Relevant bibliographies by topics / Orthodontic Wires

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Orthodontic Wires'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Orthodontic Wires"

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Aseel Mohammed Ali Hussein. "MECHANICAL ANALYSIS OF ORTHODONTIC WIRES." Diyala Journal of Engineering Sciences 5, no. 1 (June 1, 2012): 172–80. http://dx.doi.org/10.24237/djes.2012.05114.

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Orthodontic tooth movement is a physiologic response to externally applied forces; the motive forces are primarily mechanical. The optimal application of orthodontic force enables maximum movement of teeth with minimal irreversible damage of the periodontal ligament (PDL), alveolar bone, and teeth. Since arch wires are the main force system in orthodontics, it is important in clinical practice that they deliver appropriate, predictable and repeatable forces during treatment. These specialized wires even promise shape memory properties and the possibility of super elastic behavior, which significantly impacts clinical practices. Since, standard stainless steel and titanium arch wires are still the materials of choice in many stages of treatment. They provide an attractive combination of stiffness, resilience and formability. However, clinical practitioners have commented on the variability of arch wire behavior for years. Inconsistent arch wire properties can contribute to unpredictable treatment duration and results. This paper examines the mechanical and physical characteristics of stainless steel and titanium wires to quantify their variability in engineering terms. From the results for both types of wires, the testing method provides the information required by designers wishing to improve the arch wire properties and provide valuable information to clinicians for their practice.
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Missier, Mary Sheloni, R. Mahesh, S. P. Saravana Dinesh, S. Rajeshkumar, and V. Amalorpavam. "In-Vitro Cytotoxic Evaluation of Titanium Dioxide Nanoparticle Using L929 Cell Lines." Journal of Pharmacy and Bioallied Sciences 16, Suppl 2 (April 2024): S1468—S1473. http://dx.doi.org/10.4103/jpbs.jpbs_824_23.

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ABSTRACT Tooth movement in orthodontic therapy is connected to the frictional force that is created as the wire passes over the bracket. It is possible for teeth to move quickly when friction is at a minimum. Wires coated with nanoparticles have been found to reduce friction as a result of current developments in the orthodontics sector. Having an antimicrobial property is an added benefit. To reduce the friction generated by brackets, wires, and bands by lessening their cytotoxicity, this study examines the potential use of TiO2 nanoparticles in orthodontics. A monolayer of L929 was utilized in an indirect cytotoxicity test to evaluate the cytotoxicity of the coated orthodontic wire. The absence of reactive zones in our sample data demonstrates that TiO2 is not cytotoxic. Considering the results of our study, we conclude that TiO2 is secure for use as a coating for orthodontic devices.
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Hoseini, Mohammad, Seyed Morteza Saadat Mostafavi, Navid Rezaei, and Ehsan Javadzadeh Boluri. "Orthodontic Wire Ingestion during Treatment: Reporting a Case and Review the Management of Foreign Body Ingestion or Aspiration (Emergencies)." Case Reports in Dentistry 2013 (2013): 1–3. http://dx.doi.org/10.1155/2013/426591.

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Today orthodontic treatment is in growing demand and is not limited to a specific age or social group. The nature of orthodontic treatment is such that the orthodontic wires and appliances, which are used to apply force and move the teeth, are exposed to the oral cavity. Shaping and replacing these wires in oral cavity are the major assignments of orthodontist on appointments. Therefore, we can say that orthodontic treatment requires working with dangerous tools in a sensitive place like oral cavity which is the entrance of respiratory and digestive systems. In this paper, a case of ingesting a broken orthodontic wire during eating is reported, and also necessary remedial measures at the time of encountering foreign body ingestion or aspiration are provided.
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Anuwongnukroh, Niwat, Yosdhorn Chuankrerkkul, Surachai Dechkunakorn, Pornkiat Churnjitapirom, and Theeralaksna Suddhasthira. "Bending Properties of General Purpose Stainless Steel Wire Formed for Orthodontic Use." Advanced Materials Research 746 (August 2013): 394–99. http://dx.doi.org/10.4028/www.scientific.net/amr.746.394.

