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Artykuły w czasopismach na temat „Nickel-titanium wire”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Chidambaram, S., M. Vijay, D. Praveen Kumar Varma, K. Baburam Reddy, D. Ravindranath, and M. Rajendra Prasad. "Comparison of Galvanic Corrosion Potential of Metal Injection Molded Brackets to that of Conventional Metal Brackets with Nickel-Titanium and Copper Nickel-Titanium Archwire Combinations." Journal of Contemporary Dental Practice 14, no. 3 (2013): 488–95. http://dx.doi.org/10.5005/jp-journals-10024-1350.

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ABSTRACT Aim The aim of the study is to investigate the galvanic corrosion potential of metal injection molding (MIM) brackets to that of conventional brackets under similar in vitro conditions with nickel-titanium and copper nickel-titanium archwires. Materials and methods Twenty-five maxillary premolar MIM stainless steel brackets and 25 conventional stainless steel brackets and archwires, 0.16 inch, each 10 mm length, 25 nickeltitanium wires, 25 copper nickel-titanium wires were used. They were divided into four groups which had five samples each. Combination of MIM bracket with copper nick

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Bolya, Piyush, Nibha Yadav, Vikas Goyal, Shuchi Singh, and Neha Ajmera. "Impact of recycling on efficiency and efficacy of copper nickel titanium wire and heat activated nickel titanium wire – An invitro study." Journal of Contemporary Orthodontics 8, no. 3 (2024): 294–300. http://dx.doi.org/10.18231/j.jco.2024.044.

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The aim of the study is to assess the feasibility of reusing copper nickel titanium wire and heat activated nickel titanium wires by evaluating the changes in efficiency and efficacy of wire after different sterilization techniques. 120 total samples were taken. 60 samples of Damon copper nickel titanium (ORMCOTM) and 60 samples of heat activated nickel titanium wires (ORMCOTM). Damon CuNiTi and HANT were divided in 4 different sub groups of 15 samples each. 15 as received wires served as controlled group. The remaining wires were placed intraorally for a period of 4 weeks in patients undergoi

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Pratomo, Harris Gadih, Endah Mardiati, Eky Soeria Soemantri, and Ida Ayu Evangelina. "Deflection test on different orthodontic wire materials sized 0.016 x 0.022 inches." Majalah Kedokteran Gigi Indonesia 4, no. 3 (2019): 142. http://dx.doi.org/10.22146/majkedgiind.31236.

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The development of technology in orthodontic field produces some orthodontic wires that have different deflection abilities. Loading force is the force needed to place an orthodontic wire in bracket slot (activation). Unloading force is the force produced by an orthodontic wire to move tooth (deactivation). Deflection test with three-point bending technique is a technique that is often used to determine the magnitude of the activation and deactivation force of orthodontic wire. Stainless steel (SS), nickel titanium (NiTi), copper nickel titanium (CuNiTi), and beta titanium (TMA), are the types

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Diva Gama Putri, Salsabila, Fajar Hamonangan Nasution, and Harris Gadih Pratomo. "Uji Three Point Bending Kawat Nikel Titanium Dimensi 0,010 x 0,030 Inci yang digunakan sebagai retainer." Jurnal Kedokteran Gigi Terpadu 6, no. 1 (2024): 143–46. http://dx.doi.org/10.25105/jkgt.v6i1.20970.

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Background: Fixed retainer are a practical retention method because they require minimal cooperation from the patient. Fixed reteiner are made from various types of wire, one of which is nickel titanium. However, when using a fixed retention device, several problems arise, such as fracture of the wire, loss of bond between the surface of the wire and composite, failure of attachment of the composite to the teeth, and unexpected tooth movement. Objective: To determine the shape memory and superelastic properties of nickel titanium wire with dimensions of 0.010 x 0.030 inches used as a retention

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5

Li, Haidong, and Tao Song. "Nickel–Titanium Wire as Suture Material." Journal of Craniofacial Surgery 29, no. 4 (2018): e343-e344. http://dx.doi.org/10.1097/scs.0000000000004270.

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Ali, Hashim. "Right wire in orthodontics: a review." Journal of Research in Dentistry 3, no. 3 (2015): 706. http://dx.doi.org/10.19177/jrd.v3e32015706-710.

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Quality of orthodontic wire such as stiffness, hardness, resiliency, elasticity and working range are important determinants of the effectivenes of tooth movement. Commonly used types of orthodontic arch wire:1) stainless steel(ss) wire, 2) conventional nickel- titanium (NiTi)alloy wire,3) improved super elastic NiTi- alloy wire( also called low hysteresis(LH)wire), and titanium molybdenum alloy(TMA) wire.

