcar." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-15052018-135225/.

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O sistema de produção canavieiro e dependente da sequência de cortes e rebrota das plantas de cana-de-açúcar. O trafego sobre a soqueira deve ser evitado para garantir a integridade fisiológica da rebrota e possibilitar a obtenção de elevada produtividade. Essa necessidade de exatidão no trafego de maquinas canavieiras impulsionou a adoção de sistemas de direcionamento automático para a otimização do trafego dos conjuntos mecanizados nas lavouras, especialmente em colhedoras. No entanto, os conjuntos de tratores e carretas de transbordo apresentam o risco de desvios do trafego ideal e trafegam

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Книги з теми "Canal Deviation"

H, Killaly H., ed. Report on the present state and proposed deviations and improvements of the Welland Canal. s.n.], 1987.

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Частини книг з теми "Canal Deviation"

Thomson, David K. "Freedom of Debt The Lessons of Government Financing before the Civil War." In Bonds of War. University of North Carolina Press, 2022. http://dx.doi.org/10.5149/northcarolina/9781469666617.003.0002.

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This chapter provides a brief comparative overview of wartime finance—specifically war bond sales—from the Revolutionary War through the Mexican War—as well as a broader discussion of state and corporate (namely railroad and canal) bond issues in the antebellum period and some of the risk of default during this era. This topical foundation is essential to understanding how (and why) the Civil War represented such a deviation in the approach to wartime finance even as it was conceptually embedded in an elaborate web of antebellum debt structures. The chapter also introduces Jay Cooke to the rea

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Leigh, R. John, and David S. Zee. "Diagnosis and Management of Vestibular Disorders." In The Neurology of Eye Movements. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199969289.003.0012.

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This chapter reviews clinical features of eye movement disorders associated with vestibular disorders. The clinical history and examination are reviewed, pointing our key symptoms and signs (with illustrative video cases), for example, in distinguishing vertigo due to stroke from peripheral vestibular disease. Acute vertigo is discussed, including forms due to infections, trauma, and toxins as well as Tullio phenomenon, fistula, canal dehiscence. Recurrent vertigo is reviewed, including Ménière’s syndrome, otosclerosis, inflammatory disorders, migraine, vascular disorders, and epilepsy. The me

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Gutmann, James L., and Paul E. Lovdahl. "Problem-Solving Challenges in Compromised Roots, Root Canal Systems, and Anatomic Deviations." In Problem Solving in Endodontics. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-323-06888-8.00013-1.

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Zhang, Meng, Qing Chun, and Bei Peng. "Research on the Construction Technology of Gable Wall of Traditional Wooden Hsien-Shan Architecture in Northern Jiangsu: A Case Study of the Canal Longwang Temple." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220875.

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At present, the academic research on traditional wooden buildings mainly focuses on the construction methods of Southern Jiangsu, but there is little in Northern Jiangsu, leading to difficulties and deviations in the conservation of traditional wooden buildings in it. This paper investigates the construction law and regional characteristics of gable walls by adopting the Canal Longwang temple, a typical Hsien-shan architectural complex in Northern Jiangsu, as a case study and analyzing the differences in construction techniques of gable walls between North and South Hsien-shan buildings. The f

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Kehoe, Marsely L. "Dutch Batavia: An Ideal Dutch City?" In Trade, Globalization, and Dutch Art and Architecture. Amsterdam University Press, 2023. http://dx.doi.org/10.5117/9789463723633_ch04.

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Batavia (now Jakarta, Indonesia) was planned from its inception as an ordered, gridded, and canalled eastern trading capital, and should have represented a Dutch ideal, yet it failed from the outset, as stagnant canals spread disease and the social order fragmented. This chapter argues that hierarchy in this city, rather than a deviation from Dutch values, is integral to both this colonial environment as well as Dutch planning more generally. The betrayal of Dutch social values, instead, was that the hierarchy in Batavia was made visible in behavior, dress, and the form of the city itself, as

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Тези доповідей конференцій з теми "Canal Deviation"

Thie, Edwin, and Oriol Casas Cancer. "Footbridge - Cirkelbrug." In Footbridge 2022 (Madrid): Creating Experience. Asociación Española de Ingeniería Estructural, 2022. http://dx.doi.org/10.24904/footbridge2022.101.

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<p>The new footbridge near Almere in the Netherlands will facilitate a safe crossing over the Waterlandseweg and improve the recreational network in the area. The slender 240m long steel bridge generates two unique balconies on top of the bridge. The balconies and the shape of the bridge invites the user to enjoy the different views of the surroundings. The paper will further elaborate on the architectural design and user experience. The meandering shape leads to a constantly changing cross section, which was interesting translating to a rational structural design, and for assessing the

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Silvério, Gabriel André, Pedro Arthur Possan, Mateus Pinto Marchetti, et al. "Multiple cranial couple syndrome secondary to neurosyphilis: case report." In XIV Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s1.548.

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Male, 62-year-old, with Type 2 Diabetes Mellitus, seeks care due to altered balance and worsening palpebral ptosis. The patient had had peripheral facial palsy on the left for 40 days and was treated at another institution with oral prednisone and acyclovir for three days. Ten days ago, he had started with ipsilateral palpebral ptosis, associated with binocular diplopia and divergent strabismus also on the left in the primary gaze position. He also complained that during this period he had worsened visual acuity and frequent falls, which he related to imbalance. Upon inspection, he presented m

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Sharifi, Navid, and Majid Sharifi. "CFD Evaluation of Steam Properties Within Thermo-Compressors With Two Different Numerical Approches." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64672.

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Thermo-compressors are among the most important facilities in thermal desalination systems. Such devices are compressing and recycling the useless vapors and hence effectively enhancing the efficiency of desalination units. Since the connection between the evaporator box and suction surface is not perfectly symmetric, it is necessary to consider the effect of this curved path on pressure loss at the inlet boundary. In this study, a numerical procedure is developed to achieve reliable results in thermo-compressors through using CFD simulations. Two approaches are examined: axisymmetric and full

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Rufino, Adonai Alencar, Beatriz Girão Portela, Alan Alves de Lima Cidrão, Deborah Moreira Rangel, and Vitor Araújo Marinho. "Unraveling the mysteries of the midbrain – A case report." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.623.

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Context: The rostral midbrain and thalamomesencephalic junction are the supranuclear premotor control of vertical eye movements, and is supplied by the posterior thalamo-subthalamic paramedian artery originated from P1 segment of posterior cerebral artery. Case report: A 51-year-old man presented with sudden speech difficulties, dizziness and dyplopia, associated with moderate intensity headache. Neuroophthalmological examination revealed incomplete ptosis of the right eye, with mydriatic pupil, poorly reactive to light. No eye movements were present on attempted upward gaze. On attempted down

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