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The archwire is generally used in fixed appliances for orthodontic treatment to correct dental malocclusion. However, it is interesting to know whether general purpose stainless steel wire could replace commercial orthodontic archwire in orthodontic practice for economic reasons. The purpose of this study was to determine the bending properties of general purpose stainless steel wire compared with commercial orthodontic stainless steel wires after forming as an archwire for orthodontic use. The samples used in this study were 90 general purpose and 45 commercial (Highland) round stainless steel wires in 0.016, 0.018, and 0.020 sizes (30 general purpose and 15 commercial wires for each size). All 15 general purpose stainless steel wires with different sizes were formed into orthodontic archwire with a Universal Testing Machine. All samples were tested (three-point bending test) for mechanical properties. The results showed no significant difference between general purpose and commercial orthodontic wires in size 0.016 for 0.1 mm offset bending force, 0.2% yield strength, and springback. Although many mechanical properties of general purpose wires differed from commercial wires, their values conformed to other previous studies within the range of clinical acceptance. In conclusion, orthodontic formed general purpose round stainless steel wires had statistically different (p <0.05) mechanical properties from commercial orthodontic stainless steel wires (Highland) but the mechanical properties were acceptable to use in orthodontic treatment.
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Anuwongnukroh, Niwat, Surachai Dechkunakorn, Pornkiat Churnjitapirom, Ekkapot Sukhanun, Tunwa Intrarasuksanti, Pattara Jarounkonkit, and Sutipong Sarakul. "Comparison of Properties between General Purpose Stainless Steel Wire and Commercial Orthodontic Stainless Steel Wire." Advanced Materials Research 378-379 (October 2011): 706–10. http://dx.doi.org/10.4028/www.scientific.net/amr.378-379.706.

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In Thailand, commercial orthodontic stainless steel wires are imported from overseas and expensive. However, lower cost general purpose stainless steel wires, the same type and number as commercial orthodontic stainless steel wires may be used for orthodontic purposes. Objective: This study aimed to determine the physical, mechanical and chemical properties of general purpose stainless steel wire compared with commercial orthodontic stainless steel wires. Materials and Method: Two commercial orthodontic stainless steel wires (Ormco and Highland) and general purpose stainless steel wire (SUS 304H) were evaluated. The physical and mechanical properties were studied according to ISO 15841:2006 and corrosion resistance was studied according to ISO 10271:2001. Surface characteristics and composition were studied by scanning electron microscope (SEM) and electron probe micro analyzer, respectively. Results: The experiment indicated that SUS 304H had the diameter and mechanical properties in the range of orthodontic stainless steel wires. The surface characteristics SUS 304H were similar from observation by SEM magnifications but SUS 304H had lower corrosion resistance due to lower nickel content. The composition confirmed that the three samples wires were genuine type 304. Conclusion: SUS 304H properties are comparable to commercial orthodontic wire properties.
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Sawas, Mohamed Ali, Mohammed Ahmed Al Nassir, Lojain Mohammed Nayas, Meshari Nasser Alabdulkarim, Farah Youssef Faden, Almaha Saud Alghamlas, Hussein Masoud Alqahtani, et al. "Mechanical properties and clinical significance of orthodontic wires." International Journal Of Community Medicine And Public Health 9, no. 2 (January 28, 2022): 932. http://dx.doi.org/10.18203/2394-6040.ijcmph20220047.

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Orthodontic treatment is usually conducted by applying forces to certain teeth to move them into a targeted position. Orthodontic wires have been reported to be the primary modalities used in fixed-appliances-based orthodontic treatment to induce favorable tooth movement events. Accordingly, acquiring adequate knowledge about these approaches' clinical applications and biochemical behavior is essential when planning for a successful orthodontic treatment. Orthodontic wires are widely used and are mainly composed of composites, polymers, alloys and metals. Accordingly, the physical properties and clinical application of orthodontic wires vary based on their composition. In this context, it was recommended that achieving favorable outcomes of orthodontic treatment obliges clinicians to decide the best orthodontic wire and treatment plan based on the chemical properties and related clinical applications of each wire. Therefore, wires that tend to produce increasing stiffness gradually are generally used. However, it should be noted that no ideal wire exists. Therefore, favoring the application of a wire over the other should be based on the intended outcomes and stage of the treatment process.
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KOIKE, Fernando, Hiroshi MARUO, Rogério LACERDA-SANTOS, Matheus Melo PITHON, and Orlando Motohiro TANAKA. "Mechanical properties of orthodontic wires on ceramic brackets associated with low friction ligatures." Revista de Odontologia da UNESP 46, no. 3 (March 28, 2017): 125–30. http://dx.doi.org/10.1590/1807-2577.19716.