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O'Neill, Julian R. S. "Distal End Cutters—Efficiency, Safety and Design." British Journal of Orthodontics 23, no. 2 (1996): 172–76. http://dx.doi.org/10.1179/bjo.23.2.172.

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This investigation aimed to evaluate the efficiency of a range of different distal end cutters in cutting and holding the ends of orthodontic arch wires. Fourteen different types of distal end cutter were used to cut a range of orthodontic arch wires under standard conditions. The arch wires comprised nickel-titanium and stainless steel wires of different dimensions, as well as twist flex and coaxial wires. The number of times each wire was successfully cut and held by each cutter was recorded. Significant differences in performance between the cutters were noted, particularly in holding the c

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8

Suhartono, Budi, Moh Yusuf, Grahita Aditya, Erdianto Setya Wardhana, Eko Hadianto, and Fathimah Fitria Sa’adah. "Differences in Orthodontic Thermal Deflection of Nickel Titanium Wire in Artificial Saliva Soat And Isotonic Beverages." Odonto : Dental Journal 12, no. 1 (2025): 75. https://doi.org/10.30659/odj.12.1.75-83.

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Background: Deflection is one of the properties of the wire that can change if the environmental conditions in the oral cavity are acidic, caused by consuming isotonic drinks. This study aims to determine the difference in deflection of thermal nickel-titanium wire soaked in artificial saliva and isotonic drinks.Method: The type of research used was an in vitro experimental analytic study with a post-only control group design method. The sample used was 36 thermal nickel titanium wire (American Orthodontics) with a wire size of 0.016 inches and divided into 2 groups consisting of the artificia

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9

Tonni, I., L. Laffranchi, P. Fontana, F. Zotti, and S. Bonetti. "Nickel–titanium orthodontic wire and load deflection." Dental Materials 26 (January 2010): e83. http://dx.doi.org/10.1016/j.dental.2010.08.186.

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Ito, Arata, Hideki Kitaura, Haruki Sugisawa, Takahiro Noguchi, Fumitoshi Ohori, and Itaru Mizoguchi. "Titanium Nitride Plating Reduces Nickel Ion Release from Orthodontic Wire." Applied Sciences 11, no. 20 (2021): 9745. http://dx.doi.org/10.3390/app11209745.

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The leaching of metal ions from orthodontic appliances is a problem for their use in patients with metal allergies. Despite the development of a number of non-metal orthodontic appliances, including brackets, non-metal wires are not yet available. Therefore, it is necessary to modify the surfaces of orthodontic wires to prevent the leaching of metal ions into the oral environment for use in such patients. This study was performed to examine whether plating of orthodontic wire with titanium nitride (TiN), which does not impair its mechanical properties, could prevent the leaching of metal ions

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11

SHEN, Xiao, Xin-hua SUN, Hua TIAN, Chun-bo ZHANG, Kuo YAN, and Yong-liang GUO. "Mechanical properties of nickel-titanium archwire used in the final treatment phase of Tip-Edge Plus technique: an in vitro study." Chinese Medical Journal 126, no. 1 (2013): 135–39. http://dx.doi.org/10.3760/cma.j.issn.0366-6999.20120706.

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Background As the only active component in final treatment phase of Tip-Edge Plus technique, the activation of nickel-titanium orthodontic archwires is one of the factors that affect the torque expression. It is necessary to evaluate the mechanical properties of the nickel-titanium wire used in the final treatment phase in simulated oral environments to forecast the treatment outcomes. Methods The mechanical properties of 171 thermal nickel-titanium wires of 0.35 mm (0.014-in) in diameters with different deflection of 40 mm in length were investigated with three-point bending test. The samples

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12

Rongo, Roberto, Rosa Valletta, Rosaria Bucci, et al. "In vitro biocompatibility of nickel-titanium esthetic orthodontic archwires." Angle Orthodontist 86, no. 5 (2016): 789–95. http://dx.doi.org/10.2319/100415-663.1.

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ABSTRACT Objective: To investigate the cytotoxicity of nickel-titanium (NiTi) esthetic orthodontic archwires with different surface coatings. Materials and Methods: Three fully coated, tooth-colored NiTi wires (BioCosmetic, Titanol Cosmetic, EverWhite), two ion-implanted wires (TMA Purple, Sentalloy High Aesthetic), five uncoated NiTi wires (BioStarter, BioTorque, Titanol Superelastic, Memory Wire Superelastic, and Sentalloy), one β-titanium wire (TMA), and one stainless steel wire (Stainless Steel) were considered for this study. The wire samples were placed at 37°C in airtight test tubes con

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13

Pedullà, Eugenio, Francesco Saverio Canova, Giusy Rita Maria La Rosa, et al. "Influence of NiTi Wire Diameter on Cyclic and Torsional Fatigue Resistance of Different Heat-Treated Endodontic Instruments." Materials 15, no. 19 (2022): 6568. http://dx.doi.org/10.3390/ma15196568.

