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Thermo-mechanical properties in bending of a multizone nickel-titanium archwire: A retrieval analysis

Roulias P, Mylonopoulou IM, Sifakakis I, Bourauel C, Eliades T

Objective: This study aimed to compare the mechanical and thermal properties in the anterior and posterior segments of new and retrieved specimens of a commercially available multizone superelastic nickel-titanium (NiTi)...
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Efficacy of retreatment NiTi files for root canals filled with calcium silicate-based sealer

Hyun JY, Cho KM, Park SH, Lee Y, Lee YJ, Kim JW

Purpose: The efficacy of the amount of sealer in the root canal and two retreatment NiTi file systems in removing filling materials. Materials and Methods: Extracted premolars with a single root...
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Preparation and characterization of uniform NiTi-O nanotubes on NiTi alloy

Moon KS, Bae JM, Oh S, Choi EJ

This study aimed to optimize the cleaning process of the anodized specimens for fabricating clean NiTi-O nanotubes exhibiting visible light-mediated antibacterial activity at the surface of NiTi alloy. The cleaning...
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Minor Orthodontic Treatment Using NiTi Wire Exerting Light Force: Case Reports

An H, Kim S, Choi N

Minor orthodontic treatment using a thin wire with high elasticity can shorten the treatment period and reduce the load on the anchorage by the application of light force. Since it...
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Comparison of the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium rotary files at body temperature

Gündoğar M, Uslu G, Özyürek T, Plotino G

Objectives: This study aims to compare the cyclic fatigue resistance of VDW.ROTATE, TruNatomy, 2Shape, and HyFlex CM nickel-titanium (NiTi) rotary files at body temperature. Materials and Methods: In total, 80 VDW.ROTATE...
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Efficacy and Safety of a Newly Developed Self- Expanding Open-Cell Type Nitinol Stent for Peripheral Arteries: A Preclinical Study in Minipigs

Kim MU, Lee JH, Yoon CJ, Choi WS, Hur S, Chung JW

Purpose To evaluate the safety and efficacy of the newly designed open-cell type self-expandable nitinol stent (NiTi-stent) for peripheral arteries. Materials and Methods Twenty-eight limbs of 14 minipigs were randomly assigned...
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Influence of autoclave sterilization procedures on the cyclic fatigue resistance of heat-treated nickel-titanium instruments: a systematic review

Silva EJNL, Zanon M, Hecksher F, Belladonna FG, Vasconcelos RAd, Fidalgo TKdS

Objectives: This systematic review evaluated the influence of autoclave sterilization procedures on the cyclic fatigue resistance of heat-treated nickel-titanium (NiTi) instruments. Materials and Methods: A systematic search without restrictions was conducted...
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Effect of adaptive movement on durability and working time of twisted file

Lee SH, Park SR, Cho KM, Park SH, Kim JW

PURPOSE: Recently TF-adaptive movement is developed in order to increase the durability of TF files. The purpose of this study was to assess the effects of adaptive movement on durability...
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Evaluation of the alignment efficiency of nickel-titanium and copper-nickel-titanium archwires in patients undergoing orthodontic treatment over a 12-week period: A single-center, randomized controlled clinical trial

Aydın B, Şenışık NE, Koşkan O

OBJECTIVE: The aim of this trial was to compare the alignment efficiency and intermaxillary arch dimension changes of nickel-titanium (NiTi) or copper-nickel-titanium (CuNiTi) round archwires with increasing diameters applied sequentially...
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An in vitro evaluation of the accuracy of four electronic apex locators using stainless-steel and nickel-titanium hand files

Gehlot PM, Manjunath , Manjunath

OBJECTIVES: The purpose of this in vitro study was to evaluate the accuracy of working length (WL) determination of four electronic apex locators (EALs), namely, Root ZX (RZX), Elements diagnostic...
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Niti CAR 27 Versus a Conventional End-to-End Anastomosis Stapler in a Laparoscopic Anterior Resection for Sigmoid Colon Cancer

Kwag SJ, Kim JG, Kang WK, Lee JK, Oh ST

PURPOSE: The Niti CAR 27 (ColonRing) uses compression to create an anastomosis. This study aimed to investigate the safety and the effectiveness of the anastomosis created with the Niti CAR...
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A comparison of the shaping ability of reciprocating NiTi instruments in simulated curved canals

Yoo YS, Cho YB

  • KMID: 2316827
  • Restor Dent Endod.
  • 2012 Nov;37(4):220-227.
OBJECTIVES: The study was to compare the shaping ability of Reciproc (VDW) and WaveOne (Dentsply Maillefer) instruments compared with ProTaper, Profile and hand instrument during the preparation of simulated root...
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Mechanical and geometric features of endodontic instruments and its clinical effect

Kim HC

INTRODUCTION: The aim of this paper is to discuss the mechanical and geometric features of Nickel-titanium (NiTi) rotary files and its clinical effects. NiTi rotary files have been introduced to...
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Load-deflection characteristics and plastic deformation of NiTi closed coil springs

Son AY, Lim SH

  • KMID: 2400568
  • Korean J Orthod.
  • 2009 Oct;39(5):310-319.
OBJECTIVE: NiTi closed coil springs were reported to have relatively constant unloading forces. However, the characteristics of NiTi closed coil springs from various manufacturers have not been elucidated. The purpose...
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Three dimensional analysis of tooth movement using different sizes of NiTi wire on NiTi scissors-bite corrector

Jeon HJ, Park SH, Jung SH, Chun YS

OBJECTIVE: The purpose of this study was to compare the difference in three dimensional tooth movement using three different wire sizes (0.018 x 0.025-in, 0.016 x 0.022-in, 0.016-in) on a...
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Comparative analysis of various corrosive environmental conditions for NiTi rotary files

Yum JW, Park JK, Hur B, Kim HC

The aim of the present study is to compare the corrosion tendency using two kinds of NiTi files in the various environmental conditions through the visual examination and electrochemical analysis....
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Stress distribution of three NiTi rotary files under bending and torsional conditions using 3-dimensional finite element analysis

Kim TO, Lee CJ, Kim BM, Park JK, Hur B, Kim HC

Flexibility and fracture properties determine the performance of NiTi rotary instruments. The purpose of this study was to evaluate how geometrical differences between three NiTi instruments affect the deformation and...
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Efficacy of Niti-S ComVi Stents for Palliation of Malignant Gastrointestinal Obstruction

Kim SE, Moon JS, Lee JK, Huh JG, Lee JS, Jeong TY, Ryu SH, Lee JW, Kim YS

  • KMID: 1529328
  • Korean J Gastrointest Endosc.
  • 2007 Apr;34(4):185-192.
BACKGROUND/AIMS: Niti-S ComVi stents are flexible and retain the shape-memory of the original configuration. ComVi stents are effective in preventing tumor ingrowth because polytetrafluoroethylene is inserted between two stent wires....
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Comparison of screw-in effect of three NiTi file systems used by undergraduates

Oh SH, Park JK, Hur B, Kim HC

The purposes of this study were to compare the apical terminus width of simulated curved root canal prepared with three NiTi file systems used by undergraduates for evaluation the effects...
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Lifetime and fracture patterns of NiTi rotary files in molars

Kim JW, Ahn BD, Park SH, Shin HJ, Cho KM

Intracanal separation of the rotary files is a serious concern in modern endodontic practice. The objective of this study was to compare the life span and fracture patterns of three...
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