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Abstract Introduction Few studies investigated the mechanical properties of orthodontic wires on ceramic brackets associated the ligatures. Objective This study aimed to compare the load-deflection of orthodontic wires with round section of 0.016” made of stainless steel (SS), nickel-titanium (NiTi) and glass fiber-reinforced polymer composite (GFRPC). Material and method Sixty specimens obtained from 10 sectioned pre-contoured arches (TP Orthodontics), were divided into 3 groups of 20 according to each type of material (1 esthetic-type wire and 2 not esthetic) and length of 50 mm. The methodology consisted of a 3-point bending test using esthetic ceramic brackets (INVU, TP Orthodontics, Edgewise, 0.022”x 0.025”) as points of support. The tensile tests were performed on a mechanical test machine, at a speed of 10 mm/min, deflection of 1 mm, 2 mm and 3 mm. Friedman’s Non Parametric Multiple comparisons test was used (P<0.05). Result The nickel-titanium wire presented smaller load/ deflection compared with stainless steel. GFRPC wires had lower strength values among all groups evaluated (P<.05). The steel wire showed permanent deformation after 3 mm deflection, NiTi wire demonstrated memory effect and the esthetic type had fractures with loss of strength. Conclusion It can be concluded that steel wires have high strength values, requiring the incorporation of loops and folds to reduce the load / deflection. NiTi and GFRPC wires produced low levels of force, however the esthetic wire was shown to fracture and break.
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Das, Monalisa, Naina Pattnaik, Debashish Dash, Sreeman S. Swadesh, Shakti Rath, Pranav V. Manek, and Ramanpal S. Makkad. "Comparative Evaluation of Antibacterial and Anti-Adherent Properties between Titanium Oxide, Silver Dioxide-Coated, and Conventional Orthodontic Wires Against Streptococcus Sanguis Causing Gingivitis." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (February 2024): S948—S950. http://dx.doi.org/10.4103/jpbs.jpbs_1174_23.

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ABSTRACT Objective: To compare the antibacterial and anti-adherent properties of conventional stainless steel (SS) orthodontic wires and surface-modified silver dioxide-coated and titanium oxide-coated SS orthodontic wires against Streptococcus sanguis causing gingivitis Materials and Methods: The study used 60 orthodontic SS wire specimens, organized into six groups of ten each. The control group had uncoated wires, and the experimental group featured wires coated with silver dioxide and titanium oxide. Surface modification was done using DC sputtering, and microbiological tests assessed the antibacterial and anti-adherent properties of the AgO2- and TiO2-coated wires. Results: This study demonstrated the antibacterial effect against S. sanguis in orthodontic wires coated with the photocatalytic AgO2 and TiO2 compared to the uncoated wires. Also, this study demonstrated an anti-adherent effect in the AgO2- and TiO2-coated orthodontic wires. Moreover, the bacterial accumulation on orthodontic wires coated with AgO2 and TiO2 was lower compared to that on the uncoated wires Conclusion: During orthodontic treatment, the formation of dental plaque can be prevented by coating the surface of stainless-steel orthodontic wires with photocatalytic AgO2 and TiO2. Compared to silver dioxide, the titanium oxide-coated SS orthodontic wires showed better antibacterial and anti-adherent properties.
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Shetty, Sharath Kumar, Arushi Verma, Mahesh Kumar Y, and Vijayananda K. Madhur. "Newer Archwires in Orthodontics." Scholars Journal of Dental Sciences 8, no. 7 (August 13, 2021): 217–19. http://dx.doi.org/10.36347/sjds.2021.v08i07.005.

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Recent advances in orthodontic wire alloys have resulted in a varied array of wires that exhibit a wide spectrum of properties. Appropriate use of these wires may enhance the patient comfort; reduce the chair side time and duration of the treatment. Though superior materials and techniques are now available and many replace conventional methods, one should keep in mind that no arch wire is ideal or best for all stages of treatment. Since arch wires are the main force system in orthodontics, the knowledge about newer arch wires will help us to select the appropriate wire within the context of their intended use during treatment.
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Rampon, Fabio Brandalise, Celestino Nóbrega, José Luiz Gonçalves Bretos, Franco Arsati, Sérgio Jakob, and Maria Cristina Jimenez-Pellegrin. "Profile of the orthodontist practicing in the State of São Paulo - Part 2." Dental Press Journal of Orthodontics 18, no. 1 (February 2013): 32e1–32e6. http://dx.doi.org/10.1590/s2176-94512013000100008.