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We compared the mechanical properties of 2Shape mini TS2 (Micro-Mega, Besançon, France) obtained from 1.0 diameter nickel-titanium (NiTi) wires and 2Shape TS2 from 1.2 diameter nickel-titanium (NiTi) wires differently thermally treated at room and body temperature. We used 120 NiTi TS2 1.0 and TS2 1.2 files made from controlled memory (CM) wire and T-wire (n = 10). Cyclic fatigue resistance was tested by recording the number of cycles to fracture (NCF) at room and body temperatures using a customized testing device. Maximum torque and angle of rotation at failure were recorded, according to IS

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14

Mikulewicz, Marcin, Piotr Suski, Oskar Tokarczuk, Magdalena Warzyńska-Maciejewska, Paweł Pohl, and Beata Tokarczuk. "Metal Ion Release from Orthodontic Archwires: A Comparative Study of Biocompatibility and Corrosion Resistance." Molecules 29, no. 23 (2024): 5685. https://doi.org/10.3390/molecules29235685.

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This study investigates the release of metal ions from commonly used orthodontic archwires, specifically, stainless steel (SS), nickel–titanium (NiTi), chromium–cobalt (CrCo), and titanium–molybdenum (TMA) alloys. To simulate oral conditions, each type of wire was immersed in artificial saliva at body temperature for a four-week period. Ion release levels were analyzed through ICP-OES mass spectrometry. The findings indicate that NiTi and CrCo wires released significantly higher amounts of nickel (Ni) and chromium (Cr) ions compared to SS wires. These findings underscore the potential risk of

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15

Almeida, Layene, Alexandre Ribeiro, Renato Parsekian Martins, Rodrigo Viecilli, and Lídia Parsekian Martins. "Nickel titanium T-loop wire dimensions for en masse retraction." Angle Orthodontist 86, no. 5 (2016): 810–17. http://dx.doi.org/10.2319/070515-449.1.

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ABSTRACT Objective: To compare the force system produced by nickel-titanium T-loop springs made with wires of different dimensions. Material and Methods: Thirty compound T-loop springs were divided into three groups according to the dimensions of the nickel-titanium wire used for its design: 0.016” × 0.022”, 0.017” × 0.025”, and 0.018” × 0.025”. The loops were tested on the Orthodontic Force Tester machine at an interbracket distance of 23 mm and activated 9 mm. The force in the y-axis and the moment in the x-axis were registered while the calculated moment to force ratio was recorded at each

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Al-Khatieeb, Dr Mustafa M. "Influence of different recycling protocols on load deflection of nickel titanium orthodontic wire." Mustansiria Dental Journal 5, no. 1 (2018): 71–79. http://dx.doi.org/10.32828/mdj.v5i1.508.

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The purpose of this study was to investigate the changes in the load deflection of nickel titanium orthodontic wire after different recycling protocols. A spooled 0.014 inch nickel titanium wire was separated into 7 groups: as received condition (T0,control group),treated in artificial saliva for 4 weeks (T1), treated in artificial saliva and autoclaved (T2), treated in artificial saliva and dry heated (T3), treated in artificial saliva and disinfected by glutaraldehyde (T4), treated in artificial saliva and disinfected by iodophor (T5) and treated in artificial saliva and disinfected by chlor

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Hamdan, A. M., and W. P. Rock. "The Effects of Archwire Forces on Incisor Intrusion." British Journal of Orthodontics 22, no. 2 (1995): 155–60. http://dx.doi.org/10.1179/bjo.22.2.155.

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The forces exerted by archwires were measured in association with both Begg and Straight-Wire® attachments. Seven stainless steel and three nickel-titanium wires were tested at vertical deflections equivalent to 20, 30, and 40 degrees, these being incorporated via anchor bends or reverse curve of Spee as appropriate to each system. All seven brands of stainless steel arches demonstrated similar performance. An increase in archwire diameter from 0·016 to 0·018 inch increased intrusive forces by 64 per cent for stainless steel and 58 per cent for nickel-titanium. Increasing anchor bend or revers

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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 (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 methodo

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19

Takada, Megumi, Akira Nakajima, Shingo Kuroda, Shinya Horiuchi, Noriyoshi Shimizu, and Eiji Tanaka. "In vitro evaluation of frictional force of a novel elastic bendable orthodontic wire." Angle Orthodontist 88, no. 5 (2018): 602–10. http://dx.doi.org/10.2319/111417-779.1.

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ABSTRACT Objectives: To determine the frictional force (FF) of the novel, elastic, bendable titanium-niobium (Ti-Nb) alloy orthodontic wire in stainless steel (SS) brackets and to compare it with those of titanium-nickel (Ti-Ni) and titanium-molybdenum (Ti-Mo) alloy wires. Materials and Methods: Three sizes of Ti-Nb, Ti-Ni, and Ti-Mo alloy wires were ligated with elastic modules to 0.018-inch and 0.022-inch SS brackets. The dynamic FFs between the orthodontic wires and SS brackets were measured at three bracket-wire angles (0°, 5°, and 10°) with an Instron 5567 loading apparatus (Canton, Mass)

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20

Shim, Kyu-Sang, Soram Oh, KeeYeon Kum, Yu-Chan Kim, Kwang-Koo Jee, and Seok Woo Chang. "Mechanical and Metallurgical Properties of Various Nickel-Titanium Rotary Instruments." BioMed Research International 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/4528601.

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The aim of this study was to investigate the effect of thermomechanical treatment on mechanical and metallurgical properties of nickel-titanium (NiTi) rotary instruments. Eight kinds of NiTi rotary instruments with sizes of ISO #25 were selected: ProFile, K3, and One Shape for the conventional alloy; ProTaper NEXT, Reciproc, and WaveOne for the M-wire alloy; HyFlex CM for the controlled memory- (CM-) wire; and TF for the R-phase alloy. Torsional fracture and cyclic fatigue fracture tests were performed. Products underwent a differential scanning calorimetry (DSC) analysis. The CM-wire and R-ph

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Wichai, Wassana, Niwat Anuwongnukroh, and Surachai Dechkunakorn. "Comparison of Chemical Properties and Ni Release of Stainless Steel and Nickel Titanium Wires." Advanced Materials Research 884-885 (January 2014): 560–65. http://dx.doi.org/10.4028/www.scientific.net/amr.884-885.560.

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Objective: This study aimed to determine the composition and corrosion resistance of stainless steel and nickel titanium (NiTi) archwires and to compare Ni released from simulated standard fixed orthodontic appliances ligated with stainless steel and NiTi wires in artificial saliva at pH 5.14 and pH 6.69. in 4 weeks at 37oC. Materials and Method: Two commercial rectangular wires, 0.016 x 0.022 in size were studied, one Ormco stainless steel wire and another Ormco nickel titanium wire. Their composition was analyzed by an energy disporsive X-ray spectrometer (ESC) and their corrosion resistance

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Lubis, Hilda Fitria, Kholidina Imanda Harahap, and Nadia Tamari Lubis. "Differences in nickel ions released from nickel-titanium arch wire after immersion in detergent and non-detergent toothpaste." Majalah Kedokteran Gigi Indonesia 6, no. 2 (2021): 77. http://dx.doi.org/10.22146/majkedgiind.41564.

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Nickel-titanium (NiTi) arch wire has properties that favor its use during the leveling and aligning phase of orthodontic treatment. This NiTi orthodontic arch wire has the potential to experience nickel ion release. One factor that can cause the release of nickel ions is toothpaste. Nickel ions released can enter the body and cause carcinogenic, mutagenic, cytotoxic, and allergic effects. The purpose of this study was to see the differences of nickel ions released from NiTi orthodontic arch wire after immersion in detergent and non-detergent toothpaste. This was a laboratory experimental resea

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Andrade, Soares, Nobrega, Hilário, and Santos. "Characterization Techniques of a Shape Memory Nickel Titanium Alloy." Proceedings 38, no. 1 (2020): 15. http://dx.doi.org/10.3390/proceedings2019038015.

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This paper presents a characterization processes study of metallic alloys, more specifically the shape memory alloys (SMA) composed by Nickel and Titanium (NiTinol). Two different wire suppliers were studied, starting with metallographic analysis until observe the contours of the grain wires. Differential scanning calorimetry (DSC) test was also performed to obtain phase transformation temperatures of the NiTinol alloys. Finally, after several tensile tests, some results were obtained for stresses, strains, elasticity modules and maximum rupture deformation.

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Lopes, Hélio P., Thaiane Gambarra-Soares, Carlos N. Elias, et al. "Comparison of the Mechanical Properties of Rotary Instruments Made of Conventional Nickel-Titanium Wire, M-Wire, or Nickel-Titanium Alloy in R-Phase." Journal of Endodontics 39, no. 4 (2013): 516–20. http://dx.doi.org/10.1016/j.joen.2012.12.006.

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Du, Junliang, Juan Li, Rui Lv, and Xinzhen Du. "Controllable in situ growth of novel octahedral TiO₂ nanoparticles on nickel/titanium alloy fiber substrate for selective solid-phase microextraction of ultraviolet filters in water samples." RSC Advances 12, no. 19 (2022): 11933–41. http://dx.doi.org/10.1039/d2ra01031c.