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INTRODUCTION: The choice of brackets, bands and wires is a very important aspect of orthodontic treatment. Stainless steel prevailed for a long time, but new alloys and resources have emerged to diversify the orthodontic wire mechanics. OBJECTIVE: This study aimed to investigate the profile and materials used by orthodontists practicing in the State of São Paulo, Brazil. METHODS: A questionnaire was sent to 2,414 specialists in Orthodontics and Dentofacial Orthopedics registered with the Regional Board of Dentistry of São Paulo State (CRO-SP). To assess the association between qualitative variables, the Chi-square association test was employed at 5% significance level. RESULTS: Five hundred and ninety-three (24.65%) questionnaires were completed and sent back. Efficiency was the key reason given by the professionals for choosing a particular material. The majority showed a preference for metal brackets (98%), followed by ceramics (32%) and polycarbonate (7.8%). The most widely used brackets had 0.022 x 0.028-in slots (73.2%). Regarding orthodontic wires, 88.2% employed round steel wires and conventional round NiTi wires, while 52.6% used round heat-activated NiTi and 46.5% rectangular TMA wires. Elastics (92.9%) were the most widely used method to tie the orthodontic archwire to the bracket. CONCLUSIONS: In this survey, the orthodontists claimed that efficiency was the major motivator for choosing orthodontic materials. Conventional brackets tied with conventional elastic ligatures are still the most used by the professionals. Among steel and conventional Nitinol wires, round wires ranked first. The use of resources recently available to Brazilian orthodontists, such as self-ligating brackets and mini-implants, was not significant.
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Dissertations / Theses on the topic "Orthodontic Wires"

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Singh, Jagjit. "The mechanical properties and microstructure of orthodontic wires /." Title page, contents and summary only, 1992. http://web4.library.adelaide.edu.au/theses/09DM/09dms617a.pdf.

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Reddick, Chad R. "A comparative study of nonextraction treatment efficiency using conventional edgewise brackets and self-ligating brackets." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2007. https://www.mhsl.uab.edu/dt/2009r/reddick.pdf.

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Allen, Katherine Ruth. "Methods of testing the mechanical properties of orthodontic wires /." Title page, table of contents and summary only, 1994. http://web4.library.adelaide.edu.au/theses/09DM/09dma427.pdf.

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Bovenizer, Todd S. "An in-vitro investigation of frictional resistance of self-ligating and ceramic brackets when subjected to different ligation methods and tipping angles." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4467.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains x, 97 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 69-76).
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Cox, Stan C. "A comparative study of extraction treatment efficiency using conventional edgewise brackets and self-ligating brackets." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008m/cox.pdf.

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Ali, Khaled Abedela Mahdi. "Application of zirconium-coated titanium wires as restorative orthodontic materials." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1532.

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Thesis submitted in fulfillment of the requirements for the degree Magister of Technology: Dental Technology In the Faculty of Health & Wellness Sciences At the Cape Peninsula University of Technology 2013
Orthodontic archwires are made from different alloys. It is now possible to match phases of treatment with orthodontic archwires according to its mechanical properties. On this basis, the titanium molybdenum alloys (TMA) in its beta phase have an excellent combination of strength and flexibility when used as archwires to apply biomechanical forces that affect tooth movement. It has recently gained increased popularity in orthodontic treatment. There are, however, disadvantages associated with the use of orthodontic archwires, such as high surface roughness, which increases friction at the archwire-brackets interface during the sliding process. The surface roughness of dental materials is of utmost importance. Properties such as desirable tensile strengths, load deflection, hardness and low modulus of elasticity and resistance against corrosion & wear determine the area of the contact surface, thereby influencing the friction. The main object of this study was to improve the strength and surface roughness of the beta-titanium orthodontic archwires (β-Ti III) and timolium archwires (TIM), taking into account of retention of the archwires strength. The following tasks were performed. Layers of Zr were deposited on the β-Ti archwires and compared with the archwire strength before and after Zr deposition. The structure of selected archwires and its composition and surface roughness was investigated before and after Zr deposition, using scanning electron microscopy (SEM) and atomic force microscopy (AFM). The force of selected archwires before and after deposition with layers of Zr by Hounsfield deflection testing was studied. Two commercially available orthodontic archwires were used in this study, namely, β-Ti III and TIM orthodontic archwires. The archwires were cut into 25 mm long specimens. In this study, the electron beam-physical vapour deposition (EB-PVD) technique was applied to deposit pure Zr (thicknesses of 5, 10, 25 and 50 nm) on selected archwires and the effects thereof were investigated using AFM, SEM and the Hounsfield deflection test. Results of SEM and AFM analysis and deflection tests showed significant differences between Zr-coated archwires compared with uncoated archwires. Zr-coated archwires (5, 10, 25 and 50 nm depositions) had reduced surface roughness compared with uncoated archwires. A high load deflection rate was exhibited by the coated β-Ti III archwires and a low load deflection rate was exhibited by the coated TIM archwires. There was a difference in load deflection rate between the coated and uncoated archwires. Deposition of 5, 10, 25 and 50 nm Zr on both types of β-Ti orthodontic archwires is recommended for even sliding mechanics due to resulting reduced surface roughness with a good load deflection rate compared with uncoated β-Ti orthodontic archwires. KEYWORDS Surface roughness Zirconium Titanium Deflection test Beta titanium orthodontic archwires Orthodontic archwires alloys Coated materials Electron beam-physical vapour deposition Scanning electron microscopy Atomic force microscopy
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Mah, Edward. "Investigation of frictional resistance on orthodontic brackets when subjected to variable moments." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2285.

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Thesis (M.S.)--West Virginia University, 2002.
Title from document title page. Document formatted into pages; contains x, 101 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 90-100).
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Sakima, Cristiane Graciano Ponce [UNESP]. "Avaliação das propriedades mecânicas de fios de Níquel-Titânio após incorporação de dobras e/ou tratamento elétrico." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/95761.

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Made available in DSpace on 2014-06-11T19:27:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-03-27Bitstream added on 2014-06-13T19:36:11Z : No. of bitstreams: 1 sakima_cgp_me_arafo.pdf: 875892 bytes, checksum: 0b407b85b7e24386d401869c06430798 (MD5)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
A possibilidade de usar fios superelásticos retangulares com níveis de força mais leves (biológicos) permitiria simultâneo alinhamento, nivelamento e torque, o que resultaria em um menor número de fios utilizados, reduzindo custos e tempo de tratamento. Existe uma tendência, principalmente na ortodontia lingual, de se dobrar fios superelásticos (manualmente ou com tratamento térmico/elétrico) para adequar o fio à forma do arco. O objetivo deste trabalho foi avaliar as propriedades mecânicas de fios de NiTi de quatro marcas comerciais diferentes (0,017 x 0,025) após dobras e tratamento elétrico. Os fios foram dobrados com alicates elétricos (sistema DERHT) e com alicate 139 e depois foram comparados com fios retos sem nenhum tratamento (grupo controle) e fios retos com tratamento elétrico sem dobras (grupo controle tratamento elétrico). Na tentativa de simular uma situação clínica, todos os fios foram testados a 36oC na máquina de testes FSI (Sistema Identificador de Forças). Foram testados usando-se braquetes autoligáveis tipo Damon, simulando ativações em segunda ordem de 0 mm a 2 mm. Foram analisadas as seguintes variáveis: força e deslocamento no ponto do limite elástico, força máxima, energia total, energia dissipada, energia perdida, força e deslocamento no início e no fim do platô, inclinação e comprimento do platô. As diferenças estatísticas para os diferentes fios, nos diferentes testes, foram avaliadas pela ANOVA. Os resultados mostraram que: (1) o tratamento elétrico afetou as propriedades mecânicas de todos os fios de maneira geral, existindo uma tendência de diminuição nos níveis de força; (2) quando os fios receberam dobras, todos perderam os platôs de superelasticidade; (3) se o uso de forças leves e constantes é desejável no tratamento ortodôntico, os fios termodinâmicos deveriam ser recomendados na seguinte ordem: Copper NiTi 400, Neo Sentalloy 100 e Copper NiTi 270.
The possibility of using superelastic rectangular Nickel-Titanium wires in early stages of treatment with light forces, could allow more three-dimensional control, a small number of wires, lowering costs and treatment time. There is a tendency, especially in lingual orthodontics of bending superelastic wires (manually or with heat treatment) to adequate the wire in the arch anatomy. The aim of this study was to evaluate the mechanical properties of four commercially available 0.017 x 0.025 inch NiTi archwires after bending and heat treatment. The wires were bent with electrical pliers (DERHT System) and with standard bird beak plier and then compared with straight wires as a control group and another electrical treatment control group. All the wires were tested at 360 C in an orthodontic wire-testing device, a so called Force System Identification (FSI) apparatus. In the FSI a two-bracket system using self ligating Damon brackets simulated second order displacements up to 2 mm. The following variables from the activation/deactivation curves were calculated: force and displacement at yield point, maximum force level, total energy up to maximum displacement, energy loss after deactivation, force and displacement at the beginning and at finish of the plateau, and the slope and length of the plateau. Any statistically significant differences in these variables for the different brands and tests were analyzed using one-way analysis of variance. The results showed that: (1) the electrical treatment affected the characteristics of all the wires tested in a different way but with a tendency of lowering the force levels. (2) When the wires were bent they all lost activation and deactivation plateau of superelasticity. (3) If the use of low and constant force levels are desirable in orthodontic treatment, the thermodynamic wires should be recommended in the following order: Copper Niti 400 , NeoSentalloy 100 and Copper Niti 270.
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Sakima, Cristiane Graciano Ponce. "Avaliação das propriedades mecânicas de fios de Níquel-Titânio após incorporação de dobras e/ou tratamento elétrico /." Araraquara : [s.n.], 2006. http://hdl.handle.net/11449/95761.