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This work presents a facile strategy with in situ growth of TiO2 nanoparticles on nickel/titanium alloy wire through hydrothermal method for selective preconcentration and determination of UVFs in water.

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Karjalainen, T., H. Göransson, A. Viinikainen, T. Jämsä, and J. Ryhänen. "Nickel–titanium wire as a flexor tendon suture material: an ex vivo study." Journal of Hand Surgery (European Volume) 35, no. 6 (2010): 469–74. http://dx.doi.org/10.1177/1753193409347421.

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Nickel–titanium shape memory alloy (NiTi) is a new suture material that is easy to handle, is strong, and biocompatible. The purpose of this study was to evaluate the material properties and biomechanical behaviour of 150 µm and 200 µm NiTi wires in flexor tendon repair. Braided polyester (4-0 Ethibond®) was used as control. Fifty fresh-frozen porcine flexor tendons were repaired using the Pennington modification of the Kessler repair or a double Kessler technique. NiTi wires were stiffer and reached higher tensile strength compared to braided polyester suture. Repairs with 200 µm NiTi wire ha

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Okada, Kaai, Yuta Suzuki, and Takuya Goto. "Formation of Titanium Oxide on Nonmetal Substrates and the Coordination Structure of Titanium Ions in Molten Lif-KF." ECS Meeting Abstracts MA2022-01, no. 23 (2022): 1150. http://dx.doi.org/10.1149/ma2022-01231150mtgabs.

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Electrodeposition of titanium materials on substrates is an important technique to improve and functionalize the surface properties. Especially electrodeposition of titanium and titanium oxide on a material that is an insulator. However, electrodeposition of an insulator on another insulator is considered to be difficult. If such deposition can be accomplished, it would have a variety of practical applications in both mechanical and electronic industries. We are thus proposing a new method for electrodeposition of titanium oxide on alumina substrates in LiF-KF with the addition of TiO2 and met

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Suzuki, Akihiro, Hiroyasu Kanetaka, Yoshinaka Shimizu, et al. "Orthodontic Buccal Tooth Movement by Nickel-Free Titanium-Based Shape Memory and Superelastic Alloy Wire." Angle Orthodontist 76, no. 6 (2006): 1041–46. http://dx.doi.org/10.2319/083105-306.

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Abstract Objective: To examine the mechanical properties and the usefulness of titanium-niobium-aluminum (Ti-Nb-Al) wire in orthodontic tooth movement as compared with nickel-titanium (Ni-Ti) wire. Materials and Methods: The load deflection of expansion springs was gauged with an original jig. The gradient of the superelastic region was measured during the unloading process. Expansion springs comprising the two types of alloy wires were applied to upper first molars of rats. The distance between the first molars was measured with micrometer calipers. Results: The force magnitude of the Ti-Nb-A

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YU, JIAN-HONG, HENG-LI HUANG, LI-CHUN WU, et al. "FRICTION OF STAINLESS STEEL, NICKEL-TITANIUM ALLOY, AND BETA-TITANIUM ALLOY ARCHWIRES IN TWO COMMONLY USED ORTHODONTIC BRACKETS." Journal of Mechanics in Medicine and Biology 11, no. 04 (2011): 917–28. http://dx.doi.org/10.1142/s0219519411004149.

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In orthodontic treatment, the efficiency of tooth movement is affected by the frictional force between the archwire and bracket slot. This study evaluated the static and kinetic frictional forces produced in different combinations of orthodontic archwires and brackets. Three types of archwires [stainless steel, nickel-titanium (NiTi) alloy, and beta-titanium (TMA) alloy] and two types of brackets (stainless steel and self-ligating) were tested. Both static and kinetic frictional forces of each archwire–bracket combination were measured 25 times using a custom-designed apparatus. The surface to

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Shen, Ya, Wei Qian, Houman Abtin, Yuan Gao, and Markus Haapasalo. "Fatigue Testing of Controlled Memory Wire Nickel-Titanium Rotary Instruments." Journal of Endodontics 37, no. 7 (2011): 997–1001. http://dx.doi.org/10.1016/j.joen.2011.03.023.

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Shen, Ya, Hui-min Zhou, Yu-feng Zheng, Les Campbell, Bin Peng, and Markus Haapasalo. "Metallurgical Characterization of Controlled Memory Wire Nickel-Titanium Rotary Instruments." Journal of Endodontics 37, no. 11 (2011): 1566–71. http://dx.doi.org/10.1016/j.joen.2011.08.005.