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Orientador: João Roberto Gonçalves
Banca: Cyneu Aguiar Pansani
Banca: Arno Locks
Resumo: A possibilidade de usar fios superelásticos retangulares com níveis de força mais leves (biológicos) permitiria simultâneo alinhamento, nivelamento e torque, o que resultaria em um menor número de fios utilizados, reduzindo custos e tempo de tratamento. Existe uma tendência, principalmente na ortodontia lingual, de se dobrar fios superelásticos (manualmente ou com tratamento térmico/elétrico) para adequar o fio à forma do arco. O objetivo deste trabalho foi avaliar as propriedades mecânicas de fios de NiTi de quatro marcas comerciais diferentes (0,017" x 0,025") após dobras e tratamento elétrico. Os fios foram dobrados com alicates elétricos (sistema DERHT) e com alicate 139 e depois foram comparados com fios retos sem nenhum tratamento (grupo controle) e fios retos com tratamento elétrico sem dobras (grupo controle tratamento elétrico). Na tentativa de simular uma situação clínica, todos os fios foram testados a 36oC na máquina de testes FSI (Sistema Identificador de Forças). Foram testados usando-se braquetes autoligáveis tipo Damon, simulando ativações em segunda ordem de 0 mm a 2 mm. Foram analisadas as seguintes variáveis: força e deslocamento no ponto do limite elástico, força máxima, energia total, energia dissipada, energia perdida, força e deslocamento no início e no fim do platô, inclinação e comprimento do platô. As diferenças estatísticas para os diferentes fios, nos diferentes testes, foram avaliadas pela ANOVA. Os resultados mostraram que: (1) o tratamento elétrico afetou as propriedades mecânicas de todos os fios de maneira geral, existindo uma tendência de diminuição nos níveis de força; (2) quando os fios receberam dobras, todos perderam os platôs de superelasticidade; (3) se o uso de forças leves e constantes é desejável no tratamento ortodôntico, os fios termodinâmicos deveriam ser recomendados na seguinte ordem: Copper NiTi 400, Neo Sentalloy 100 e Copper NiTi 270.
Abstract: The possibility of using superelastic rectangular Nickel-Titanium wires in early stages of treatment with light forces, could allow more three-dimensional control, a small number of wires, lowering costs and treatment time. There is a tendency, especially in lingual orthodontics of bending superelastic wires (manually or with heat treatment) to adequate the wire in the arch anatomy. The aim of this study was to evaluate the mechanical properties of four commercially available 0.017 x 0.025 inch NiTi archwires after bending and heat treatment. The wires were bent with electrical pliers (DERHT System) and with standard bird beak plier and then compared with straight wires as a control group and another electrical treatment control group. All the wires were tested at 360 C in an orthodontic wire-testing device, a so called Force System Identification (FSI) apparatus. In the FSI a two-bracket system using self ligating Damon brackets simulated second order displacements up to 2 mm. The following variables from the activation/deactivation curves were calculated: force and displacement at yield point, maximum force level, total energy up to maximum displacement, energy loss after deactivation, force and displacement at the beginning and at finish of the plateau, and the slope and length of the plateau. Any statistically significant differences in these variables for the different brands and tests were analyzed using one-way analysis of variance. The results showed that: (1) the electrical treatment affected the characteristics of all the wires tested in a different way but with a tendency of lowering the force levels. (2) When the wires were bent they all lost activation and deactivation plateau of superelasticity. (3) If the use of low and constant force levels are desirable in orthodontic treatment, the thermodynamic wires should be recommended in the following order: Copper Niti 400 , NeoSentalloy 100 and Copper Niti 270.
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10

O'Leary, Brian C. "Corrosion between orthodontic archwires and bracket couples." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1301.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains viii, 94 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 46-49).
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Books on the topic "Orthodontic Wires"

1

Nakajima, Eiichirō. Manual of wire bending techniques. Chicago: Quintessence Pub., Co., 2010.

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Mendes, Kevin C. Frictional characteristics of ion implanted orthodontic arch wires and brackets. [Toronto: Faculty of Dentistry, University of Toronto], 1995.

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Andrews, Lawrence F. Straight wire: The concept and appliance. San Diego: L.A. Weels, 1989.

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Andrews, Lawrence F. Straight wire: The concept and appliance. San Diego, CA: L.A. Wells, 1989.

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Lingual orthodontics: A new approach using STb light lingual system & lingual straight wire. London [u.a.]: Quintessence, 2010.

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Andrews, Lawrence F. Straight Wire. L. A. Wells Company, 1989.

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Pedetta, Francesco. New Straight Wire. Quintessence Publishing Company, Incorporated, 2020.

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Book chapters on the topic "Orthodontic Wires"

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Li, Xiao Ji, Jian Qiu Wang, En Hou Han, and Wei Ke. "Stress Corrosion Cracking of NiTi Orthodontic Wires in Sodium Fluoride Solution." In Frontiers in Materials Science and Technology, 79–82. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-475-8.79.