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Takeda, Masanori, Minoru Hashimoto, and Kimiko Sato. "A new displacement sensor using pseudoelastic titanium-nickel alloy wire." Journal of Robotic Systems 3, no. 4 (1986): 441–50. http://dx.doi.org/10.1002/rob.4620030408.

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Lin, Li, G. Fräns Currier, Onur Kadioglu, Fernando L. Esteban Florez, David M. Thompson, and Sharukh S. Khajotia. "Flexural properties of rectangular nickel-titanium orthodontic wires when used as ribbon archwires." Angle Orthodontist 89, no. 1 (2018): 54–63. http://dx.doi.org/10.2319/021717-118.1.

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ABSTRACT Objective: To compare the flexural properties of rectangular nickel-titanium (Ni-Ti) orthodontic wires in occlusoapical and faciolingual orientations using a standardized test method. Materials and Methods: Twenty-two rectangular Ni-Ti wire groups were tested in occlusoapical (ribbon) orientation: eight conventional Ni-Ti products, five superelastic Ni-Ti products, and nine thermal Ni-Ti products (n = 10 per group). Six products of thermal Ni-Ti wire were tested in faciolingual (edgewise) orientation. A three-point bending test was performed to measure deactivation force at 3.0-, 2.0-

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Singh, Vinit, Swati Acharya, Satyabrata Patnaik, and Smruti Bhusan Nanda. "Comparative Evaluation of Frictional forces between different Archwire-bracket Combinations." Orthodontic Journal of Nepal 4, no. 1 (2014): 22–28. http://dx.doi.org/10.3126/ojn.v4i1.11307.

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Introduction: During sliding mechanics, frictional resistance is an important counterforce to orthodontic tooth movement; whichmust be controlled to allow application of light continuous forces.Objective: To investigate static and kinetic frictional resistance between three orthodontic brackets: ceramic, self-ligating, andstainless steel, and three 0.019×0.025” archwires: stainless steel, nickel-titanium, titanium-molybdenum.Materials & Method: The in vitro study compared the effects of stainless steel, nickel-titanium, and beta-titanium archwires onfrictional forces of three orthodontic b

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Wieczorek, Bartosz, Mateusz Kukla, Łukasz Warguła, Konrad J. Waluś, and Klaudia Wiesner. "Smart materials activation analysis on example of nickel and titanium alloys." MATEC Web of Conferences 157 (2018): 07015. http://dx.doi.org/10.1051/matecconf/201815707015.

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This paper is focused on research concerning activation time of elements made of Ni-Ti alloy (55/45% vol.) The activation time is a period of time required for alloy to reach it’s austenitic transformation (Af) temperature. For examined wire it reached values up to 60 °C. Heating of NiTi wire was conducted by retaining heat. In this paper the influence of wire length and electric current power on heating time is presented. This research allows to determine the correlation between the increase of temperature and time. For given electric current values. This data is useful for effective design o

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Bhat, Faiz Ahmad, Nandish Shetty, Faizan Ahmad Khan, Muraleedhara Bhat, and Akhter Husain. "Comparative Evaluation of Load-deflection Property of Different Brands of Nickel-titanium Archwires." APOS Trends in Orthodontics 8 (June 1, 2018): 92–95. http://dx.doi.org/10.4103/apos.apos_32_18.

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Context The tooth alignment and leveling constitute the preliminary clinical phase of any orthodontic procedure with fixed appliances. It has been accepted in orthodontics the principle that light and continuous forces would be desirable for physiologic and controlled tooth movement. For this purpose, it has been suggested that nickel-titanium (NiTi) archwires which offer a force-bending curve with a defined baseline and a larger activation range should be used Aims The aim of this study was to evaluate and compare the force versus deflection properties of different brands of NiTi wires availa

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Kong, Huafu, James L. Wilkinson, James Y. Coe, et al. "Corrosive behaviour of Amplatzer® devices in experimental and biological environments." Cardiology in the Young 12, no. 3 (2002): 260–65. http://dx.doi.org/10.1017/s1047951102000562.

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Purpose: Nitinol, a nickel-titanium alloy, is a valuable material in the construction of interventional endoluminal devices because of its biocompatibility, super elasticity, high resiliency and shape memory. The possibility of nickel toxicity has been raised with devices constructed of Nitinol. Our investigation examines the long-term corrosive behavior of this alloy in experimental and biological environments. Methods: We performed three levels of study. Microscopic examination was made of 64 devices of various sizes, randomly selected from 240 Amplatzer® Septal Occluders that had been expos

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Krishnan, Manu, Saraswathy Seema, A. Vinod Kumar, et al. "Corrosion resistance of surface modified nickel titanium archwires." Angle Orthodontist 84, no. 2 (2013): 358–67. http://dx.doi.org/10.2319/021813-140.1.