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Gill, Daljit S., and Farhad B. Naini. "The Straight Wire Appliance." In Orthodontics: Principles and Practice, 294–99. West Sussex, UK: John Wiley & Sons, Ltd,., 2013. http://dx.doi.org/10.1002/9781118785041.ch31.

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Castro, S., M. J. Ponces, J. D. Lopes, M. Vasconcelos, J. C. Reis Campos, and C. Pollmann. "Orthodontic stainless steel wire and nickel release." In Biodental Engineering V, 113–14. London, UK; Boca Raton, FL: Taylor & Francis Group, [2019] |: CRC Press, 2019. http://dx.doi.org/10.1201/9780429265297-24.

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Kobayashi, S., Y. Ohgoe, K. Ozeki, Li Gei, K. K. Hirakuri, and Hideyuki Aoki. "Biocompatibility of Diamond-Like Carbon Coated NiTi Orthodontic Wire and Acrylic Resin Teeth." In Bioceramics 17, 783–86. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-961-x.783.

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Yamagata, Shuichi, Junichiro Iida, and Fumio Watari. "FRP Esthetic Orthodontic Wire and Development of Matrix Strengthening with Poly(methyl methacrylate)/Montmorillonite Nanocomposite." In Handbook of Polymernanocomposites. Processing, Performance and Application, 319–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38649-7_19.

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Alla, Rama. "Orthodontic Wires." In Dental Materials Science, 217. Jaypee Brothers Medical Publishers (P) Ltd., 2013. http://dx.doi.org/10.5005/jp/books/12018_8.

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Tüfekçi, Eser, and Steven Lindauer. "Orthodontic Wires." In Encyclopedia of Biomaterials and Biomedical Engineering, Second Edition - Four Volume Set, 2054–60. CRC Press, 2008. http://dx.doi.org/10.1201/b18990-197.

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"Orthodontic Wires." In Encyclopedia of Biomaterials and Biomedical Engineering, Second Edition, 2054–60. CRC Press, 2008. http://dx.doi.org/10.1081/e-ebbe2-120023191.

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"4 Orthodontic Wires." In Orthodontic Materials, edited by William A. Brantley and Theodore Eliades. Stuttgart: Georg Thieme Verlag, 2001. http://dx.doi.org/10.1055/b-0034-43092.

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Hikmetnur, Danisman. "The Application of Nanotechnology in Orthodontics: Current Trends and Future Perspectives." In Dentistry. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.113247.

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Molecular nanotechnology is an engineering discipline that aims to construct devices and structures with precise placement of every atom. This discipline has emerged as an important innovation used in the fields of medicine and dentistry. Nanotechnology also has various applications in the field of orthodontics. Nanotechnology is being employed to enhance orthodontic treatment procedures by utilizing materials and coatings at the nano-sized. Nanocoatings improve the surface properties of orthodontic brackets and wires, reducing friction, while nanocomposites strengthen the materials. In addition, the utilization of nanosolutions and the inclusion of nanomaterials in orthodontic agents aim to enhance oral hygiene and prevent white spot lesions (WSLs) by incorporating antimicrobial agents and effective products in nano-sized form. Smart materials and nanosensors also play a crucial role in the treatment process. These advancements brought by nanotechnology hold potential to deliver more effective and comfortable treatments in orthodontics.
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Conference papers on the topic "Orthodontic Wires"

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Khonsari, S. K., N. Towhidi, M. Siadat Cheraghi, S. R. Allahkaram, and T. Rabizadeh. "Pt nanoparticles coating on orthodontic Ni-Ti wires using pulse current." In 2011 IEEE Nanotechnology Materials and Devices Conference (NMDC 2011). IEEE, 2011. http://dx.doi.org/10.1109/nmdc.2011.6155278.

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Kirana, Siti Salsabila, and Elza Ibrahim Auerkari. "Genotoxicity of NiTi orthodontic wires induced by the release of metal ions." In THE 5TH BIOMEDICAL ENGINEERING’S RECENT PROGRESS IN BIOMATERIALS, DRUGS DEVELOPMENT, AND MEDICAL DEVICES: Proceedings of the 5th International Symposium of Biomedical Engineering (ISBE) 2020. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0047255.

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Petrov, Valeri, Laura Andreeva, George Petkov, Mirella Gueorguieva, Angelina Stoyanova-Ivanova, and Stiliyan Kalitzin. "Modelling of nickel release dynamics for three types of nickel-titan orthodontic wires." In the 2nd International Conference. New York, New York, USA: ACM Press, 2019. http://dx.doi.org/10.1145/3309772.3309792.