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ABSTRACT Objective: To compare the corrosion behavior of commercially available surface modified nickel titanium (NiTi) arch wires with respect to a conventional NiTi and to evaluate its association with surface characteristics. Materials and Methods: Five types of surface modified arch wires and a conventional NiTi arch wire, all from different manufacturers, were evaluated for their corrosion resistance from breakdown potential in an anodic polarization scan in Ringer's solution. Surface characteristics were determined from scanning electron microscopy, atomic force microscopy, and energy di

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Crotty, O. P., E. H. Davies, and S. P. Jones. "The Effects of Cross-infection Control Procedures on the Tensile and Flextural Properties of Superelastic Nickel-titanium Wires." British Journal of Orthodontics 23, no. 1 (1996): 37–41. http://dx.doi.org/10.1179/bjo.23.1.37.

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The development of Superelastic nickel-titanium archwires has simplified the alignment phase of orthodontic treatment by permitting the use of highly flexible, resilient archwires and avoiding the need for complex loops. The majority of relatively high cost has led to sterilization and recycling of these wires by some clinicians. This study way designed to examine the effects of currently used infection contorl procedures on the mechanical properties of superelastic nickel-titanium alloy (SENTA®) archwires. One-hundred-and-forty lengths of a SENTA® wire were subjected to various sterilization

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Albuquerque, Cibele Gonçalves de, Américo Bortolazzo Correr, Giovana Cherubini Venezian, Milton Santamaria Jr, Carlos Alberto Tubel, and Silvia Amélia Scudeler Vedovello. "Deflection and Flexural Strength Effects on the Roughness of Aesthetic-Coated Orthodontic Wires." Brazilian Dental Journal 28, no. 1 (2017): 40–45. http://dx.doi.org/10.1590/0103-6440201700630.

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Abstract The aim was to evaluate the flexural strength and the effects of deflection on the surface roughness of esthetic orthodontic wires. The sample consisted of 70 archwire 0.014-inch: polytetrafluorethylene (PTFE)-coated Nickel-Titanium (Niti) archwires (Titanol Cosmetic-TC, Flexy Super Elastic Esthetic-FSE, esthetic Nickel Titanium Wire-ANT); epoxy resin-coated Niti archwires (Spectra-S, Niticosmetic-TEC); gold and rhodium coated Niti (Sentalloy-STC) and a control group (superelastic Niti (Nitinol-NS). The initial roughness was evaluated with a rugosimeter. After that, the wires were sub

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More, Prof Narayan D. "Performance Analysis of Cooling Device Made by Nickel-Titanium Memory Wire." International Journal for Research in Applied Science and Engineering Technology 9, no. 5 (2021): 1147–51. http://dx.doi.org/10.22214/ijraset.2021.34247.

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Brantley, William A., Masahiro Iijima, and Thomas H. Grentzer. "Temperature-modulated DSC provides new insight about nickel-titanium wire transformations." American Journal of Orthodontics and Dentofacial Orthopedics 124, no. 4 (2003): 387–94. http://dx.doi.org/10.1016/s0889-5406(03)00570-5.

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MANJAIAH, M., S. NARENDRANATH, S. BASAVARAJAPPA, and V. N. GAITONDE. "Wire electric discharge machining characteristics of titanium nickel shape memory alloy." Transactions of Nonferrous Metals Society of China 24, no. 10 (2014): 3201–9. http://dx.doi.org/10.1016/s1003-6326(14)63461-0.

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Oerbandono, Tjuk, and Hari Budiarto. "Response of Grip Force as Effect of Electrics Power Input at Gripper Actuator of NiTi SM495 Wire." Applied Mechanics and Materials 493 (January 2014): 564–69. http://dx.doi.org/10.4028/www.scientific.net/amm.493.564.

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Gripper is mechanism that mounted on the end of the robot arm and used to hold an object and move it to a certain position. Generally, classical gripper is equipped with the driving motor (electric, pneumatic, fluid power) to move the gripper mechanism. In this research, the function of driving motor replaced with gripper motor actuators made of Shape Memory Alloys (SMA) of Nickel Titanium (NiTi) wire type SM495. Problem studied is response of grip force of gripper to varied electrics power input that given to the actuator of gripper made of NiTi SM495 wire. This is a real experimental researc

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Ali Mohammed, Mohanad, and Alan Issa Saleem. "The Effects of Air Abrasive Polishing on the Release of Iron Ions from Various Orthodontic Arch Wires (Stainless Steel and Nickel Titanium)." Tikrit Journal for Dental Sciences 12, no. 1 (2024): 196–207. http://dx.doi.org/10.25130/tjds.12.1.22.