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Biffi, Carlo Alberto, Jacopo Fiocchi, Chiara Bregoli, Alberto Coda, Jannis Nicolas Lemke, Francesca Sisto, and Ausonio Tuissi. "Enhancement of Antibacterial Activity in NiTi Based Shape Memory Alloy Produced by Additive Manufacturing." In SMST 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.smst2024p0025.

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Abstract Superelastic NiTi (Nitinol) alloy is a smart material applied in the biomedical sector for devices, such as stents, implants and orthodontic wires. Nevertheless, after surgery, one of the major causes of failure, which requires the explantation of the device, is linked to bacterial infections. Therefore, development of antibacterial materials becomes an important task in the biomedical field. In this light, the present study investigates the integration of pseudoelasticity of Nitinol withan antibacterial response for realizing advanced implantable devices.
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Konh, Bardia. "Finite Element Studies of Triple Actuation of Shape Memory Alloy Wires for Surgical Tools." In 2018 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dmd2018-6857.

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Since the early discovery in 1951 [1], shape memory alloys (SMAs) have been used in design and development of several innovative engineering systems. SMAs’ unique characteristics have introduced unconventional alternatives in design and development of advanced devices. SMA’s field of applications has covered many areas from aerospace to auto industries, and medical devices [2]. During the past couple of decades, scientists have suggested material models to predict the SMA’s shape memory effect (SME) and its superelastic behavior. The superelastic characteristic of SMAs (its capability to exhibit a large recoverable strain) has been widely used to develop innovative products including biomedical implants such as stents, artificial heart valves, orthodontic wires, frames of indestructible spectacles, etc. However, its actuation capabilities, known as SME, hasn’t been thoroughly expanded. The number of products privileging from SMA’s SME behavior has been very limited. The reason relies on the SMA’s complex material properties that depend on the stress, strain and temperature at every stage of actuation as well as the material’s processing and the thermomechanical loading history.
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Hajizadeh, Maryam, Farzan Ghalichi, Behnam Mirzakouchaki, and Shirin Shahrbaf. "Comparison of Stress Distribution Pattern in Orthodontic Bracket- Adhesive- Tooth System During Treatment Time and Debonding Stage." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82622.

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Fixed orthodontic treatment is based on effective bonding of bracket to enamel surface. During orthodontic therapy, load is applied on bracket slot by orthodontic wire, and then it is transferred to adhesive layer and enamel surface (state I). After the completion of treatment period, orthodontic brackets are debonded by load application on the incisal region of bracket-adhesive interface (state II). In order to compare the diversity in stress distribution pattern of these two states, micro CT images of maxillary premolar tooth and bracket were transformed to STL files and imported to Hypermesh software to create high quality 3D finite element models. Space between enamel and bracket was filled with orthodontic adhesive material which sets to 0.2 mm at thickest region. Mechanical property was assigned to each layer and appropriate boundary conditions were applied. By using a load distributing element RBE3, firstly 150 N shear load was applied on the bracket slot to simulate bracket-adhesive-tooth system of state I and secondly the same load was applied on the incisal area of bracket and bracket-adhesive bonding to simulate bracket-adhesive-tooth system of state II. Generated stresses on the bracket, the adhesive and the tooth in both systems were obtained and compared to each other. The Findings of this study, reveal that the effect of bonding loads was directly transform to the adhesive layer and the enamel surface; hence, treatment period would decrease. Alternatively, debonding loads would bring about higher stresses on the bracket and facilitate debonding action.
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Kondo, Mark, Kohei Soga, Kazuhiro Suga, Naoki Mikami, Wei-Jen Lai, Sunmin Kim, Ikuo Yonemitsu, Zuisei Kanno, Motohiro Uo, and Hiroshi Takemura. "Quantitative Evaluation by Orthodontic Moment Measurement Device: Comparative study of the two types of wire during orthodontic treatment." In 2021 6th International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS). IEEE, 2021. http://dx.doi.org/10.1109/iciibms52876.2021.9651578.

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Han, Liu, Jiang Jingang, Li Yanze, and Zhang Yongde. "Structural design and simulation analysis of an orthodontic wire bending robot." In 2023 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2023. http://dx.doi.org/10.1109/icma57826.2023.10215842.

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Shimoda, Kunio, Satoki Tsuichihara, Hiroshi Takemura, Kohei Soga, Kazuhiro Suga, Wei-Jen Lai, Sunmin Kim, Zuisei Kanno, and Motohiro Uo. "Orthodontic Force and Moment Sensing Device: Influence of Deflection of Wire and Tooth’s Orientation." In 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC). IEEE, 2019. http://dx.doi.org/10.1109/smc.2019.8914173.

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