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Orthodontic treatment with has been increasingly demanded. However, when using fixed appliances for orthodontic treatment, oral hygiene is compromised, and there is a higher chance of developing dental stains, plaque-related diseases, and corrosion-related problems. Air abrasive polishing had a superior effect over the conventional method in removing dental deposits, however, its effect on corrosion process was not investigated thoroughly in details. This study designed to assess the effects of air polishing onion release and surface micromorphology of stainless steel and Nickel titanium arch

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Wichelhaus, Andrea. "A new elastic slot system and V-wire mechanics." Angle Orthodontist 87, no. 5 (2017): 774–81. http://dx.doi.org/10.2319/121516-899.

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ABSTRACT Objective: To biomechanically test a new elastic slot system and V-wire mechanics. Materials and Methods: Conventional twin and self-ligating brackets and the new elastodynamic bracket were biomechanically tested. The conventional brackets had a rectangular 0.022′′ slot and the new elastodynamic bracket had a V-slot, a new slot geometry. Torque measurements were performed with 0.018′′ × 0.025′′ and 0.019′′ × 0.025′′ stainless steel (ss) archwires. A nickel-titanium V wire was used for the biomechanical measurements on the elastodynamic bracket. The measurements were done with the aid

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Silva, Marcelo Faria da, Célia Regina Maia Pinzan-Vercelino, and Júlio de Araújo Gurgel. "The influence of distal-end heat treatment on deflection of nickel-titanium archwire." Dental Press Journal of Orthodontics 21, no. 1 (2016): 83–88. http://dx.doi.org/10.1590/2177-6709.21.1.083-088.oar.

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Objective: The aim of this in vitro study was to evaluate the deflection-force behavior of nickel-titanium (NiTi) orthodontic wires adjacent to the portion submitted to heat treatment. Material and Methods: A total of 106 segments of NiTi wires (0.019 x 0.025-in) and heat-activated NiTi wires (0.016 x 0.022-in) from four commercial brands were tested. The segments were obtained from 80 archwires. For the experimental group, the distal portion of each segmented archwire was subjected to heat treatment (n = 40), while the other distal portion of the same archwire was used as a heating-free contr

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Schmeidl, Krzysztof, Michal Wieczorowski, Katarzyna Grocholewicz, Michal Mendak, and Joanna Janiszewska-Olszowska. "Frictional Properties of the TiNbTaZrO Orthodontic Wire—A Laboratory Comparison to Popular Archwires." Materials 14, no. 21 (2021): 6233. http://dx.doi.org/10.3390/ma14216233.

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Background. This study aimed to determine the kinetic frictional force (FF) of the recently produced TiNbTaZrO (Gummetal) orthodontic wire and compare it to the widely used wires of stainless steel (SS), nickel-titanium (NiTi), cobalt-chromium (CoCr) and titanium-molybdenum (TiMo) alloys. Methods. Five types of 0.016″ × 0.022″ wires were ligated with elastic ligatures to 0.018″ × 0.025″ SS brackets. The dynamic FFs between the brackets and ligated wires were measured utilizing a specialized tensile tester machine. Prior sample sizes for different archwires were conducted using power analysis f

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A.S., Patil, Gera M., Sharma S., Hemgude P.D., and Sabane A. "Mechanical properties of aesthetic nickel-titanium wires before and after clinical use." Clinical Dentistry (Russia) 27, no. 3 (2024): 114–17. http://dx.doi.org/10.37988/1811-153x_2024_3_114.

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The objective of the study was to compare the mechanical properties of aesthetic orthodontic Ni-Ti wires before and after clinical use. . The experimental group consisted of 75 0.014" coated Ni-Ti wires — 15 from each of the 5 companies selected, namely Group I — D-tec, Group II — JJ Orthodontics, Group III — OSL, Group IV — American Orthodontics, and Group V — Koden. The control group consisted of two groups with 25 coated 0.014" Ni-Ti, 5 from each company (without clinical use) and 25 non-coated 0.014" Ni-Ti 5 from each company (without clinical use). The experimental wires were retrieved fr

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Saoji, Shraddha, Siddharth Mehta, and Kamal Bajaj. "Modified tucker: Simplifying your orthodontic practice." Journal of Contemporary Orthodontics 8, no. 2 (2024): 245–47. http://dx.doi.org/10.18231/j.jco.2024.036.

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Orthodontic treatment often involves the use of nickel-titanium (NiTi) wires for initial leveling and alignment of teeth due to their unique properties. However, engaging these wires into bracket slots, especially in crowded or rotated teeth can be challenging. This article presents the development of a custom-made wire tucker aimed at simplifying the engagement process, reducing operator effort, and maintaining sterility in orthodontic procedures. The design, advantages, and practical applications of this modified instrument are discussed, highlighting its potential to enhance clinical effici

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